Wiring harness for LT1
#1
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Car: 1990 RS
Engine: LS1
Transmission: T56
Axle/Gears: 3.73 9 bolt
Wiring harness for LT1
What harness did you use for the swap and did you like it. Getting close to that stage in the swap and would like to hear any opinions.
thanks
ricky
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Project LT1 install has begun.
thanks
ricky
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Project LT1 install has begun.
#3
Factory. Not as simple as painless, TPIS, Howell-efi, etc., but you get all the emissions stuff, can use stock chip and you can buy bits and pieces from a junk yard. If you don't care about emissions I would suggest anything other than factory.
m-t
m-t
#4
Supreme Member
I combined the '92 and '95 with no emissions, much cheaper but very much a PITA
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-'92 RS with self-installed '95 LT1
-Heddman Headers
-TPIS throttle body airfoil
-MSD 6-AL Ignition
Kills
-'97 Mustang Cobra
-'98 V6 Camaro
-'89 5.0 ****stang
-'97 Sebring
-'96 ****stang Cobra
Losses
-'99 Mustang GT
-'96 Mustang Cobra
-'95 Z28 (good race)
-'96(?) Turbo Eclipse (d*mn good race, heavily modified)
------------------
-'92 RS with self-installed '95 LT1
-Heddman Headers
-TPIS throttle body airfoil
-MSD 6-AL Ignition
Kills
-'97 Mustang Cobra
-'98 V6 Camaro
-'89 5.0 ****stang
-'97 Sebring
-'96 ****stang Cobra
Losses
-'99 Mustang GT
-'96 Mustang Cobra
-'95 Z28 (good race)
-'96(?) Turbo Eclipse (d*mn good race, heavily modified)
#5
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Join Date: Apr 2001
Location: Québec
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Engine: LT1
Transmission: 700r4
multi I would say that the painless wiring harness is about the same as if you would do your own wiring , the only thing it tells you is where every wire go and you still have to figure out everything. Painless wiring says it takes about 36 hours to install the kit if you are someone who knows what your doing. My wiring took me less than 20 hours to install. it's not that much of a PITA. you just need to know what is what.
That's why I decided to do my own, I was about to call jegs to get that painless wiring and I figured out they would sell me that same da*n thing that I already had .
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LT1 POWERED
HEADMANS HEADERS
NEARLY 300 HP.
next mods:
crane roller rockers 1.6
lt4 hotcam kit
airfoil
58MM edelbrock trottle body
new paint (wet look blue)
17' rims with 275 zr 40 and 245 zr40
That's why I decided to do my own, I was about to call jegs to get that painless wiring and I figured out they would sell me that same da*n thing that I already had .
------------------
LT1 POWERED
HEADMANS HEADERS
NEARLY 300 HP.
next mods:
crane roller rockers 1.6
lt4 hotcam kit
airfoil
58MM edelbrock trottle body
new paint (wet look blue)
17' rims with 275 zr 40 and 245 zr40
#6
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Join Date: Dec 1999
Location: Bloomington, MN
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Car: '85 Z28
Engine: 396ci LT1
Transmission: T56
Axle/Gears: 4th Gen rear with 4.10s/Eaton posi
TPIS's Howell harness rocks!! Very well made and very easy to work with. Well worth the money, considering the amount of time and effort one has to put forth to combine an older with a newer harness.
Eric
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Red T-Top '85 Z: LT1/A4 (Inoperable and waiting to undergo surgery)
-Pics of LT1 swap and brief install guide: Guide/Pics, Pics, More Pics.
Red Hardtop '85 Z: LB9/A4 (Awaiting transplant of LT1/T56 combo)
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Moderator @ www.mnfbody.com
Eric
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Red T-Top '85 Z: LT1/A4 (Inoperable and waiting to undergo surgery)
-Pics of LT1 swap and brief install guide: Guide/Pics, Pics, More Pics.
Red Hardtop '85 Z: LB9/A4 (Awaiting transplant of LT1/T56 combo)
------------------
Moderator @ www.mnfbody.com
#7
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Join Date: Feb 2000
Location: Westminster,Ca.
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How much do these harnesses cost,and more importantly,do they hook up everything? What about a/c controls,cruise etc? If I do this swap I want everything to work.Especially since I keep "getting" to go to a Test Only smog station the last 2 smog checks...And did all of you guys piece the swap together or buy totalled cars?
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#8
<font face="Verdana, Arial" size="2">Originally posted by LT1Powered85Z:
TPIS's Howell harness rocks!! Very well made and very easy to work with. Well worth the money, considering the amount of time and effort one has to put forth to combine an older with a newer harness.
Eric
</font>
TPIS's Howell harness rocks!! Very well made and very easy to work with. Well worth the money, considering the amount of time and effort one has to put forth to combine an older with a newer harness.
Eric
</font>
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