05-24-2002, 08:46 PM
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CC Member
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Join Date: Jan 2002
Location: Northern California,
CA
Cobra Make, Engine: -Sold- Contemporary 427S/C # CCX-3152 1966 427 Med Rise Side Oiler, 8v 3.54:1 Salisbury IRS, Koni's.. (Now I'm riding Harleys)
Posts: 2,567
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Not Ranked
Pet Lizard.. Yea.. I like that.. Especially since I drive a Green car. My FE pushes really well until it stops at 124 mph at 5400.. I know I can build the SO for not much more than a nice Rolex.. A good deal less if I trade in my stock of Y2k assault weapons (the only stock I had last year that made anything)..
Octane boost? we have perfectly good AV gas at the airport down the street and my crop duster friends are only paying $3.50 a gallon for 108 octane in volume. That in a one to three mixture with 91 octane (the highest we can have here in CA) will get you 95+ octane which 12:1 will run fine on.. or one to one which will yield almost 100 octane... That nets out to between 2.30 and 2.63 a gallon..
The problem isn't hp or torque.. I have got enough of both in my 428.. it is rpm and particularly the ones over 5400 where my juice cam gives up. The first time I hit redline in 4th I thought I was starving the carbs by not having a hi flow fuel pump.. I put a Carter unit in and the same thing happened.. I checked the timing (again) and checked the MSD, then checked fuel pressure 8psi...
Only then did it occur to me that after about 5400 the 428 was a better anchor than propeller..
Maybe I just need a nifty five speed gear box.. (edit) I just did the math and with a Tremec gear box fifth gear at 5200 rpm gives a top speed on paper of 173 and change. Hmmmm...
Regards,
__________________
michael
A man that is young in years, may be old in hours, if he have lost no time. But that happeneth rarely. Generally, youth is like the first cogitations, not so wise as the second. For there is a youth in thoughts, as well as in ages... Sir Francis Bacon (1561-1626)
Last edited by SCOBRAC; 05-24-2002 at 08:56 PM..
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