Crank swap for a 305 TPI
Thread Starter
Junior Member
Joined: Feb 2002
Posts: 16
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From: LaGrangeville, New York
Car: 1995 Camaro Z28
Engine: 5.7 LT1
Transmission: T56
Axle/Gears: Strange 12 bolt w/ 4.11s
Crank swap for a 305 TPI
I was wondering if anyone has done or thought about swapping the crankshaft from a '94-'97 264 motor into a 305 block? I was thinking of doing this in my '85 Z. I think with good heads, hi-flow runners, base, plenum and a good cam this combination would really pull in the upper midrange and topend.
Thread Starter
Junior Member
Joined: Feb 2002
Posts: 16
Likes: 0
From: LaGrangeville, New York
Car: 1995 Camaro Z28
Engine: 5.7 LT1
Transmission: T56
Axle/Gears: Strange 12 bolt w/ 4.11s
Why would it be so bad? As long as its a newer 305 block with the 1 piece rear seal it'd be Ok. As for power characteristics IDK. I tried the combo on Dyno 2000 and my power peak would be around 5700 rpms. Thats a little high for TPI I think.
Thread Starter
Junior Member
Joined: Feb 2002
Posts: 16
Likes: 0
From: LaGrangeville, New York
Car: 1995 Camaro Z28
Engine: 5.7 LT1
Transmission: T56
Axle/Gears: Strange 12 bolt w/ 4.11s
Why would it be so bad? As long as its a newer 305 block with the 1 piece rear seal it'd be Ok. As for power characteristics IDK. I tried the combo on Dyno 2000 and my power peak would be around 5700 rpms. Thats a little high for TPI I think.
Joined: Jul 2000
Posts: 6,530
Likes: 94
From: Aridzona
Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
hrowing away cubes to have a good motor is like screwing for virginity
Hey! better yet, offset grind the crank and use early small journal rods to give you a stroke of 2.9x. I'll bet if you try hard enough, and spend lots of money, you build a 25x c.i. TPI small block with 250 lb-ft and 200 hp.
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Joined: Aug 1999
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From: This spot right here --->*
Car: 2002 SOM z28
Engine: LS1
Transmission: T-56
Originally posted by CMyZFlyByU
I tried the combo on Dyno 2000 and my power peak would be around 5700 rpms.
I tried the combo on Dyno 2000 and my power peak would be around 5700 rpms.
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