1pc Seal vs. 2pc Seal - Team Camaro Tech
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post #1 of 5 (permalink) Old Feb 18th, 10, 07:09 AM Thread Starter
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Charlie
 
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1pc Seal vs. 2pc Seal

I have a question about the blocks on these 2 setups. If I am building a motor from scratch, is the only difference in parts between these 2 blocks the rear main? What I mean is, if you already have a 87-on motor and you replace the intake, you must use an intake from that era due to the inner intake bolts because the heads require it, but if you use a block from 87-on and heads from an earlier setup and the intake, then you should be good, right? The block itself isn't different from the earlier blocks, right, except for the LT-1 blocks, but I am talking about just a standard 87-on block. I have AFR 195 heads, but they were bought for an earlier block, but if I build a motor from the ground up, I should be able to use earlier heads/intake on a 87-later block, right? Thanks.

Charlie Knudsen 67 Camaro RS/SS 350 TKO 600, 4.10's, AFR 195 Street Heads, Comp 270H, Rhoads Lifters, Crane Ignition, Pertronix Dizzy, Performer RPM Q-Jet, Heavily Modified Q-Jet, Hooker Comp Headers, MagnaFlow 2 1/2", 144 Decibles(Alpine CDA-7998 Head Unit, RF X7 and RF 750X Amps, MB Quart Mid's & High's, Kicker L7 12" Solo Barics)
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post #2 of 5 (permalink) Old Feb 18th, 10, 07:14 AM
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John
 
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Re: 1pc Seal vs. 2pc Seal

Yes you can use your heads on a one piece seal block, just like the vortec on an old block.
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post #3 of 5 (permalink) Old Feb 18th, 10, 10:19 AM Thread Starter
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Charlie
 
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Re: 1pc Seal vs. 2pc Seal

Thanks. I thought it was that way, but I wanted to get an answer from someone with a little more knowledge.

Charlie Knudsen 67 Camaro RS/SS 350 TKO 600, 4.10's, AFR 195 Street Heads, Comp 270H, Rhoads Lifters, Crane Ignition, Pertronix Dizzy, Performer RPM Q-Jet, Heavily Modified Q-Jet, Hooker Comp Headers, MagnaFlow 2 1/2", 144 Decibles(Alpine CDA-7998 Head Unit, RF X7 and RF 750X Amps, MB Quart Mid's & High's, Kicker L7 12" Solo Barics)
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post #4 of 5 (permalink) Old Feb 18th, 10, 10:25 AM
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Mike
 
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Re: 1pc Seal vs. 2pc Seal

One other important difference is that most of the one piece rear main seal engines are set up to take the spiders for the factory hydraulic roller lifters - which are much less expensive than the retrofit hydraulic roller lifters.

Mike - '68 Camaro with lots of stuff done to it.


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post #5 of 5 (permalink) Old Feb 18th, 10, 12:04 PM
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Re: 1pc Seal vs. 2pc Seal

That's exactly what I did. I bought Trick Flow heads and Air Gap intake to do up my old 327 and then found a ZZ4.

67RS-zz4 w/ trickflow heads 276hr cam air gap 780 Pro Systems TexRacing 4spd AGR steering SCAT procars 12 bolt eaton posi 3.73's SSBC all around, TT2's Dakota Digital Painless DSE hinges


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