Engine decoding for an outsider...CRV in a 72 C10 truck - Chevelle Tech
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post #1 of 11 (permalink) Old Sep 12th, 10, 8:51 PM Thread Starter
Derek
 
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Engine decoding for an outsider...CRV in a 72 C10 truck

Last week I purchased a 72 Chevy C10 PU that was advertised to have a "Corvette crate engine L88 454" in it. As far as I can tell, the L88 was only a 427, but that's beside the point. When I pulled the engine code from the front of the block and looked it up, it appears as though my engine is from a 70 Chevelle, and I was just wondering if I can get some more info from the people on this forum about what exactly I have. The numbers are T0114CRV and 10R214919. Also, the intake manifold number is 3963569 with the W snowflake.

Any and all info is appreciated...thanks in advance!

Last edited by shiner2001; Sep 12th, 10 at 9:14 PM.
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post #2 of 11 (permalink) Old Sep 12th, 10, 9:45 PM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Welcome to TC.
1970 LS-6 that was assembled in the Tonawanda engine plant on January 14 ,installed in a Chevelle built in Arlington,TX.
If it were a crate engine the code would be different from the CRV.
Front of the partial VIN shows:
1 = Chevrolet
0 = 1970
R = Arlington,TX
214919 = assembly sequence.

3963569 = 396/402/454 70-71 Holley Rectangular port Aluminum Low rise L-78/L-89/LS-6
W snowflake is Winters Foundry that cast the manifold.
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post #3 of 11 (permalink) Old Sep 13th, 10, 8:46 AM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

The L88 was a 427 not a 454. The LS6 is a 450 HP engine. the L88 was rated at 430 HP (more like 500+). The LS6 has better street manners (hydraulic lifter cam rather rhan a solid) than a L88 so you're better off with that for a street driven truck.


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post #4 of 11 (permalink) Old Sep 13th, 10, 2:37 PM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

I'd say the moter is worth as much as the truck to some one doing an ls-6 car.

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post #5 of 11 (permalink) Old Sep 16th, 10, 6:18 AM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Quote:
Originally Posted by animal69 View Post
The L88 was a 427 not a 454. The LS6 is a 450 HP engine. the L88 was rated at 430 HP (more like 500+). The LS6 has better street manners (hydraulic lifter cam rather rhan a solid) than a L88 so you're better off with that for a street driven truck.
The LS6 had solid lifters - hence the no A/C option on LS6 cars. The LS5 had hydraulic lifters.

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post #6 of 11 (permalink) Old Sep 16th, 10, 9:43 PM Thread Starter
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Quote:
Originally Posted by davewho1 View Post
The LS6 had solid lifters - hence the no A/C option on LS6 cars. The LS5 had hydraulic lifters.
The truck that I got the engine is has AC, but I guess that was just transferred over from the original big block that it came with (400).
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post #7 of 11 (permalink) Old Sep 16th, 10, 10:19 PM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Quote:
Originally Posted by shiner2001 View Post
The truck that I got the engine is has AC, but I guess that was just transferred over from the original big block that it came with (400).
I 'guess' so, since a 454 wasn't available in a C10. Anyway the Big Block for a '72 C-10 was a 402 (the VIN code would be "E" if that was the case). And, a CRV 454 was a ONE YEAR ONLY engine available ONLY in a '70 SS Chevelle. If you could find the owner of the car with the stamped VIN, the engine would be worth FAR more than the truck. Oh, and its NOT a "crate engine" it was delivered in a car.

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post #8 of 11 (permalink) Old Sep 17th, 10, 7:51 AM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

For those who might be wondering why Chevrolet did not have A/C on a LS6 or any other mechanical (solid) lifter (L78, Z28) engines. Reason was they turned too high an RPM and the A/C compressor was not designed to run at those rpm's.
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post #9 of 11 (permalink) Old Sep 17th, 10, 9:07 AM Thread Starter
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Quote:
Originally Posted by elcamino View Post
For those who might be wondering why Chevrolet did not have A/C on a LS6 or any other mechanical (solid) lifter (L78, Z28) engines. Reason was they turned too high an RPM and the A/C compressor was not designed to run at those rpm's.
Should I run a larger pulley on my AC in that case? Or I wonder if a new compressor would handle it alright...
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post #10 of 11 (permalink) Old Sep 17th, 10, 10:16 AM
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

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Originally Posted by shiner2001 View Post
Should I run a larger pulley on my AC in that case? Or I wonder if a new compressor would handle it alright...
I wouldn't waste your money,just don't crank it to 6k+ with the ac on.

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post #11 of 11 (permalink) Old Sep 17th, 10, 10:20 AM Thread Starter
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Re: Engine decoding for an outsider...CRV in a 72 C10 truck

Quote:
Originally Posted by DougA View Post
I wouldn't waste your money,just don't crank it to 6k+ with the ac on.
Yep, that makes sense too

Cart's ahead of the horse right now anyway, AC needs charging before I can use it in the first place.
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