AFR and SLP??
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Joined: May 2003
Posts: 987
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From: Houston-katy
Car: 1986 Irocz- Houstons Fastest Street
Engine: 408 LS1 w/ 2 stage
Transmission: Turbo 350
Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138
i ran slp 1 3/4 and the only issue i had with them was plug #5 and # 6 were a biatch with the way the tubes run besides that they were a great header and never had much leak issues. put hooker 1-7/8 longtubes on my car and have had all kinds of probs, almost want to go back to the slp's
Supreme Member
Joined: Jan 2001
Posts: 1,746
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From: Tucson, AZ
Car: 1991 Z-28
Engine: Can you say stroke?!?!
Transmission: 700-r4
Axle/Gears: 3.42
From what I understand you will not have issues if you got the L98 angle heads. From what I have read the problem occurs when people went with the standard angle plug heads and not the L98 angles. There used to be a thread that went into in-depth detail about this.
Senior Member
Joined: May 2003
Posts: 987
Likes: 0
From: Houston-katy
Car: 1986 Irocz- Houstons Fastest Street
Engine: 408 LS1 w/ 2 stage
Transmission: Turbo 350
Axle/Gears: 3:73,3850 lbs , best of 9.92 @ 138
i think you are correct , this was on a set of gm fastburns
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