Quote:
Originally posted by Rufus
BTW - My Ford SVO catalog shows the SVO 351 blocks have 2.749" dia main bearing journals compared to 3.0 for the "street" blocks. Although unstated Pete's answer probably only referring to the street blocks.
Bob
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The Sportsman/SVO/FRPP (or whatever they're calling it this week) block (Part # M-6010-N351 to be specific) does have smaller mains - that's why I said it'd be the way to go if your wanting a high RPM motor. Here's the description of that block from the FRPP web page:
Cast Iron block material
*9.500" nominal deck height
*434 CID capacity
*Non-Siamese cylinder design
*4.000-4.030" cylinder bore range
*Wet
oil sump design
*2.7490" crankshaft journal diameter
*Four on 2,3,4 main cap bolts
*Nodular iron bearing cap material
*4.250" recommended max. stroke
*750 recommended max. HP @ 8600 RPM
*One piece rear crankshaft seal type
*Std cam bearing design
*Block
oil filter mount
*Can be bored/stroked to produce 434 cu. in.
*Weighs approximately 205 lbs
*Circle track and drag racing
*Semi-finished lifter bores and main bearing bores must be honed to fit
351 Ford Street/Strip, 9.500 deck ht
Pete