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Re: Detroit 4-71
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Posted by buickanddeere on June 22, 2007 at 21:11:27 from (216.183.132.114):
In Reply to: Detroit 4-71 posted by Roy Suomi on June 21, 2007 at 20:55:46:
Would it be cost effective to convert the Ford gasser to an aftermarket closed loop fuel injection system? Mileage and drivability would be improved.
An detonation detector with auto timing retartd will allow tuning the engine to the very edge for max power & economy without suffering detonation damage.
In the mean time check the Holley for a power valve that has been ruptured by a backfire. They do get missed or damaged again on the very next backfire. There is a update to protect the power valve.
The power valve maybe opening too soon before the engine is heavily loaded. There are several ratings to choose from.
Reduce the acelerator pump volume until the engine is on the just a notch away from stumble when she's floored.
Is the thermostat a 195F unit?
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