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471 hp and fuel consumtion differences

M

mikeytheriot

Member
I need to know what is the dif

I need to know what is the difference in fuel consumption between a 4-valve head with n-60's and 2-valve with n-60's on a 4-71 and horsepower difference. 1 mech 2 another'thanks
 
I'm not sure about the fue

I'm not sure about the fuel consumption.

471 2-valve N60: 128HP @2100RPM
471 4-valve N60: 140HP @2100RPM
 
"I have a 4-71 serial 4A021787

"I have a 4-71 serial 4A0217879 and Model: 0435000. Jimmy, I looked on a previous info you gave and saw that it was a 4 valve but was wondering what year this engine is?"
 
Would there be anyone who woul

Would there be anyone who would know where I can get a fiber clutch disk for the detroit 4-71. It has a hand clutch attatchment and the fiber disk (78 teeth) needs replacing.
 
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