My TPI vs LSX
03-29-2011, 07:26 PM
#101
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Car: 09 GSXR/88 iroc/91 RS B4C
Engine: 600cc/l5.7/5.7
Transmission: 6 speed/TH 350/auto
Axle/Gears: 45tooth rear?/3.23/3.42
Re: My TPI vs LSX
Interesting thread...
I wouldn't quite say that. I come to TGO on and off for technical info for my swap. I considered the LSX swap into my 70 Monte but decided that the cost involved with the motor mount, headers and various other mods required for that would put it out of my price range. So I decided to go with the TPI set-up. I like the looks, and the torque is what I am after. And Torque is what is going to get my ~4000 lb monster rolling, of course the 200-4r and 3.73 posi will help. But I'm not trying to build a high horse motor. Yes I'm using a mix of new and used parts and I have no expectations of anywhere near 400HP. That was my old build that was not streetable with the .5"+ solid mech cam and 3500 stall.... I'm simple hoping for around 300HP and maybe 400-450ish ft-lb of torque.
To me though there is no shame in either 1st gen sbc or LSx's they just come from different era's. Yes, the LSx has the advantage of newer technology but the history of the sbc is second to none and for me it was just so much easier to retrofit the L98 setup into my project."
Last edited by Kevin91Z; 03-30-2011 at 12:10 PM. Reason: fixed the quoting
03-29-2011, 07:43 PM
#102
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Car: 1986 Trans am
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Re: My TPI vs LSX
Interesting thread...
I wouldn't quite say that. I come to TGO on and off for technical info for my swap. I considered the LSX swap into my 70 Monte but decided that the cost involved with the motor mount, headers and various other mods required for that would put it out of my price range. So I decided to go with the TPI set-up. I like the looks, and the torque is what I am after. And Torque is what is going to get my ~4000 lb monster rolling, of course the 200-4r and 3.73 posi will help. But I'm not trying to build a high horse motor. Yes I'm using a mix of new and used parts and I have no expectations of anywhere near 400HP. That was my old build that was not streetable with the .5"+ solid mech cam and 3500 stall.... I'm simple hoping for around 300HP and maybe 400-450ish ft-lb of torque.
To me though there is no shame in either 1st gen sbc or LSx's they just come from different era's. Yes, the LSx has the advantage of newer technology but the history of the sbc is second to none and for me it was just so much easier to retrofit the L98 setup into my project."
I'm considering going with a tpi set up on my 72 monte carlo as well for the same reasons. First the torque as the monte does weigh 3800-4000lbs. Next it can be done fairly cheap to get it running.(stock engine of course) and also because TPI is what i know best. so it would be easier for me to install, find parts, combo's. Have you driven the monte with the tpi how dos it drive,
I wouldn't quite say that. I come to TGO on and off for technical info for my swap. I considered the LSX swap into my 70 Monte but decided that the cost involved with the motor mount, headers and various other mods required for that would put it out of my price range. So I decided to go with the TPI set-up. I like the looks, and the torque is what I am after. And Torque is what is going to get my ~4000 lb monster rolling, of course the 200-4r and 3.73 posi will help. But I'm not trying to build a high horse motor. Yes I'm using a mix of new and used parts and I have no expectations of anywhere near 400HP. That was my old build that was not streetable with the .5"+ solid mech cam and 3500 stall.... I'm simple hoping for around 300HP and maybe 400-450ish ft-lb of torque.
To me though there is no shame in either 1st gen sbc or LSx's they just come from different era's. Yes, the LSx has the advantage of newer technology but the history of the sbc is second to none and for me it was just so much easier to retrofit the L98 setup into my project."
I'm considering going with a tpi set up on my 72 monte carlo as well for the same reasons. First the torque as the monte does weigh 3800-4000lbs. Next it can be done fairly cheap to get it running.(stock engine of course) and also because TPI is what i know best. so it would be easier for me to install, find parts, combo's. Have you driven the monte with the tpi how dos it drive,
Then of course you would still have to swap motor mounts and all the conversion parts in it.
Last edited by Kevin91Z; 03-30-2011 at 12:11 PM. Reason: fixed the quoting
03-29-2011, 08:18 PM
#103
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Car: 1986 IROC-Z28 Camaro
Engine: 350 carbureted (swap from 305 TPI)
Transmission: 700R4 rebuilt with shift kit
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Re: My TPI vs LSX
Yes watch out with the mild built ls1s out in the streets which can be fast with the right driver..
