Going to replace my TPI wire harness, anything I should do while I'm at it?
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Joined: Mar 2003
Posts: 553
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From: Phoenix Arizona
Car: 86 Iroc
Engine: 350 crate
Transmission: built 700r4
Going to replace my TPI wire harness, anything I should do while I'm at it?
Well, I have been having alot of electrical problems in the past few weeks, and mostly due to bad "clips" and wires in my harness. Sooo a friend and I are going to replace it.
I was originaly going to just replace it with a factory "original" harness, but while I'm at it, are there any upgrades I could do?
I don't want to spend TO much money, but I'd like to perform any upgrades I can to improve performance. Should I just go with a stock TPI wire harness like I have now? or are there any alternatives?
BTW, this is for my 86 Iroc with a 350 TPI.
Thanks guys!
I was originaly going to just replace it with a factory "original" harness, but while I'm at it, are there any upgrades I could do?
I don't want to spend TO much money, but I'd like to perform any upgrades I can to improve performance. Should I just go with a stock TPI wire harness like I have now? or are there any alternatives?
BTW, this is for my 86 Iroc with a 350 TPI.
Thanks guys!
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Joined: Jun 2002
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From: Welland, Ontario, Canada
Car: 85 Monte Carlo SS...
Engine: T.P.I L98.
Transmission: TH350
Axle/Gears: 3:73 Posi
"Painless Wiring" Make a great product, but the Original is usually best in my opinion. I also sent you a PM too...
Thread Starter
Senior Member
Joined: Mar 2003
Posts: 553
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From: Phoenix Arizona
Car: 86 Iroc
Engine: 350 crate
Transmission: built 700r4
I have read about the speed density setup, but it looks to me like it would actualy be harder to work with. After any change to the engine, a new chip has to be burned? And what is the real advantage to this setup? Aside from the cool looking filter hanging out of the intake 
Thanks for any info!

Thanks for any info!
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