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Crank swap for a 305 TPI

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Old Mar 20, 2002 | 07:51 PM
  #1  
CMyZFlyByU's Avatar
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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.
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Old Mar 20, 2002 | 08:37 PM
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Car: 2002 SOM z28
Engine: LS1
Transmission: T-56
Ummm... something tells me that wouldn't be such a good idea.
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Old Mar 20, 2002 | 09:00 PM
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CMyZFlyByU's Avatar
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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
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.
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Old Mar 20, 2002 | 09:13 PM
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CMyZFlyByU's Avatar
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Joined: Feb 2002
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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
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.
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Old Mar 21, 2002 | 01:56 AM
  #5  
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jmd
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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





Originally posted by madmax
Keep in mind that if you want to build that 302, 305, or 327 as opposed to the common 350, that is your choice. However, don't let anyone fool you into thinking that the 350 will not make more power, because it will, every time.
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Old Mar 21, 2002 | 12:30 PM
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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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Old Mar 21, 2002 | 01:16 PM
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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.
There you go... it must be worth it then
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