This guys is coming back with more hp. ill make sure I have my new clutch installed, A better exhaust and REAL traction. Mines still bone stock running like a champ.
http://www.youtube.com/watch?v=yv5We...eature=related
This guys is coming back with more hp. ill make sure I have my new clutch installed, A better exhaust and REAL traction. Mines still bone stock running like a champ.
http://www.youtube.com/watch?v=yv5We...eature=related
03-30-2011, 05:30 AM
#105
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Car: Current project is 70 Monte Carlo
Engine: 350 TPI (SD)
Transmission: 200-4R
Axle/Gears: 3:73, 12 bolt Limited Slip
Re: My TPI vs LSX
Have you driven the monte with the tpi how dos it drive,
TPI swaps are cool in muscle cars too but have you consider a truck engine 5.3 or 6.0 LSx?
IMO the TPI looks better than the LSx truck intake and was easier and less expensive.
Steve
03-30-2011, 10:26 AM
#107
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Car: 89 GTA/93 S13/91 Si
Engine: 5.7 350 TPI
Transmission: 700R4
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Re: My TPI vs LSX
eco-tech ftw 
id take an LSX over my TPI anyday
although i do like the sound of a Turbo'd stealth ram set up
id take an LSX over my TPI anyday
although i do like the sound of a Turbo'd stealth ram set up
04-05-2011, 09:09 PM
#108
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Re: My TPI vs LSX
I have lots of respect for vincent and the other guys but the tpi had its time just like the carb the lsx can make way more horse power and be smog legal( No Miniram is not smog legal) pass VISUAL and the sniffer...
im currently building a lsx and when im done a complete swap will be no where close to 6000... but with the same or better power...
facts are facts however its your choice and a personal choice to run what ever you want...
im currently building a lsx and when im done a complete swap will be no where close to 6000... but with the same or better power...
facts are facts however its your choice and a personal choice to run what ever you want...
04-05-2011, 11:01 PM
#109
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Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: My TPI vs LSX
I guess the only thing that hasn't been said in this thread is, if you want to keep your third gen all third gen......
Then you can build it like mine and make good power, have street manners, idle at 700 RPMs smooth, cruise at 70 MPH and get 20+ MPG with your air conditioning entact. Pass smog every 2 years without changing parts.
Or you can swap.....
Some of us would rather maintain than switch it's your choice.
And, in Vincent's case ....you can also have fun with kill stories.
Then you can build it like mine and make good power, have street manners, idle at 700 RPMs smooth, cruise at 70 MPH and get 20+ MPG with your air conditioning entact. Pass smog every 2 years without changing parts.
Or you can swap.....
Some of us would rather maintain than switch it's your choice.
And, in Vincent's case ....you can also have fun with kill stories.
04-05-2011, 11:08 PM
#110
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Car: 1993 GMC Typhoon
Engine: 4.3 Turbo
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Axle/Gears: 3.42
Re: My TPI vs LSX
I have great respect for the SoCal crew keeping their cars original and staying with TPI, they have truely proved over and over how potent it can be.
Cost? well as i see it, FOR ME, i wouldnt want to spend that kind on money on TPI for 380+rwhp when there are other options available. But for them, let em be, works for them and i respect what they do.
Compairing the 2 engines (TPI and LSx) just shouldnt be done, vastly different, each bring to the table something to offer.
Cost? well as i see it, FOR ME, i wouldnt want to spend that kind on money on TPI for 380+rwhp when there are other options available. But for them, let em be, works for them and i respect what they do.
Compairing the 2 engines (TPI and LSx) just shouldnt be done, vastly different, each bring to the table something to offer.
04-05-2011, 11:13 PM
#111
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Car: 87 Trans Am
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Re: My TPI vs LSX
I have lots of respect for vincent and the other guys but the tpi had its time just like the carb the lsx can make way more horse power and be smog legal( No Miniram is not smog legal) pass VISUAL and the sniffer...
im currently building a lsx and when im done a complete swap will be no where close to 6000... but with the same or better power...
facts are facts however its your choice and a personal choice to run what ever you want...
im currently building a lsx and when im done a complete swap will be no where close to 6000... but with the same or better power...
facts are facts however its your choice and a personal choice to run what ever you want...
04-06-2011, 01:18 AM
#113
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04-07-2011, 11:47 PM
#114
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Car: 91 TA WS6
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Re: My TPI vs LSX
Vincent: Nice, I always like reading stories like that.
A question for you LS builders, where are you finding the low mileage blocks for cheap? My truck is nearing 150k and it would be nice to get some of the power back (or go to a 6.0L).
A question for you LS builders, where are you finding the low mileage blocks for cheap? My truck is nearing 150k and it would be nice to get some of the power back (or go to a 6.0L).
04-08-2011, 01:03 AM
#115
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Car: 1986 Trans am
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Re: My TPI vs LSX
04-08-2011, 01:35 AM
#116
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Re: My TPI vs LSX
I got mine from the junkyard chain "LKQ." Go on www.car-part.com and type in the year, make, and model car that has the engine you are looking for and it will show you every junkyard around you going from closest to furthest that has one in stock. Most list mileage as well. Picked up my 35k mile 5.3 for 800$ through them...complete engine.
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