Thread: 454 build - what intake and cam ?

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The numbers on that build look good. specially with the small 222 cam where the torque is prominent at the low and mid revs.

My big heavy 67 Impala, fully kitted out as a stock car with AC and all, will need the torque low down to move it hurriedly through city traffic.

That AFR head has 113cc chambers and my current 781s have 115cc chambers.

Could I possibly build my engine now, with that cam (they used the same intake as what I am planing on using) and use my heads with the pistons to 9.5:1 then later on if I feel more performance is needed, go to those AFR heads. The compression ratio will still be in the correct range.

What do you think techinspector1 ?

Originally Posted by ceejay

The numbers on that build look good. specially with the small 222 cam where the torque is prominent at the low and mid revs.
My big heavy 67 Impala, fully kitted out as a stock car with AC and all, will need the torque low down to move it hurriedly through city traffic.
That AFR head has 113cc chambers and my current 781s have 115cc chambers.
Could I possibly build my engine now, with that cam (they used the same intake as what I am planing on using) and use my heads with the pistons to 9.5:1 then later on if I feel more performance is needed, go to those AFR heads. The compression ratio will still be in the correct range.
What do you think techinspector1 ?

OK, with a 4.300" bore, 4.000" stroke, zero deck, Fel-Pro 1017-1 head gasket, 115cc iron chambers and pistons with a 15cc pop-up, your static compression ratio would be 9.62:1 and the motor should operate detonation-free on 91 octane pump gas, particularly with the tight 0.039" squish/quench afforded by the zero deck and 0.039" compressed gasket thickness.

With all same except 109cc chambers (non-cnc AFR chambers), SCR would be 10.12:1 and would work fine on 91.

With all same except 112cc chambers (cnc AFR chambers), SCR would be 9.86:1 and would work fine on 91.

If you did encounter a bad load of gas once in a while, you could fashion a water injection system from a windshield washer cannister and pump motor.....
https://www.youtube.com/watch?v=gwZ7ybtQnr8
You might want to turn the horrid music off in order to concentrate on the build.

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