05-27-2006, 11:02 AM
|
|
CC Member
|
|
|
Join Date: Feb 2004
Location: Outside Miami,
FL
Cobra Make, Engine: Several
Posts: 949
|
|
Not Ranked
58mm on a '289'
Ant
The Indy '289' is another whole kettle of fishes. Of course, it was really an all aly 255 in2 DOHC and turned perhaps 8000+rpm in good fettle. The 255 was also used in the initial GT40 MKI's, but was replaced rather quickly with 'normal' 289's because of poor torque coming out of corners, wacko costs and fussy to maintain...
That engine, no normal SBF, was no streeter or road racer with the 58's. If the rpm dropped under 4500 it was in big trouble. But, it could draw enough from 58's to work nicely at high rpm on an oval as long as speeds didn't get too slow.
My guess is that a modern stroker W with the best hi-flow heads available would 'use' the 58's to better effect, but it will take some work to get them to transition nicely and come off the line without popping/leaning or loading plugs at idle. Those sewer pipes aren't going to like just-off-idle air flows and will even make starting a pain on a small displacement engine.
Given that someone could do that work, wouldn't they be great lookin'?
__________________
"A free people ought not only to be armed and disciplined but they should have sufficient arms and ammunition to maintain a status of independence from any who might attempt to abuse them, which would include their own government."
George Washington
|
Threaded Mode
