LT1 cam in 91 305 tpi
Thread Starter
Joined: Oct 2001
Posts: 646
Likes: 1
From: Sedalia, MO
Car: 1991 Z28 convertible
Engine: 305 TPI
Transmission: TH-700R4
Axle/Gears: 3.73 posi 4th gen 10-bolt
LT1 cam in 91 305 tpi
I have a 91 z28 vert with a 305 tpi/auto tranny. There was oil getting in the coolant, so I suspect a head problem. Me and my buddy tore the upper end of the engine apart tonight, and got to thinking that heck, we came this far; why not go a little furthur and throw in a cam? He has a stock LT1 cam he got with a converted LT1 intake from a guy on here he's willing to give me. What I want to know is if this will make any difference over the stock cam, and whether or not I need a new chip (it's speed density). Thanks for any advice you may have.
Kevin
Kevin
Joined: Mar 2000
Posts: 5,703
Likes: 132
From: Orange, CA
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: LT1 cam in 91 305 tpi
It's damn near the same cam but with a little more lift.
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: LT1 cam in 91 305 tpi
Put it in there, you wont have a problem. It would be like adding 1.6 rockers to your stock cam. But, you cant add 1.6 rockers to the LT1 cam with stock heads, that's too much lift.
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