Who's 9" is the best deal ?
#1
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Who's 9" is the best deal ?
Looking for an axle package. I have a third member. Who's 9" is the best deal ? Quick? Moser ?
#2
Re: Who's 9" is the best deal ?
Quick seems the best budget/value i think. One buddy has their housing and liked it. Cars been 4.50’s. They have their own brand axles i guess or a moser upgrade for cost adder.
i went midwest chassis, fabricated housing, which doesnt like moser axles lol they use strange. I dont see a problem with them but i guess something about the overall machining quality? They are abit more pricey but very nice. Comes with its own torque arm system where you weld in a crossmember so you need subframes installed
moser street 9” are stupid heavy. Id pay for the fab housing imo
i went midwest chassis, fabricated housing, which doesnt like moser axles lol they use strange. I dont see a problem with them but i guess something about the overall machining quality? They are abit more pricey but very nice. Comes with its own torque arm system where you weld in a crossmember so you need subframes installed
moser street 9” are stupid heavy. Id pay for the fab housing imo
#4
Senior Member
Re: Who's 9" is the best deal ?
Midwest Chassis. They hold their value a lot better than any of the other units out there. If you ever decided to sell it you could get most of if not all of your money back. The torque arm has tons of clearance and makes setting pinion angle as easy as twisting your wrist.
I had a quick performance 9 and honestly it fit like ****. The funky torque arm bracket was a joke and hit the floor.
I had a quick performance 9 and honestly it fit like ****. The funky torque arm bracket was a joke and hit the floor.
#5
Senior Member
Re: Who's 9" is the best deal ?
I have a full moser setup in my car. It was a pretty simple setup and complete. It's been pretty well abused and held up great. Its torque arm mount needed a little clearancing on the floor in one small spot. My car is lowered 1.5-2in. If it was higher I think it would not have been an issue. They're may have been less expensive ways to go about it but I'm happy w it
#6
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Thank you for the replies. The Midwest looks interesting. Any photos of that torque arm bar in the vehicle? curious where it lands.
Anyone have any photos of the Quick ? The ones on the website are terrible. Curious how the torque arm mount is set up. I currently have a jegster torque arm in the car. Always liked it.
-- Joe
Anyone have any photos of the Quick ? The ones on the website are terrible. Curious how the torque arm mount is set up. I currently have a jegster torque arm in the car. Always liked it.
-- Joe
#7
Senior Member
Re: Who's 9" is the best deal ?
Thank you for the replies. The Midwest looks interesting. Any photos of that torque arm bar in the vehicle? curious where it lands.
Anyone have any photos of the Quick ? The ones on the website are terrible. Curious how the torque arm mount is set up. I currently have a jegster torque arm in the car. Always liked it.
-- Joe
Anyone have any photos of the Quick ? The ones on the website are terrible. Curious how the torque arm mount is set up. I currently have a jegster torque arm in the car. Always liked it.
-- Joe
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#8
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
I have a single 3.5" exhaust in the stock routing. Would that be a problem getting over or under it?
#9
Senior Member
Re: Who's 9" is the best deal ?
#10
Re: Who's 9" is the best deal ?
i still have my spohn crossmember that i want to junk and make my own lighter mount.
But thats where my midwest went
But thats where my midwest went
#11
Senior Member
Re: Who's 9" is the best deal ?
#12
Junior Member
Re: Who's 9" is the best deal ?
I have personally owned Moser, Quick Performance, Midwest Chassis and Racecraft. My Quick Performance housing bent 3/16 of an inch in 2 years and the torque arm mount failed. I tried to buy a torque arm mount to replace it and they refused to sell me one. The Moser was just fine with the exception of the splines on the axles chipping (but to be fair I was 650hp and 3700lbs on 31 spline axles) but it was definitely heavy. Midwest Chassis and Racecraft are both works of art. Midwest is the best bang for the buck IMO.
Last edited by B4CYA; 01-16-2024 at 09:12 AM.
#13
Senior Member
Re: Who's 9" is the best deal ?
I have personally owned Moser, Quick Performance, Midwest Chassis and Racecraft. My Quick Performance housing bent 3/16 of an inch in 2 years and the torque arm mount failed. I tried to buy a torque arm mount to replace it and they refused to sell me one. The Moser was just fine but heavy. Midwest Chassis and Racecraft are both works of art. Midwest is the best bang for the buck IMO.
#14
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#16
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Re: Who's 9" is the best deal ?
