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TPI swap

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Old Apr 17, 2006 | 09:25 AM
  #1  
anything-z's Avatar
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From: st louis
Car: 86 Iroc
Engine: 87 305 tpi
Transmission: auto
TPI swap

Is there any difference between the tpi set-up from an 86 305 block to the 87' 305 center bolt motor that im getting ready to swap in. Im nearing completion on the new motor and thought i read somewhere that the intake was a little different.
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Old Apr 17, 2006 | 09:40 AM
  #2  
Duts87ss's Avatar
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From: Ocean Springs, MS
Car: 1987 Monte Carlo SS
Engine: HSR 383 AFR180/268XFI EBL
Transmission: 200-4R, Edge 2800 L/U
Axle/Gears: 7.5/3.73/PowerTrax No-Slip
The angle of the center bolts on the '87+ intakes changed to a different angle. I beleive quite a few people have had good luck just "hogging" the holes out.
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Old Apr 17, 2006 | 11:04 AM
  #3  
anything-z's Avatar
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From: st louis
Car: 86 Iroc
Engine: 87 305 tpi
Transmission: auto
which holes? would you happen to have pic? im guessing everything else will line up properly
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Old Apr 17, 2006 | 11:24 AM
  #4  
Shagwell's Avatar
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From: Southwest Florida
Car: projects.......
the center two bolt holes on each side, going into the heads. - Just slot'em out a bit with a drill. - I bet it's been done more than the right intakes have been bought.....
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Old Apr 17, 2006 | 11:32 AM
  #5  
anything-z's Avatar
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From: st louis
Car: 86 Iroc
Engine: 87 305 tpi
Transmission: auto
thanks alot, i was nervous for minute there. anyone know of a good cam to run on this 87' roller cam 305 motor. i have headers, and a cat back system already. somthing streetable but noticable.
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