C1 283 270 hp

[Duke W.]

Re: C/R For 64

Yes, that's the part number evolution, but without drawings or careful side by side comparison/measurements, we don't know what, if any changes, there were to the geometry that would effect CR.

Duke

[Clem Z.]

NHRA specs for 340-365 HP 1962-3-4

they all list the same piston,.122 dome,5.3 ccs. heads 1962 62.2 ccs,1963 59.2 ccs,1964 58.6 ccs

[Duke W.]

Re: NHRA specs for 340-365 HP 1962-3-4

Curious how the chamber volume went down in '63 with no changes and then again in '64 with the chamber radiusing for the 2.02" valve. I think there may have been some "specsmanship" going on to help racers get the highest CR possible.

Duke

[Dennis C.]

Roy, I deduct 500 points for comp gaskets... *NM*

[Clem Z.]

Re: NHRA specs for 340-365 HP 1962-3-4

the other source i have is i would guess SAE,because it list everything,cam specs,cam#,carb# etc, show the same ccs

[Duke W.]

Re: NHRA specs for 340-365 HP 1962-3-4

My copy of the '63 Corvette specs list TOTAL combustion chamber volume, but the head chamber volume is not listed.

Duke

[Clem Z.]

Re: NHRA specs for 340-365 HP 1962-3-4

mine lists 62.2 ccs head 4.72 ccs gasket

[Roy B.]

Re: Dennis sure you do, tire pressure too *NM*

[Michael H.]

Re: NHRA specs for 340-365 HP 1962-3-4

Clem,

That's interesting. I just learned something. I always assumed 62 and 63 castings were basically the same.

[Leon Brown]

Re: C1 283 270 hp

Thanks everyone, great info.
LEon