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305 TPI to 350 TPI ??

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Old Apr 9, 2006 | 11:33 PM
  #1  
IRAWK
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305 TPI to 350 TPI ??

My 85' IROC has a 305 TPI. I am looking into Crate 350's, and was wondering if it was at all possible to use my current intake (TPI Setup) on a crate 350 (instead of having to purchase a carb seperatly, use the stock TPI intake)...
Just an idea, wasnt sure if it was possible.
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Old Apr 9, 2006 | 11:44 PM
  #2  
84z28350's Avatar
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Joined: Aug 2005
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Yes you can bolt it right on. But you may need larger injectors and definately some tuning to get it running 100%
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Old Apr 9, 2006 | 11:47 PM
  #3  
IRAWK
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Oh yeah? thats awesome!! I'd much rather have TPI than carb

very much!
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Old Apr 10, 2006 | 01:35 AM
  #4  
iroc22's Avatar
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From: Surrey, BC
You'll need the 350 knock sensor and ESC, also I would recommend 24lb injectors to feed the 350. You could just bump up the fuel pressure and try and compensate for the smaller injectors...
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Old Apr 10, 2006 | 12:50 PM
  #5  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Whether the TPI will be happy on the 350 crate depends entirely upon what 350 crate you're talking about. Goodwrench 350, no problem. 330 HP 350 HO, big problem.
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Old Apr 10, 2006 | 01:25 PM
  #6  
IRAWK
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I haven't decided what one I want to do yet. I dont know alot about crates, but Im pretty sure they make one for fuel injection specifically... .. not 100% sure. I'm not looking to spend over $3500, and I understand its gonna take more than just dropping the engine in. Just dont know weather or not to throw a carbed one on, and loose the TPI system (which I would prefer to keep... & I also plan on supercharging it sometime downt the road)

& thanks for the help! I appreciate it!
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