LS1 manifolds on 4.8/5.3
12-19-2010, 09:21 PM
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Car: 1991 camaro RS
Engine: currently swapping 5.3
Transmission: 4l60e
Axle/Gears: soon to be 4:11
LS1 manifolds on 4.8/5.3
sry ive tried searching and cant find a striaght answer, im going to be puttin a 4.8 or 5.3 in my 91 camaro, stock k member, stock everything lol will the ls1 stock manifolds fit without modding them? im swaping a stock 4.8 or 5.3 nothing crazy jus a good sounding cam and carbing it. thank you for you help.
12-21-2010, 03:37 PM
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Car: 1987 Trans Am
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Transmission: 4L60E
Re: LS1 manifolds on 4.8/5.3
the fbody manifolds are one of the 3 most common options that will work: 1. stock mani's (get some 01-02's for best flow) & custom y pipe. 2. hawk's/sw long tubes, custom y. 3. modify a set of 3rd gen sbc long tubes to line up with the gen III/IV exhaust ports.
12-21-2010, 03:43 PM
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Re: LS1 manifolds on 4.8/5.3
I know there is a height issue with hood clearance (but that can be handled by a new hood), but that has nothing to do with fitting on the block.
12-21-2010, 03:53 PM
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Re: LS1 manifolds on 4.8/5.3
How do you figure the CHASSIS into it? Hood I can understand, as I already mentioned, but the CHASSIS?
Besides...I've seen a 6.0 straight out of a truck into a 3rd gen, complete with pics, posted here on TGO.
EDIT: I see the "confusion" here. EXHAUST manifolds will not fit. Intake manifolds will. The OP only said "manifold" and "k-member". Intake yes, exhaust no.
Besides...I've seen a 6.0 straight out of a truck into a 3rd gen, complete with pics, posted here on TGO.
EDIT: I see the "confusion" here. EXHAUST manifolds will not fit. Intake manifolds will. The OP only said "manifold" and "k-member". Intake yes, exhaust no.
12-21-2010, 03:55 PM
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Car: 1987 Trans Am
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Re: LS1 manifolds on 4.8/5.3
the intake is too tall to fit a stock hood, exhaust manifolds dump into the firewall (not as easy a fix)
....and it looks like i posted right while you were. problem solved
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12-21-2010, 04:44 PM
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Re: LS1 manifolds on 4.8/5.3
I'm planning on put a stock 6.0 LQ under my hood, but I know I'll hafta change the exhaust manifolds out. The accessories MIGHT fit under my new hood too.
one guy is talking exhaust manifolds another intake manifold its funny as hell
12-22-2010, 07:39 AM
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Re: LS1 manifolds on 4.8/5.3
I know that one member has a stock Truck motor with full accessories fitting under a Stock third gen hood with a BBC Hood Cowl on it. I think the standard width cowl hoods will end up being just slightly too narrow, but wider cowl hoods may fit the alternator under it.
12-22-2010, 11:04 PM
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Re: LS1 manifolds on 4.8/5.3
BBC cowl hood? I'm curious - pics of this hood? You mention it being wider than a normal cowl hood....?
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