'97 crate 350 - what edelbrock manifold? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-28-2004, 11:10 AM
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'97 crate 350 - what edelbrock manifold?

I have a '73 Toyota Landcruiser FJ55 wagon with a 1997 crate chevy 350 in it. The previous owner used an intake manifold and 2bbl carb from a '77 305. That's gotta go! I want a totally non-smog setup, preferably using Edelbrock intake manifold and 4bbl carb. Oh yeah, and my distributor is HEI.

I'm thinking of a Performer #2104 manifold and #1405 600cfm manual choke carb. Trouble is, all the lit on the website about the manifold says it's for '87-'95 chevy small blocks. DOES ANYONE KNOW IF THERE'S SOMETHING DIFFERENT ABOUT MY 1997 CRATE 350? Something that would prevent this Edelbrock manifold from working out?

I wouldn't post about this, but Edelbrock is not returning my questions.

Thanks!
~John

FYI, here's the lit on the manifold..
Designed for street 262-400 c.i.d. Chevy V8s that have heads with canted center bolt holes. #2104 is stock replacement/street legal part for 302, 327, 350 V8s with OEM 4-bbl. carb.; except stock equipped EGR. #3706 is stock replacement/street legal part for 305, 350 V8s with OEM 4-bbl. carb.; 1987. Both accept late-model waterneck, air-conditioning, alternator, H.E.I. and have rear water crossovers. #2104 accepts exhaust-heated chokes. For 1987-95 stock aluminum heads use #2101. Will not fit Chevrolet Bowtie or LT1 heads.

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Old 06-28-2004, 01:46 PM
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They list that way because Chevrolet started making several different types of heads. Reverse flows, Vortecs etc.

If your heads look like the conventional Chevy heads you can use the pre-95 manifold. The other style heads use bolt pattern and port design peculiar to their designation. LT-6, Vortec, Aluminum Corvette reverse flows.
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Old 06-28-2004, 01:58 PM
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Thanks!

Unfortunately, I wouldn't know regular chevy heads from irregular ones. But for what it's worth, someone at Edelbrock finally talked to me and told me that all the cast-iron heads on 1997 crate motors were Vortec and that I should therefore use the Edelbrock manifold #2116 for Vortec heads. Hmmmm. I've ordered one. Just have to see if it fits.

Cheers
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Old 06-28-2004, 02:20 PM
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Not necessarily so. Many, if not most crate engines were the old style "truck replacement " engines, which use the early style heads and intake. If your engine is stamped "hecho en mexico' it most likely does not have vortec style heads. If you can get some stamping numbers off of the heads, we can tell you for sure.
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Old 06-28-2004, 02:45 PM
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Alrighty, thanks. I'll definitely check for stamps on the heads and post tonight or tomorrow. For what it's worth, the old 2bbl smogger manifold (circa '77?) installed on the motor now appears to fit just fine. In view of that, is it possible at all that the heads could be Vortec? Seems like probably not.
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Old 06-28-2004, 04:56 PM
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Not all GM crate motors are the same. Most that are the replacement V-8 engines are made in Mexico and use the pre '85 style intake manifold and heads. (Not the one you mentioned)

Some come with the vortec heads and naturally use the vortec style intake.

Check the casting numbers found inside the heads under the valve covers. You can then look the info up at the Mortec site or post here and someone will tell you what you have. At the same time you might check the casting numbers on the block. They are located on the drivers side on the top of where the bellhousing mounts. That will tell you what block you have. You may also see Hecho En Mexico there.
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