Block ID - Team Camaro Tech
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post #1 of 6 (permalink) Old Sep 21st, 03, 06:52 PM Thread Starter
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Hey guys I have an issue of Powerpro Series "Chevrolet Small-Block v-8 ID Guide"& in the guide it showes a high tin & nickle content block that has an 010-020 under the timing cover, but it does not say what they come in and what year.Does anyone there have any idea what they came in ,like vettes,Z/28's 4x4 trucks or what,any help would be appreciated thanks Camaro BOB
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post #2 of 6 (permalink) Old Sep 21st, 03, 11:04 PM
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www.mortec.com is the best link iknow of,it might help
good luck!
Eric

86 camaro,383,topline vortecs,scat crank,wiseco forged 9.5:1,6"scat rods,comp xs282s,performer rpm,750 proform vac sec,msd in cap, hooker coated 1 5/8"headers,3"flowmaster,700r4,2800 stall,3.42 10 bolt posi,hotchkiss lca's,aje tube k member & a-arms
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post #3 of 6 (permalink) Old Sep 21st, 03, 11:06 PM
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it was called the"bowtie"block if i remember correctly.

86 camaro,383,topline vortecs,scat crank,wiseco forged 9.5:1,6"scat rods,comp xs282s,performer rpm,750 proform vac sec,msd in cap, hooker coated 1 5/8"headers,3"flowmaster,700r4,2800 stall,3.42 10 bolt posi,hotchkiss lca's,aje tube k member & a-arms
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post #4 of 6 (permalink) Old Sep 22nd, 03, 12:02 PM
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010, 020 are not Bowtie blocks. Bowties are performance/race blocks sold by Cheverolet. To my knowledge none came stock in a production car. The 010, 020 he is talking about is under/behind the timing cover, and when looking for a block these are nice blocks to start a rebuild with. Higher nickel content than other blocks. I am not sure what years they were from, I would guess late sixties (68) to early 70's (~74). If you have the casting numbers from the back of the block just behind the intake manifold on the passenger side, you can figure out what years and types of vehicle the block is from.

Royce (NO XQSSS) Bradley

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post #5 of 6 (permalink) Old Sep 22nd, 03, 04:34 PM
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The high tin alloy blocks were produced in the early 80's. It had 4" bore, and medium journal 350 style 4 bolt mains. It was sold as part number #366246 (note this is not a casting number). The high tin alloy allows for a better strength, harder cylinder wall finish and more HP. I do not know of any production applications.

-Mark.
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post #6 of 6 (permalink) Old Sep 22nd, 03, 08:24 PM
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maybe we are confusing two different things here. I have 3 (one in the car right now, two on stands) 010-020 blocks. All are production blocks and all are from the early 70's. None are Bowties.

Royce (NO XQSSS) Bradley

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