I am going to swap a TPI and supercharger in my 82'. Who makes a good wire harness?? I've heard Painless is actually painful. People say it is not long enough and that it is missing some smog stuff. What about getting their longer harness, will that give me some flexability? Where can you get a COMPLETE factory harness? This is going to be a MAF TPI conversion. Any help or suggestions would be appreciated.

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82' Z-28. 327" w/ flat tops. 216/228/112LS. Pocket ported 041 heads 1.94/1.50 SS valves. World Class T-5 from a 91'. Best run? Runs with 2001 vette to 150mph!

 

Only thing I'd recommend besides a painless(full) is to keep your eyes open for and '85-'89 MAF TPI harness. Then just replace the wire covering stuff (forgot what it's called) and you are ready to go. Keep an eye on ebay and the classifieds, they show up every now and then.

 

I used painless and it was a little bit hard, but the tech support people were very helpful. I dont know what the rumor about emissions stuff is, but all of mine is still in tact. I used the short harness and didnt have any problems witht he length of it. Personally, I thought is was a good harness. good luck

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*1989 RS
*Red, Daytona Turbo fiberglass hood, chrome 16x8 IROC wheels
*355 CID
*TPI ported plenum, SLp siamesed runners, Edelbrock high flow intake
*Edelbrock TES Headers (getting SLP 1 3/4 this summer)
*Richmond 3.73
Modded 700-R4, 2800 stall converter
NO recent time slips.

 

Forget painless! Go with street & performance.

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84 Z28
406
accel supper ram
6000 rpm Hyd roller cam
afr heads
spohn torque arm and crossmember
t-56 trans, [wier racing bellhousing and hydrolic throwout bearing]
9" ME rearend 3.91 Gears

 

I had the same problem as u, looking all over for an engine harness, i found a guy who wrote to me in this board and said he has an 89' firebird with a 305 TPI and if i could come by and dissasemble the harness from the motor its all mines for free. Well got me a free great condition harness. HOW about that