72 Mach1 Romp
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@guitarman2116 you must not no very much about clevelands then. there is no stock 289 , not even the 271 horse k codes that stand a chance against a 4v cleveland. they have crazy amounts of torque , and stock 4v cleveland heads outflow almost all big block chevy heads stock. show me a stock 289 head that does that
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hope you have a tachometer. My buddy blew his motor going 120 mph in a 73 351 CJ. Now it's rebuilt with a msd rev limiter haha
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You should take it off the jackstands next time and see what it will actually do on the road...
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@guitarman2116 not-
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older 289's would walk all over that thing
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192 para ser exactos esta muy bien tu mustang mach
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that's with the 100mph speedo right? I don't remember when they switched to 85 but i think it was 77
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ive got a 76 supercab pickup with the square speedo...Top end it bounces around between the 30 mph and 40 mph...any faster and the valves float.(and my ass puckers!)
thats right
Rixterkat 2 years ago 3
I have had mine to 136 measured mathematically based on RPM, tires, gear ratio. It will be able to exceed 150 in about 6 months.
kblackav8or 2 years ago