Question for 3400 top swapers

Started by GPChief, February 04, 2009, 08:56:07 PM

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GPChief

February 04, 2009, 08:56:07 PM
Did your cars idle with the top end conversion?,  I need ot keep at least 500 to 1000 rpm for teh engien to keep running wiht both stock chip and JeffM chip.

On my cheapo narowband 02 it shows lean when above 2K, I think I may just have some bad injectors (hasnt ran in 2 years)

Thoughts, comments??
2004 GTP -  3.8 Blown - Only modding for MPG.
1997 GTP  - 3.8 Blown - Too many mods to list.
1996 GTP - 3.4 DOHC - Twin to my 1997.
1995 SE - soon to be a 3.8 turbo car.
1990 TSTE x 2 white cloth
1990 TSTE x 1 maroon leather
1990 TGP - 5 speed.

flybynite

#1
February 07, 2009, 06:26:23 AM
Quote from: GPChief on February 04, 2009, 08:56:07 PM
Did your cars idle with the top end conversion?,  I need ot keep at least 500 to 1000 rpm for teh engien to keep running wiht both stock chip and JeffM chip.

On my cheapo narowband 02 it shows lean when above 2K, I think I may just have some bad injectors (hasnt ran in 2 years)

Thoughts, comments??
Your symptoms sound about right, When I did the swap many moons ago I found that I needed to add fuel throughout the VE table. The upper flows a lot more air and will lean out the stock program with ease...
1989 TGP Pace Car
1990 TGP Red/Tan Leather

GPChief

#2
February 07, 2009, 10:35:40 AM
Groovy.....my mentor (Kenny) is going to give me a day class when our schedules agree.  I've used DHP on my 1997, and have HP Tuners for my 2000 truck, this ODB 1 stuff seems a lot harder to the old guy :icon_cool:
2004 GTP -  3.8 Blown - Only modding for MPG.
1997 GTP  - 3.8 Blown - Too many mods to list.
1996 GTP - 3.4 DOHC - Twin to my 1997.
1995 SE - soon to be a 3.8 turbo car.
1990 TSTE x 2 white cloth
1990 TSTE x 1 maroon leather
1990 TGP - 5 speed.
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