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TBI MAP vs TPI MAP -- Same thing?

Old Feb 21, 2006 | 11:14 PM
  #1  
80Sierra's Avatar
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From: Alberta, Canada
Car: 80 GMC K35
Engine: TPI 355
Transmission: NV4500
Axle/Gears: 4.10
TBI MAP vs TPI MAP -- Same thing?

Howdy!

I'm swapping to speed density on my truck, and I'm basically down to the MAP sensor and a memcal for the 350. Can I just grab a map sensor + wiring from a TBI truck? Or does the TPI have it's own specific MAP sensor?
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Old Feb 22, 2006 | 12:01 AM
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From: GA
Car: '90 C1500
Engine: SBC MPFI
Transmission: 4L80e
Axle/Gears: 4.30
The MAP sensor is the same....just did the TPI swap myself. Enjoy the new system!!
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Old Feb 22, 2006 | 12:51 AM
  #3  
80Sierra's Avatar
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Joined: Sep 2004
Posts: 231
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From: Alberta, Canada
Car: 80 GMC K35
Engine: TPI 355
Transmission: NV4500
Axle/Gears: 4.10
I hope I will!

Its been a work in progress for close to 8 months already...

Started off with an 85 MAF setup, then upgraded to an 86 setup, but the MAF wound up being no good, so it wouldn't run, to now having my truck running speed density.

Hopefully it'll actually run now. Just need to find myself a memcal for less than 100 bucks Cnd shipped, lol
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