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Pro Cross 409 Big Bore Kit


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I'm figuring on a new top end this summer, when time permits. I'm gonna do some porting and I was thinking about a stroker crank, but don't think the money's going to be there. A friend mentioned a big bore kit. I found the Pro Cross 409 big bore kit.

 

What are the drawbacks to this? I was told when it wears out, replace it with a new sleeve, doesn't sound bad. Nice bore size using a 68m piston. How about overheating, don't have a problem now, but don't want one. Will it work with the Coolhead I have now? Big bore domes? The price is very correct and it gives me the chills thinking about it, but need to know more details. Also, what about adding the stroker crank later to the big bore? Please feel free to add any info you know but I didn't ask.

 

Thanks.

 

BTW, I'm ordering my axle this Thurs. so thanks for the help on my other post.

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Going with a big bore kit will make your tranfers in your cylinder too small. Some run good and some dont run worth crap. You might want to look into getting a crank instead. +7 is the biggest you can go with stock cylinders and that combo works really well.

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Anybody else think that there will be a problem running the big bore sleeve? I'm probably going to be adding a big radiator, which will help a lot. I'm pretty sure I'm going to give it a try good or bad, but want some experiences or opinions.

 

Scott

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