I have personally owned Moser, Quick Performance, Midwest Chassis and Racecraft. My Quick Performance housing bent 3/16 of an inch in 2 years and the torque arm mount failed. I tried to buy a torque arm mount to replace it and they refused to sell me one. The Moser was just fine with the exception of the splines on the axles chipping (but to be fair I was 650hp and 3700lbs on 31 spline axles) but it was definitely heavy. Midwest Chassis and Racecraft are both works of art. Midwest is the best bang for the buck IMO.
#17
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
For context, I've had a built 10 bolt for a decade and my supercharger made over 600 crank hp. My new turbo setup should make around 800.
10 bolt is still going strong but I was thinking of putting it in my 4th gen formula as that car has a 2.73.
#18
Re: Who's 9" is the best deal ?
I have personally owned Moser, Quick Performance, Midwest Chassis and Racecraft. My Quick Performance housing bent 3/16 of an inch in 2 years and the torque arm mount failed. I tried to buy a torque arm mount to replace it and they refused to sell me one. The Moser was just fine with the exception of the splines on the axles chipping (but to be fair I was 650hp and 3700lbs on 31 spline axles) but it was definitely heavy. Midwest Chassis and Racecraft are both works of art. Midwest is the best bang for the buck IMO.
#19
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Now I go to the track and I see fwd imports running 9s.
I'm not sure yet whether or not I'm going to run slicks on this car, I think even with a TKX transmission it might break stuff. Was thinking maybe just some drag radials and spinning out of the gate.
#20
Supreme Member
Re: Who's 9" is the best deal ?
#21
Supreme Member
#22
Re: Who's 9" is the best deal ?
i like their setup too just wish it was a bit shorter to help hit the rear harder. The geometry with the long arm, lca angles and ride height doesnt seem to have alot of antisquat and separation for me.
my buddy for some reason says he bent the older midwest torque arm but i make more power and heavier than he is, and havent hurt mine yet
my buddy for some reason says he bent the older midwest torque arm but i make more power and heavier than he is, and havent hurt mine yet
#23
Re: Who's 9" is the best deal ?
Jesus Christ. I remember when I first started going to the track 30 years ago, 12 second quarter miles were considered fast. The first time I broke into 120mph I was impressed.
Now I go to the track and I see fwd imports running 9s.
I'm not sure yet whether or not I'm going to run slicks on this car, I think even with a TKX transmission it might break stuff. Was thinking maybe just some drag radials and spinning out of the gate.
Now I go to the track and I see fwd imports running 9s.
I'm not sure yet whether or not I'm going to run slicks on this car, I think even with a TKX transmission it might break stuff. Was thinking maybe just some drag radials and spinning out of the gate.
The whole stock ls long block stuff with china turbo is so cheap and easy now for 8-9 sec cars anymore
#24
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Re: Who's 9" is the best deal ?
#25
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Who's 9" is the best deal ?
Anticipating a possible flex point and knowing never going back to stock , I cut and welded the Spohn TA adapter direct to the QP adapter eliminating the bolts.
(Only used the adapter because I had it , would have been easy enough to fab the required mounts for the rose joints as shown )
Out of the box
Modified bracket
#26
Senior Member
Re: Who's 9" is the best deal ?
Joe , as requested
Anticipating a possible flex point and knowing never going back to stock , I cut and welded the Spohn TA adapter direct to the QP adapter eliminating the bolts.
(Only used the adapter because I had it , would have been easy enough to fab the required mounts for the rose joints as shown )
Out of the box
Modified bracket
Anticipating a possible flex point and knowing never going back to stock , I cut and welded the Spohn TA adapter direct to the QP adapter eliminating the bolts.
(Only used the adapter because I had it , would have been easy enough to fab the required mounts for the rose joints as shown )
Out of the box
Modified bracket
#27
Re: Who's 9" is the best deal ?
Originally Posted by thatsupnow
The way you've got that bracket modified is the way it should have been built by QP
#28
Senior Member
Re: Who's 9" is the best deal ?
Yea I get that too and maybe they work great with a stock TA but using that bracket with any other arm is asking for problems. I think I tried 3 different brand TA's when I had mine for that very short period. Only way I could get it to fit was to move the whole rear end way over towards the passenger side or cut the floor to make it fit better. Decided to sell it off and go Midwest
#29
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79 Posts
From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Joe , as requested
Anticipating a possible flex point and knowing never going back to stock , I cut and welded the Spohn TA adapter direct to the QP adapter eliminating the bolts.
(Only used the adapter because I had it , would have been easy enough to fab the required mounts for the rose joints as shown )
Out of the box
Modified bracket
Anticipating a possible flex point and knowing never going back to stock , I cut and welded the Spohn TA adapter direct to the QP adapter eliminating the bolts.
(Only used the adapter because I had it , would have been easy enough to fab the required mounts for the rose joints as shown )
Out of the box
Modified bracket
So .. This torque arm has me puzzled. I have a jegster tunnel mount torque arm in the car right now, but I've always been annoyed by the clunk, and it transmits a ton of gear noise through the floor.
So I was looking at your modification, and thinking maybe something like that along with going back to a longer torque arm. I noticed something about the UMI style crossmember:
So the mount for the front of the crossmember is adjustable up or down to set the pinion angle (via multiple holes). It has me wondering if that's a more reliable design than using the heim joints for pinion angle.
Then it had me thinking further, would I even need the heim joints in the back or should those be welded to just be bolt eyelets?
I have a non-adjustable Spohn torque arm in the shop, with the round end. I could weld it to the QP adapter and then buy or make a crossmember with an adjustable torque arm mount. The only issue I might run into, is my MAC subframe connectors might be in the way of the large mounting surface of the UMI/Hawks/whomever torque arm:
I suppose I could just trim it as needed.
#30
Senior Member
Re: Who's 9" is the best deal ?
I bought the Quick Fab9 housing. Should be here tomorrow. Axles showed up a few days ago.
So .. This torque arm has me puzzled. I have a jegster tunnel mount torque arm in the car right now, but I've always been annoyed by the clunk, and it transmits a ton of gear noise through the floor.
So I was looking at your modification, and thinking maybe something like that along with going back to a longer torque arm. I noticed something about the UMI style crossmember:
So the mount for the front of the crossmember is adjustable up or down to set the pinion angle (via multiple holes). It has me wondering if that's a more reliable design than using the heim joints for pinion angle.
Then it had me thinking further, would I even need the heim joints in the back or should those be welded to just be bolt eyelets?
I have a non-adjustable Spohn torque arm in the shop, with the round end. I could weld it to the QP adapter and then buy or make a crossmember with an adjustable torque arm mount. The only issue I might run into, is my MAC subframe connectors might be in the way of the large mounting surface of the UMI/Hawks/whomever torque arm:
I suppose I could just trim it as needed.
So .. This torque arm has me puzzled. I have a jegster tunnel mount torque arm in the car right now, but I've always been annoyed by the clunk, and it transmits a ton of gear noise through the floor.
So I was looking at your modification, and thinking maybe something like that along with going back to a longer torque arm. I noticed something about the UMI style crossmember:
So the mount for the front of the crossmember is adjustable up or down to set the pinion angle (via multiple holes). It has me wondering if that's a more reliable design than using the heim joints for pinion angle.
Then it had me thinking further, would I even need the heim joints in the back or should those be welded to just be bolt eyelets?
I have a non-adjustable Spohn torque arm in the shop, with the round end. I could weld it to the QP adapter and then buy or make a crossmember with an adjustable torque arm mount. The only issue I might run into, is my MAC subframe connectors might be in the way of the large mounting surface of the UMI/Hawks/whomever torque arm:
I suppose I could just trim it as needed.
#32
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79 Posts
From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Housing showed up. No provision for torque arm mounts because I wanted a clean slate. The location they put them in is too far towards the passenger side to run a straight arm (better for their adapter which everyone complains about) so. I think I'm going to modify this UMI torque arm I have and ad some bushed rod ends and weld some mounting tabs to the housing so it's straight. Then I need a clamshell mount somewhere up front.
#33
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
So.. After lots of reading and thinking, I ended up ordering a Trick chassis TA mount. So, I probably should have just ordered the housing/axles from Trick instead of Quick. I like the design of their mount better, and while it's a bit heavier than the Quick adapter I think it will be better for what I'm doing.
I ordered a UMI torque crossmember with the TA mount on the crossmember. Hopefully there will be enough adjustability for the TA to set the pinion angle reasonably.
I ordered a UMI torque crossmember with the TA mount on the crossmember. Hopefully there will be enough adjustability for the TA to set the pinion angle reasonably.
#34
Senior Member
Re: Who's 9" is the best deal ?
So.. After lots of reading and thinking, I ended up ordering a Trick chassis TA mount. So, I probably should have just ordered the housing/axles from Trick instead of Quick. I like the design of their mount better, and while it's a bit heavier than the Quick adapter I think it will be better for what I'm doing.
I ordered a UMI torque crossmember with the TA mount on the crossmember. Hopefully there will be enough adjustability for the TA to set the pinion angle reasonably.
I ordered a UMI torque crossmember with the TA mount on the crossmember. Hopefully there will be enough adjustability for the TA to set the pinion angle reasonably.
I prefer the Midwest Chassis 2 piece arm that attaches to the top and bottom of the housing and only needs to twist the upper tube to make adjustments a breeze
#35
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
The housings themselves look fairly close to each other. The TA mount should go on nice and easy. When you put your crossmember on have your TA fully in so you get maximum adjustment for your pinion angle.
