I Want a 5.25" Crank Pulley
- Thread starter Noobz347
- Start date
Are they even in business anymore? Their website appears to be broke.
Ford - Auto Specialties Performance - Quality Performance Products
What do Underdrive Pulleys do? Underdrive pulley systems increase engine horsepower by reducing the amount of power required to drive external engine accessories. For example, the alternator, power steering, water pump and air compressor rob horsepower from the engine. By replacing factory-sized...
www.autospecialties.com
For a 302 Windsor Serpentine drive. Where can I get one?
Closest you’re going to get I think
I don't know what they are measuring.
Isn't the OEM crank pulley 4.375 inches?
marchperformance.com
Isn't the OEM crank pulley 4.375 inches?
Small Block Ford Performance Ratio Serpentine Crankshaft Pulley
Performance Ratio Serpentine Crankshaft Pulley for Small Block Ford Engines
marchperformance.com
85GTStangGuy
5 Year Member
Bleh!
Those are the opposite of what I'm actually looking for.
So... If the stock crank pulley is 5.791 then the one I'm looking for would be 6.949" (+ 20%). I'd call it even at 7
The plan is to overdrive the crank and underdrive everything else so that I have even more 'belt real-estate' for the Kenne Bell.
85GTStangGuy
5 Year Member
I know you've determined that you are no longer desirous of a smaller diameter crank pulley....
but, for future reference, in case anybody is interested in the ASP crank pulley, LMR sells it....
The setup I have now with the stock crank pulley works pretty well but I can tell that it slips on occasion. I'd like to go to a larger crank and blower pulley then I'll just reduce everything else with a set of off-the-shelf underdrive pulleys.
Yes . So the closest I think you’re going to get to what you’re looking for is a 96 f150 5.8 crank pulley , from what I see that is 6.5 or a hair over 6.5 inch dia
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Mine!
I'll holler back once I get it and get muh peeperz on the alignments.
I hope it works out !!!!Mine!
I'll holler back once I get it and get muh peeperz on the alignments.
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So, I got my pulley. The outside diameter is def larger. I cannot do a side-by-side eyeball or comparison with my shroud and all the accoutrements in the way. So, no pics yet.
I can't verify the belt lineup either.
I can say that it [looks] like should work.
and look!
Ford - Auto Specialties Performance - Quality Performance Products
What do Underdrive Pulleys do? Underdrive pulley systems increase engine horsepower by reducing the amount of power required to drive external engine accessories. For example, the alternator, power steering, water pump and air compressor rob horsepower from the engine. By replacing factory-sized...
www.autospecialties.com
Their site is back up.
I'm going to do that math and get as close as I can at turning the alt and WP at OEM speeds. I guess the power steering and A/C are just going to have to hold TF
on unless...I'll have to check on those pulleys from an 87-96 Ford F-150.
Might just be another bolt-on affair.The important question is (after get this all mocked up and see if it even works etc...): I wonder what color I'll paint them.
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