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Can I put a LT1 block and heads under my TPI?

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Old 10-20-2000, 12:30 AM
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Can I put a LT1 block and heads under my TPI?

I am having doubtful thougts about the OptiSpark and the water pump, since they are both cam driven. I was looking into putting a 25K-35K mile LT1 block under my TPI so I can step up to a 350. I'll probably use the LT1 heads also, if I can. Any thoughts?

Jeff
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Old 10-21-2000, 11:42 PM
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Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
Can't do it. It's either go all LT1, or L98. pretty much the only realistically useful thing you can swap between the motors are the cams.
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Old 10-22-2000, 01:11 AM
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Thanks for the info, man.

Jeff
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Old 09-19-2001, 08:50 PM
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<font face="Verdana, Arial" size="2">Originally posted by Markolc:
Can't do it. It's either go all LT1, or L98. pretty much the only realistically useful thing you can swap between the motors are the cams.</font>
Wrong........wanna see pics?



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Old 09-19-2001, 10:28 PM
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to put a TPI on a LT1 you'd just have to change the intake bolt pattern, and block off the front thermostat housing. The distributer should go in fine.

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Old 09-22-2001, 01:16 AM
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why would you do that.
the stock 350/305 TPI is fine for a 305(mostly) and chokes out on a stock 350.
now put the LT1 in there and it would choke out faster,like 3000rpm i would guess.
so if you take the time to put a LT1 in go all out and get the newer computer and stuff.

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Old 09-27-2001, 01:15 AM
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My friend has an 87 TA with an lt1 and he is using his original tpi unit. His dist is still in the original location also.
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Old 06-08-2002, 08:47 AM
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Originally posted by UnderDogRS
why would you do that.
the stock 350/305 TPI is fine for a 305(mostly) and chokes out on a stock 350.
now put the LT1 in there and it would choke out faster,like 3000rpm i would guess.
so if you take the time to put a LT1 in go all out and get the newer computer and stuff.

A LT1 intake will choke out at 3000rpm? What are you thinking???

The LT1 intake will pull to 7000rpm easily, just make sure your vavletrain is up to it.
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Old 06-08-2002, 12:26 PM
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Originally posted by John Millican


A LT1 intake will choke out at 3000rpm? What are you thinking???

The LT1 intake will pull to 7000rpm easily, just make sure your vavletrain is up to it.
Read it again. He was talking about a stock TPI on a LT1 choking at 3000rpm.
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Old 06-09-2002, 09:11 AM
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Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Originally posted by Tas

Read it again. He was talking about a stock TPI on a LT1 choking at 3000rpm.
The way it was written, it sounded like he meant running a complete LT1 with the TPI electronics and it choking out at 3K.
That is what I gathered from the original reply.
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