finally done with ls1 swap
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From: Buffalo NY
Car: 89 iroc
Engine: ls6
Transmission: 4l60e
finally done with ls1 swap
finally finished my swap. thanks for all the help and info in this forum it was awesome!
a few observations-
1. the hawks headers fit fine with my 4l60e. no mods required.
2. it appears my ride height has not changed. i am running hotchkis lowering springs and the ride height is the same.
3. the ls1 in a 3rd gen is even better than i imagined! this thing is a blast to drive!




a few observations-
1. the hawks headers fit fine with my 4l60e. no mods required.
2. it appears my ride height has not changed. i am running hotchkis lowering springs and the ride height is the same.
3. the ls1 in a 3rd gen is even better than i imagined! this thing is a blast to drive!




Joined: Sep 2007
Posts: 533
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From: Crestview, FL.
Car: 1989 IROC-Z, 1979 Malibu Classic
Engine: LSx 5.3
Transmission: MN12 6-speed, 4L60E
Axle/Gears: 4th gen 3.42
Re: finally done with ls1 swap
Very nicely done man, looks like it came from the factory this way. Hope you have fun with it, that thing is definitely a sleeper!
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Joined: Sep 2005
Posts: 6,258
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From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: finally done with ls1 swap
That's one of my favorite color combo's for the IROC-Z. The swap looks killer by the way, very clean.
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Junior Member
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From: Buffalo NY
Car: 89 iroc
Engine: ls6
Transmission: 4l60e
Re: finally done with ls1 swap
Which Hawks headers did you go with? 1 3/4" 3" collector. the o2's lined up nice and reversed the shifter arm.
good stuff! how's chuck's tune? the other half jason did the tune. chuck was on vacation but i never could of got it going without him.
thanks!
good stuff! how's chuck's tune? the other half jason did the tune. chuck was on vacation but i never could of got it going without him.
thanks!
Thread Starter
Junior Member
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Joined: May 2009
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From: Buffalo NY
Car: 89 iroc
Engine: ls6
Transmission: 4l60e
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From: Hou. TX
Car: 86 TA, 91 B4C
Engine: 5.3, 4.8
Transmission: 4L80 4000, T56
Axle/Gears: 4.30 M12, 23.42 10 bolt
Re: finally done with ls1 swap
Looks good man, hope to have another third gen converted soon, but it will be carbed like my 89.
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Posts: 13,622
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: finally done with ls1 swap
Which of the coil bracket bolts end up having those arrow shaped tops to mount the covers on? I bought a set to try to cut up for my carb combo but looks like I could move the bolts around a few spots to mount them.
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Junior Member
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Joined: May 2009
Posts: 91
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From: Buffalo NY
Car: 89 iroc
Engine: ls6
Transmission: 4l60e
Re: finally done with ls1 swap
it snaps on to the fuel rail and just sits on top of the coils.
Supreme Member
iTrader: (5)
Joined: Jan 2002
Posts: 13,622
Likes: 5
From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: finally done with ls1 swap
oh in that case i won't be able to mount them onto my motor
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