From: Dennis Antenucci <itbewild@gte.net> Subject: Re: Best 351C? Date: Mon, 8 Dec 1997 21:51:55 +0000 ![]()
DeTomaso Mailing List: December 97, Message #103
![]()
![]()
![]()
![]()
![]()
Reposting...didn't go the first time, > > YO People, > Shane Ingot wrote; > SNIP > > It's a little quiet out there Mad Dog...Please post something mate! > Okay, now we're talkin Shane'! See Curt...Nanananana on you! Pulled a old Super Ford article by NHRA engine builder Kip Martin outta POCA from a couple years ago that some of you Newbe's may not of seen before. I'll summarize... > GOOD 351C > For street, use Aussy 2-V heads. they give better overall torque from > idle up to 6000rpm. A 351C with Aussie 2V heads, solid lifters and a > Performer intake can make 400 ft/lbs at 4500 rpm and 400 hp at 6000 rpm. > > BETTER 351C > For higher RPM usage with morre compression, uuse more cam and 4V closed > chamber heads with port plates until you start breaking stuff. The plates > pick up the velocity without killing any flow, and help broaden the > torque range. the block will split a cylinder before you quit making > power...another reminder to "sonic test" these thin blocks is always > money well spent. > > BEST 351C NEVER BUILT > This is an easy one: the 400M engine with 4V closed chamber heads. All > the parts exist to build this engine, manifold spacers that allow the use > of of 351C manifolds, camshafts and off the shelf racing pistons because > the compression is the same. The big stroke wakes up the big ports, and > one of the few racer's I know that has raced this combination was using > 12:1 TRW pistons. > > BEST 351C* > Heavily modified steel 4V closed chamber heads that Glidden, Roush and > others ran using relocated and filled intake ports and raised exhaust > ports. "Dyno Don" Nicholson showed us his notebooks which revealed flow > bench figures superior on the old, heavily-massaged all steel Cleveland > heads when compared to the modern canted-valve SVO parts!!! > A long time 351C racer in Texas (Must Be Kirby!) showed me the most > reliable cheap engine combo I know of: offset grind the crank down to a > 3.400-inch stroke, bore the block .020 inch over and use a 5.85-inch > aftermarket aluminuum rod, along with the Manley hollowdome pistons they > used to build for the 351C. These were off-the-shelf parts at the time, > and with the shorter stroke and longer than stock rod, the lightweight > components would allow the rotating assembly to be internal balanced with > very little tungsten heavy metal. I have seen one experienced racer and > engine builder that has run this combination over 9000 on a regular > basis. > > Okay, DaveW., JackD, and others...start your engines. Everyone has some > variation AND an opinion of the above that works for you. Share it with > the unenlightened. > Do it or die! > > Mad Dog, IRA