MAF to SD....
Thread Starter
Supreme Member

Joined: Dec 2001
Posts: 1,629
Likes: 0
From: Seattle, WA
Car: 2003 Porsche C4S
Engine: 3.6L
Transmission: 6-speed Manual
MAF to SD....
I have it running now with the AXXD 305 bin with minimal changes. The swap wasn't too bad. But when I went from the '870 to the 165 and now the 730, there was a lot of cleaning up to do to the wiring that was no longer needed.
Don, it was the AXXD bin you recomended for starting or was it the AXXC?
I have 3 '730 ECMs. But one has a pin missing (was never there) where the memcal goes on the right side edge. Strange. I thought they were all the same.
Don, it was the AXXD bin you recomended for starting or was it the AXXC?
I have 3 '730 ECMs. But one has a pin missing (was never there) where the memcal goes on the right side edge. Strange. I thought they were all the same.
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Use the AXXD, its the 305 5-speed TPI with dual cats, 3.42 gears, the 230 HP verison.
The AXXC is the 3.08 gears, 205 HP version.
The AXXC is the 3.08 gears, 205 HP version.
Thread Starter
Supreme Member

Joined: Dec 2001
Posts: 1,629
Likes: 0
From: Seattle, WA
Car: 2003 Porsche C4S
Engine: 3.6L
Transmission: 6-speed Manual
thanks, I thought it was the AXXD.
I solved my fan and speedo problems and now everything looks good. Fan wasn't coming on and my speedo wasn't registering. Now it's time to cleanup some stuff and get tuning.
I solved my fan and speedo problems and now everything looks good. Fan wasn't coming on and my speedo wasn't registering. Now it's time to cleanup some stuff and get tuning.
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Cool!! Good luck with that.
I sent you some email to the address you have listed on here.
I sent you some email to the address you have listed on here.
Thread Starter
Supreme Member

Joined: Dec 2001
Posts: 1,629
Likes: 0
From: Seattle, WA
Car: 2003 Porsche C4S
Engine: 3.6L
Transmission: 6-speed Manual
I did some initial tuning to my VE tables. It idles smoother and the part throttle flapt spots aren't as obvious. But I was surprised at how well the stock bin was all things considered. Not too bad considering the differences between a 305 and mild 350.
Last edited by james_85Z28; Jul 23, 2002 at 01:18 AM.
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