converting to SD.
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Member
Joined: Nov 2008
Posts: 134
Likes: 1
From: MICHIGAN
Car: 88 IROC
Engine: 305TPI
Transmission: T-5
Axle/Gears: 3.42
converting to SD.
Don't flame me.. I looked and didn't see exactly what I wanted to know... I want to convert my 88 305TPI to speed density.. I have a complete un molested engine harness/computer and a fairly fresh 305tpi sd(10-12k miles) to swap out my 130k tpi.. isn't it plug and play or would changes need to be done at the ALDL port?
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: converting to SD.
'730 ECM has 3 connectors ; your '165 has two
The 165 - 730 swap bible
http://www.eecis.udel.edu/~davis/z28/ecm_swap_730/
Supreme Member
Joined: May 2005
Posts: 1,057
Likes: 3
From: Malvern, Arkansas
Car: 90 IROC 2-92 Zs blk vert & prpl
Engine: stealth ram brodix track 1 ful port
Transmission: 700r4 4l80e
Axle/Gears: iroc 375 lokr 92 Z 277 pos vert 327
Re: converting to SD.
I changed my 89 350 IROC to 90-92 and it was a !@#$%^&*&^%$#!@#$%^&. It is now speed density with the 90-92 dash and gauges. To look at the car you would swear it was a factory 90 IROC. I changed every harness except the door harness and A/C harness. The harness for the dash, headlights, cabin, tailights and of course motor all had to be changed. You have to buy a 90-92 350 knock sensor and of course map sensor along with a 730 ecm and chip.
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Thirdgen89GTA
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Nov 26, 2015 11:04 PM