I need Crankshaft help please!
 

I purchased an 03 Mach 1 recently with a knock coming from the engine. While in the process of rebuilding the engine I found that it had spun a bearing. I took the crank to the machine shop and he found a crack so it is worthless. The problem is that they no longer sell the forged 8 bolt crankshaft to my knowledge. What is the most cost effective solution to this? Will a cast crank work with my 5 speed if I try to keep the RPMs under 6,000?

Re: I need Crankshaft help please!
 

I believe there are 2 aftermarket suppliers for the forged crankshafts - eagle and pretty sure Manley just released one.

Re: I need Crankshaft help please!
 

Might be worth it to buy a full stroker kit.
Buy yeah Manley just came out with a new crank.

Re: I need Crankshaft help please!
 

Is forged the only way to go?

Re: I need Crankshaft help please!
 

if you were ever gonna build it for anything, yes. Just basic bolt ons (no nitrous or blower) Id have to image a cast would be fine.

Look around for a Cobra crank. I've seen them pop up for $400 or so.

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Re: I need Crankshaft help please!
 

I'd go stroker :)

Re: I need Crankshaft help please!
 

go forged and upgrade the rods and pistons while you are at it; may as well go stroker at that point. :) I like mine. :COOL: