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Its alive! 401 Twin Turbo version V2.72 :)

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Old 06-29-2012, 08:42 PM
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Engine: 555 BBC Turbo
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Its alive! 401 Twin Turbo version V2.72 :)

Car is idling alright now...still abit rich but working the tune. I got some things I need to do first before I can think about driving it tho.

Setup is same shortblock as before but with Speier Racing v2.72 heads (245cc heads, 330cfm 2.100" valve) and a big BRE custom hyd roller (Bauer racing - high 240's duration, .640" lift) ported vic E efi intake. I HAD AFR 195cc heads and a mild 233 deg hyd roller, .564" lift. SO huge change.

Exhaust isnt done but I hung some Dynomax ultraflo rounds, 3" inlet, 6" case in place of the bullets.. It was too loud with straight bullets which is odd, since with the smaller cam and heads it was quiet. I guess thats how much more air is moving thru this motor.

950-1000 rpm fast idle, I'll try to get it down to 850 or so but it doesnt make much vacuum ~10" Hg so I need to keep it fast.


http://www.youtube.com/watch?v=nwRHxh1smQU
Old 06-29-2012, 10:24 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

good deal orr. guess you are back at home now?? cant wait to see what it will do now.
Old 06-29-2012, 10:38 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Racecar!
Old 06-30-2012, 12:55 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

so is this the final version or just a beta lmfao

sounds good
Old 06-30-2012, 04:58 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

congrats sounds GREAT
Old 06-30-2012, 07:56 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

So far so good.
Well done.
Old 06-30-2012, 09:45 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Originally Posted by one92rs
good deal orr. guess you are back at home now?? cant wait to see what it will do now.
Yep actually back in pa now and its been great working on the car just about everyday since i've been back.


This should be the final setup for awhile. I want this to last a few years lol
Old 06-30-2012, 06:53 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Sweet! Have any pictures of how you routed that exhaust from the firewall back?
Old 07-01-2012, 01:55 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Cant wait to see some more vids. Hustle up and finish it already!
Old 07-01-2012, 02:05 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

NICE , CANT WAIT FOR TRACK TIMES
Old 07-01-2012, 02:35 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

firsties....
Old 07-01-2012, 05:00 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Originally Posted by TwinTurboROC
Cant wait to see some more vids. Hustle up and finish it already!
Haha no doubt its been takin forever. Months longer than anticipated. Been workin on it when i can. I havent done anything else but work for last few months
Old 07-01-2012, 06:50 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Sweet...TT Camaro, nice.
Old 07-01-2012, 07:46 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Originally Posted by Orr89RocZ
Setup is same shortblock as before but with Speier Racing v2.72 heads (245cc heads, 330cfm 2.100" valve) and a big BRE custom hyd roller (Bauer racing - high 240's duration, .640" lift) ported vic E efi intake. I HAD AFR 195cc heads and a mild 233 deg hyd roller, .564" lift. SO huge change...
Justin, did you go with another Bauer Camshaft, or is that the same one you ran with when you were running NA? By the way, how does the front look with the turbo's lowered and out of the way of the hood now...?

- Rob
Old 07-01-2012, 07:57 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

sounds great man.
Old 07-02-2012, 07:16 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Justin, did you go with another Bauer Camshaft, or is that the same one you ran with when you were running NA? By the way, how does the front look with the turbo's lowered and out of the way of the hood now...?
Yes another Bauer cam, similar lobe family I believe as the old 383 cam, just much much bigger.

I got a new harwood 4" cowl to put on. I didnt want to go with a 4" but oh well, it was local and I picked it up to save on shipping. No chance to patch the holes in the other hood. It looks like a regular camaro with a big cowl hood now with the turbos hidden. I may have to paint the intercooler black to hide it to make it more "sleeper" lol but no hiding that exhaust note
Old 07-02-2012, 01:45 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Signing up to the thread.
Old 07-02-2012, 07:02 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

time for a real rear end?
Old 07-02-2012, 08:36 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Lol stock 10 bolt needs to get me thru initial tuning before the 12 bolt goes in. Not sure its gonna last tho i see fluid leaking thru the axle tubes where it goes into the housing! Ouch
Old 07-02-2012, 08:37 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

what kind of hp you expecting now ? you keeping the same turbo's ?
Old 07-02-2012, 08:39 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

I have the same 70's but larger .96 a/r housings for more top end. If fuel system can handle it, i want to see 900-1000 whp . Tall order thru a th400 with the high stall
Old 07-02-2012, 08:42 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

DAMN !
Old 07-02-2012, 08:47 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Figure on dyno jet the old setup was mid 700's. It was mid high 600's on a well known low reading mustang dyno here. New heads cam intake and hotside should be making bunch more power with an extra 1000 rpm. Should be interesting
Old 07-02-2012, 09:09 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

hell yea , hope you got a suspension to put it to the grown . i can't keep the *** end of mine from going sideways with about 220 hp .lol
Old 07-02-2012, 09:23 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Not much can help keep it planted. Need some sticky tires thats for sure but i dont expect it to hook on the street. Didnt work with 640's whp, not gonna with 800+ either
Old 07-02-2012, 09:30 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

lmfao , thats got to be a great feeling . hell i'd love to have your ol setup ! i can't wait to turbo mine , i'm building a bottom end this winter .get vids from the track i'm guessing 8's ?
Old 07-03-2012, 07:12 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

IF it can leave in boost and 60 foot hard, 8's shouldnt be a problem but I am not gonna have a trans brake in it for some time so this year it may just go 9's at 150+ just rolling off the line. We shall see.
Old 07-03-2012, 08:14 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

it's hard to bitch about JUST 9's .lmfao
i wish i had those problems .
Old 07-03-2012, 08:16 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

mines only about 220 hp an the *** comes around at will on dry pavement . tonight it rained an i drifted thru the neighborhood ! i can't imagine 400 more hp !
Old 07-10-2012, 10:45 AM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Sounds sweet! Nice to see this back together!
Old 07-10-2012, 01:05 PM
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Re: Its alive! 401 Twin Turbo version V2.72 :)

Thanks. Been along time and still work to be done. Redoing exhaust. Hung the duals higher to get better ground clearance and added the bullets to the driveshaft tunnel piping to help quiet it down more
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