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7.5 to 8.8 swap

Old 09-26-2007, 04:43 PM
  #1  
Chadwick86
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Default 7.5 to 8.8 swap

Hey, I just put some money down on a 8.8 track-lock unit with 4.10's in it. Is there anything I need to know before I swap? Its out of a '92 with 120,000Km (60000 miles or so). I wanted 3.73's, but I thought 4.10's wouldnt hurt. It's a weekend kinda car. Thanx for any help or idea's!
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Old 09-26-2007, 04:44 PM
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mattdel
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Default RE: 7.5 to 8.8 swap

bolts right in

prepare for a large fight with the control arm bolts/bushings
get lots of penetrating oil
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Old 09-26-2007, 04:47 PM
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Chadwick86
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Default RE: 7.5 to 8.8 swap

Sweet, thanx a lot! Does anyone have/know anyone with 4.10's and a c-4? I know its not gonna have much highway, but I woundn't mind a ruff idea or how many RPM's I'll be turning. Thanx for the help
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Old 09-26-2007, 08:52 PM
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stang8689
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Default RE: 7.5 to 8.8 swap

I would change your bushings, goona need a torch to get them out
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Old 09-26-2007, 08:57 PM
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PJB
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Default RE: 7.5 to 8.8 swap

That thing is gonna scream on the highway with 4.10's and no OD.
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Old 09-26-2007, 09:29 PM
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Chadwick86
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Default RE: 7.5 to 8.8 swap

I knew it would be high, but I'll just have to adjust my speed lol. I really only drive it around town anyway, and the track is only 15km away. Does anyone have an idea of what I'll be looking at? Like 3200-3500ish at 55mph?<<<(Edit) If anyone has any ideas, let me know. Thanx a lot
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Old 09-27-2007, 01:36 AM
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raven_ghostwolf
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Default RE: 7.5 to 8.8 swap

with a stock tire 225/60-15 and 4.10's 55 mph would be approx. 2960 RPM
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Old 09-27-2007, 08:30 AM
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Default RE: 7.5 to 8.8 swap

I've got 235/60 R14's on some steel American Racing wheels. So with one less inch will it be that much more? I can't see it making that much more of a difference. 2960 is lower than I thought, and thats about where I want it (3000-3200).Thanx for the help, and if anyone has any idea's let me know.
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Old 09-27-2007, 08:32 AM
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stang8689
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Default RE: 7.5 to 8.8 swap

Damn didn't see you had a c4 good luck
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Old 09-27-2007, 08:34 AM
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Chadwick86
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Default RE: 7.5 to 8.8 swap

Good luck lol?
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