I prefer the Midwest Chassis 2 piece arm that attaches to the top and bottom of the housing and only needs to twist the upper tube to make adjustments a breeze
I prefer the Midwest Chassis 2 piece arm that attaches to the top and bottom of the housing and only needs to twist the upper tube to make adjustments a breeze
I came to the conclusion that I'm going to try this Trick TA adapter/mount, welding the tube nuts to the 9", and I'll stick the UMI torque on on it as is. IF I can't get the pinion angle set the way I need to by moving the front of the TA up and down, I'm going to cut the back of the TA off and weld some dom tubing and adjusters. I have some 1/2" plate in the shop I can plasma cut and drill to the same 3 bolt pattern, and weld some chassis tabs on it to accept the heim adjusters, so it will adjust the same way.
I like the idea of the 3 welded points on the actual 9" housing vs the two point chassis tabs that Quick/Midwest run. I'm not sure WHY I don't like it, I just don't.
I have my third member apart on the bench right now. The ring gear had some nasty pits so I bought some new motive gears. The yoke had a lip cut in it from the seal, so I ordered a new yoke. So basically, I'm using a 45 year old case and pinion support and new tru-trak, gears, bearings, seals, yoke. This is getting expensive!
-- Joe
#36
Senior Member
Re: Who's 9" is the best deal ?
I couldn't agree more! Costs can balloon when going turbo and wanting bigger power. My build took me about 5 years and cost just a hair over $45k. That being said after it was driving there were other issues that would show their ugly faces that I'd have to change or do something to make it work or straight up replace it with something better, lower profile. The worst part is that I still need to get body and paint done too. It just never seems to end
#37
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Have you guys ever actually verified the measurements on these housings?
The control arm mounts are 3/4" closer together, same with the shock mounts.
I feel like praying each control arm inward 3/8" is kinda a lot. I measured two factory ten bolt housings and they were both identical.
The control arm mounts are 3/4" closer together, same with the shock mounts.
I feel like praying each control arm inward 3/8" is kinda a lot. I measured two factory ten bolt housings and they were both identical.
#38
Senior Member
Re: Who's 9" is the best deal ?
Have you guys ever actually verified the measurements on these housings?
The control arm mounts are 3/4" closer together, same with the shock mounts.
I feel like praying each control arm inward 3/8" is kinda a lot. I measured two factory ten bolt housings and they were both identical.
The control arm mounts are 3/4" closer together, same with the shock mounts.
I feel like praying each control arm inward 3/8" is kinda a lot. I measured two factory ten bolt housings and they were both identical.
Then my next plan was to just order up the MWC 2 piece race arm that was 3rd gen specific length with the tabs but after seeing what kind of a pain in the *** that was gonna be I ended up pulling the QP housing and axles and sold it off for everything I paid for it and bought my Midwest Chassis fab 9. Everything about this rear end was better. It really did bolt in like the factory 10 bolt rear end.
After it was all said and done going with the Midwest unit did cost me more money but it's problem free and if I ever did decide to part the car out I know I could get almost every penny back from that unit
#39
Re: Who's 9" is the best deal ?
Yeah the midwest stuff was nice just took forever to get lol
#40
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From: SALEM, NH
Car: '88 Formula, '95 Formula
Engine: LC9 , LT1
Transmission: TKX , 4L60E
Axle/Gears: 3.50 9" , 3.23 10bolt
Re: Who's 9" is the best deal ?
Yea I had the same issue with my QP housing. The other issue I had was with the actual TA mount that hit the floor board when everything was installed. The only way I could get the torque arm on was to use the panhard bar to move the axle all the way over towards the passenger side.
Then my next plan was to just order up the MWC 2 piece race arm that was 3rd gen specific length with the tabs but after seeing what kind of a pain in the *** that was gonna be I ended up pulling the QP housing and axles and sold it off for everything I paid for it and bought my Midwest Chassis fab 9. Everything about this rear end was better. It really did bolt in like the factory 10 bolt rear end.
After it was all said and done going with the Midwest unit did cost me more money but it's problem free and if I ever did decide to part the car out I know I could get almost every penny back from that unit
Then my next plan was to just order up the MWC 2 piece race arm that was 3rd gen specific length with the tabs but after seeing what kind of a pain in the *** that was gonna be I ended up pulling the QP housing and axles and sold it off for everything I paid for it and bought my Midwest Chassis fab 9. Everything about this rear end was better. It really did bolt in like the factory 10 bolt rear end.
After it was all said and done going with the Midwest unit did cost me more money but it's problem free and if I ever did decide to part the car out I know I could get almost every penny back from that unit
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