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l92 help

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Old 04-13-2011, 06:13 PM
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Question l92 help

I have a l92 long block from a cadillac escalde i don't no much about these engines except that people take the heads off them and put them on ls1s...can anyone tell me more about this engine? can i use the intake manifold from another ls motor and put in on this one?...all and any info is highly appreciated.
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Old 04-13-2011, 09:19 PM
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Re: l92 help

Originally Posted by jdelaprida
I have a l92 long block from a cadillac escalde i don't no much about these engines except that people take the heads off them and put them on ls1s...can anyone tell me more about this engine? can i use the intake manifold from another ls motor and put in on this one?...all and any info is highly appreciated.
BECAREFUL!!!

The L92 Heads DO NOT WORK on LS1's!!! You MUST have a 6.0L OR LARGER to use them! (LQ4 / LQ9 / LS2 / L92 / LS3 ect...) The LS1 bore is slightly too small for the L92 Heads.

The L92 Intake Manifold is ENTIRELY different. It has to be used with Cathedral port heads, L92 Heads for example. You CAN use your LS1 intake on the L92 engine, but you must ALSO use LS1 heads on the L92 engine... So if you use your LS1 intake manifold on the L92, you MUST ALSO use LS1 heads... You can't use the L92 Intake manifold on the LS1 because the heads won't work on the LS1.

Last edited by Need4Camaro; 04-13-2011 at 09:21 PM.
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Old 04-13-2011, 09:57 PM
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Re: l92 help

thanks for the info...but in trying to keep the long block the way it is..can i use any other intake manifold on the l92 or it has to be only a l92 intake?
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Old 04-13-2011, 10:56 PM
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Re: l92 help

Originally Posted by Need4Camaro
BECAREFUL!!!

The L92 Heads DO NOT WORK on LS1's!!! You MUST have a 6.0L OR LARGER to use them! (LQ4 / LQ9 / LS2 / L92 / LS3 ect...) The LS1 bore is slightly too small for the L92 Heads.

The L92 Intake Manifold is ENTIRELY different. It has to be used with Cathedral port heads, L92 Heads for example. You CAN use your LS1 intake on the L92 engine, but you must ALSO use LS1 heads on the L92 engine... So if you use your LS1 intake manifold on the L92, you MUST ALSO use LS1 heads... You can't use the L92 Intake manifold on the LS1 because the heads won't work on the LS1.
not challenging your info, but arent l92 heads essentially the same as ls2 heads? i know those fit on ls1 blocks.
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Old 04-14-2011, 01:02 AM
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Re: l92 help

Originally Posted by rv93
not challenging your info, but arent l92 heads essentially the same as ls2 heads? i know those fit on ls1 blocks.
No, L92 heads are NOT LS2 heads, they are designed for a minimum bore of 4"...
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Old 04-14-2011, 02:45 PM
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Re: l92 help

Originally Posted by Need4Camaro
No, L92 heads are NOT LS2 heads, they are designed for a minimum bore of 4"...
ok, i assumed they would essentially be the same. thanks for the info.
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Old 04-14-2011, 07:42 PM
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Re: l92 help

would i be able to get a intake manifold and throw a 4 barrel on it?
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Old 04-14-2011, 08:29 PM
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Re: l92 help

Originally Posted by jdelaprida
thanks for the info...but in trying to keep the long block the way it is..can i use any other intake manifold on the l92 or it has to be only a l92 intake?
You can use the LS3 and L76 intake I believe, but LS1 and LS2 intakes are off limits. Currently there are no aftermarket intakes that are below $900 that support the L92 heads... You would be limited to the LS3 / L76 intakes.

Originally Posted by jdelaprida
would i be able to get a intake manifold and throw a 4 barrel on it?
You'll have to get a carburated intake, which is cheaper overall than Fuel Injected intakes, but there's also of sacrifices with a carburated intake if its going to be a Daily Driver at all. If it's a pure track car, it'll be fine.

What is this motor going into? If it's an F-Body, I'm not sure if it will clear the cowl and hood.

Last edited by Need4Camaro; 04-14-2011 at 09:48 PM.
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Old 04-15-2011, 02:20 PM
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Re: l92 help

87 monte carlo
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Old 04-21-2011, 09:13 PM
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Re: l92 help

Originally Posted by jdelaprida
87 monte carlo
Not sure of the hood clearances...but a carbed intake would probably be fine clearance wise.
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