LT1-LT4 Modifications 1993-97 Gen II Small Block V8

can anyone answer this?

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Old Aug 21, 2010 | 04:28 PM
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Question can anyone answer this?

can i use a 350 block that is not an lt1 block and make it work with an lt1 top end. i know heads will be different cuz the lt1 are revrse cooled. but im not sure about the distributor because the lt1 has it in the front. please give me some info!
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Old Aug 21, 2010 | 04:29 PM
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Nope.
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Old Aug 21, 2010 | 04:31 PM
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It can be done, but it is not worth the effort and expence unless the parts are free.
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Old Aug 21, 2010 | 06:12 PM
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3rd gen guys put lt1 intakes/cams on their tpis.
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Old Aug 21, 2010 | 06:16 PM
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What does that have to do with putting LT1 heads on a SBC?
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Old Aug 21, 2010 | 06:59 PM
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Originally Posted by RamAir95TA
What does that have to do with putting LT1 heads on a SBC?
I know it's kinda tricky but a TPI motor is what most people refer to as a "traditional SBC." Couple that with the fact that the op was talking about a "top end" not specifically "heads." HE did, however, specifically mention the heads "being different" already. Clearly, you ASSumed he was talking about heads, and I mentioned a part of the "top end" that WILL WORK.
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Old Aug 21, 2010 | 07:41 PM
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--------------------------------------------------------------------------------

"can i use a 350 block that is not an lt1 block and make it work with an lt1 top end."

I suppose it can be done with enough welding and drilling and port matching and who knows what all else. But, man, why would you even want to open that can of worms!?

The machine work costs would be prohibitive, not to mention finding someone competent enough to do it but also willing to tackle the job.

When all is considered I'd say forget it. "Can" it be done and "should" it be done are different, diametrically opposed questions. There are many things we "can" do but "shouldn't".

Just my view.

Jake
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Old Aug 21, 2010 | 07:50 PM
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the reason i ask is because i have a long block that isnt an lt1 ready to go and my lt1 in my z28 blew a head gasket and i was gonna see if i could put that one in place of the lt1 block
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Old Aug 21, 2010 | 07:52 PM
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Originally Posted by LigHtEmUp01
the reason i ask is because i have a long block that isnt an lt1 ready to go and my lt1 in my z28 blew a head gasket and i was gonna see if i could put that one in place of the lt1 block
You probably could more easily than said, since its a long block if you want to go carbed that is. I don't know what that entails tho.
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Old Aug 21, 2010 | 08:04 PM
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you can find lt blocks in almost any junkyard. at least in my area.
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Old Aug 21, 2010 | 08:07 PM
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The work required would outway the benefit.
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Old Jan 20, 2023 | 08:48 AM
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Originally Posted by LSWHO
You probably could more easily than said, since its a long block if you want to go carbed that is. I don't know what that entails tho.
how would you use your accessories? not to mention no place for distributor.
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Old Jan 20, 2023 | 03:56 PM
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Originally Posted by Mad302!
how would you use your accessories? not to mention no place for distributor.
12 years hae gone by since this thread died...

You'd need to use an LT1 specific ( fbody, B body, vette) crank hub and accessories or get real creative. People have modified the LT1 Intake to fit a distributor. Need a drill press and weld in a shim. And cut the cowl.
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