The administration on this site, for some unexplained reason, allows only 30 minutes to edit these posts. Oftentimes, I spend an hour or better editing and changing the post so that it makes sense. I can't add to the previous post, so will just copy and paste the new results here. Disregard the previous post about the same information.
Crites has lots of parts for those cars, motor mounts and headers for 460 swap, etc.
Specialty Auto Parts For Sale - Crites Performance Parts - critesperformanceparts.com
Use these pistons....
Speed-Pro Hypereutectic Pistons ZH535CP - SummitRacing.com
With a set of D3VE heads from a 1973 or later 460. They have the large ~95cc chambers and will make ~9.59:1 SCR with the 4.2cc pistons. Avoid D2VE heads, they are open chamber and are pretty much junk, made one year only until Ford realized their mistake. Earlier small chamber, ~75cc heads from '68 to '71 will flow well, but are not fitted with hardened exhaust valve seats and the small chambers will make it difficult to build a motor with low enough SCR that will run on cheap pump gas.
Use this Crane cam with included lifters kit....
Crane PowerMax Cam and Lifter Kits 353942 - SummitRacing.com
"Excellent low end and mid range torque and HP, good
idle, daily usage and off road, towing, performance and
fuel efficiency, marine performance, mild supercharged,
2200-2600 cruise RPM, 8.75 to 10.5 compression ratio
advised."
This cam features a very low 2200 cruise rpm and should be an easy driver. Use Crane 96801 valve springs.
Crane Single Valve Springs 96801-16 - SummitRacing.com
Check main bearing bores for parallel and round. Align-bore or align-hone to correct. Cut block deck height to 10.291". Bore cylinders +0.060 to 4.420", using torque plates for boring and honing. cc the chambers and finalize them at 93/95 by cutting the head decks a little.
Use the hyper pistons with the 95cc heads to achieve a pump gas friendly 9.59:1 static compression ratio, right in the middle of the range called for by Crane engineers for this camshaft timing. Combined with the 35 degrees ABDC intake valve closing point of the camshaft, dynamic compression ratio would be 8.428:1. This reasonable DCR, combined with a tight squish of 0.050" (added 0.010" to the SBC figure of 0.040" to allow for the larger diameter piston rocking on its pin and the heavier parts) should make for a real nice street motor that will pull like Jack the Bear on crap pump gas without any detonation. Should be a whole bunch of fun with a Toploader 4-speed from 1800 to 5400 rpm's, even with a tall gear. Changing out the pig for a more performance friendly ratio will increase the grin factor.
'68 to '71 429/460 blocks were a little shorter on the block deck height than the succeeding '72 and up motors. Makes no matter, use any block you want and cut the block deck height to 10.291".
If you want to grind on the heads a little to improve performance, get in touch with Scott at this site. He is generally recognized as the top Ford iron head porter in North America. I'm told you can buy information (inexpensively) from him about where and how much to port the heads. Eastwood has all the burrs and rolls you will need.
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