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bigest cam and smog test for a tpi motor?

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Old Jan 16, 2007 | 02:12 AM
  #1  
355tpipickup's Avatar
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From: meridian, idaho
Car: 92 1500p\u 2wd
Engine: 91 z28 tpi 355
Transmission: 91 700r4
bigest cam and smog test for a tpi motor?

whats the biggest cam that cam be run and still pass emmissions with no problems.....i dont know much about tuning and i cant seem to find anyone shop around where "idaho" that can tune the 730 tpi motor....so it might have to be a mail tune. with this said what are my options?
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Old Jan 16, 2007 | 12:50 PM
  #2  
8UpAFord's Avatar
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Car: 1988 Corvette
Engine: 5.7L TPI L98
Transmission: 700R4
Axle/Gears: D36 2:59
you need to figure out how to tune your chip, don't do mail ordersif you are doing a cam and neeed it to pass E
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Old Jun 6, 2007 | 09:51 PM
  #3  
355tpipickup's Avatar
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From: meridian, idaho
Car: 92 1500p\u 2wd
Engine: 91 z28 tpi 355
Transmission: 91 700r4
Re: bigest cam and smog test for a tpi motor?

back from the dead....still lookin for the biggest cam that will pass....with the right tune
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Old Jun 6, 2007 | 09:59 PM
  #4  
1989GTATransAm's Avatar
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Re: bigest cam and smog test for a tpi motor?

I know of people with 225-226 degree cams passing smog here in California. It's in the tune.
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Old Jun 6, 2007 | 10:06 PM
  #5  
Sprayed92's Avatar
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Joined: Feb 2007
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From: Belleville,IL
Car: 92 Formula
Engine: 383 248/256 cam
Transmission: 700r4 3500 stall
Axle/Gears: 9" 3.89 gears detroit locker
Re: bigest cam and smog test for a tpi motor?

Yep all in the tune my bro's car has a hotcam and no air or egr and it passed a tailpipe sniffer with a good tune.
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