[TPR] JB 351C build info
John Bentley
gndplne at yahoo.com
Thu Nov 4 16:52:34 PDT 2021
It has taken a while, but I put together a list of parts for my engine. The short of it is; you can use your stock block, crank, heads, flywheel, vibration dampener, Pantera headers and still fit it all under the screen while making over 500 HP and have great efficiency.
Attached is a plot and a table showing AFR and BSFC. It is very efficient. Less than 0.3 at some RPM's!!! You can see the AFR is a little messed up but you can also see it in the HP plot around 4700. The imbalance on each side is due to the carb. I could not get a new carb delivered to the shop before it was removed from the dyno.
Stock Ford 4-bold main blockAll cylinders sleeved, Melling sleeves, standard bore
Lifter bores bushedOil restrictor kit installedStandard oil pumpIwis (Germany) double roller timing chain and gearsStock Ford 4-MA nodular iron crankFlat top Racetech custom forged pistons, 10.5:1Custom cam from Gromm Racing, 246/258 @ .050, 700 total valve lift, 112 LSAArmondo 10-quart oil panScat forged H-beam rodsStock Ford flywheel, external balanceStock Ford vibration dampener
Stock Ford 4V closed chamber iron heads, ported/flowedStainless roller rockersRocker stud girdlesPushrod guideplates
Blue Thunder low profile dual-plane intakeSmallish collector Pantera headersHolley 0-4778 700CFM carb (has some issues)MSD ignition91 octane pump gas
531HP, 477 ft/lb torque
Gromm Racing will sell this amazing cam if you have a similar build or can supply a complete engine. Give Semir a call for the details
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