305 with lt1 stock cam
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Joined: Apr 2008
Posts: 27
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From: seaford delaware
Car: 1985 pontiac trans am/ orignal ws6
Engine: 5.0l 305 tpi
Transmission: 700r4
Axle/Gears: borg-warner 9 bolt 3.27
305 with lt1 stock cam
i have recently a stock lt1 cam from a buddy cause ive heard a few things about them really waking up a 305. and before a take the time to pull my 85 305 tpi apart i was wondering if anyone out there had done this and how much does it help?
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Joined: Jun 2011
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Re: 305 with lt1 stock cam
more hassle than it's worht i have heard. just get yourself a cam and 1.6 RR from summit and you can choose what you want out of it. LT1 cams barely make a difference from the input i have gotten from other 3rd gen owners. Just fyi...
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: 305 with lt1 stock cam
Your 85 engine is a flat-tappet camshaft, and the LT1 is a roller-tappet camshaft. It wont work.
Thread Starter
Junior Member
Joined: Apr 2008
Posts: 27
Likes: 0
From: seaford delaware
Car: 1985 pontiac trans am/ orignal ws6
Engine: 5.0l 305 tpi
Transmission: 700r4
Axle/Gears: borg-warner 9 bolt 3.27
Re: 305 with lt1 stock cam
no the orginal engine shot a rod out the side the block in there now is a 1992 roller
Thread Starter
Junior Member
Joined: Apr 2008
Posts: 27
Likes: 0
From: seaford delaware
Car: 1985 pontiac trans am/ orignal ws6
Engine: 5.0l 305 tpi
Transmission: 700r4
Axle/Gears: borg-warner 9 bolt 3.27
Re: 305 with lt1 stock cam
i also have 1.6 roller rockers on it now and i wasnt going to put alot into this motor cause i have a 327 going in this winter just wanted something to make her alittle more peppy for now
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