Which motor mod should i get?

[timmy2424]

I have a 03 hayabusa motor in a Offroad race car. I cant use a turbo or nitrious for raceing so Im wondering what would be the best motor mod I could do. I need to keep or add low to midrange power because of the weight of the car. I also need it to be reliable as stock. I would appriciate any suggestions.

[fstbusa]

best bet is to go with big bore. 1397cc or bigger kit. with big cams and brock pipe.



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[Jay]

Do a 1507 kit. 1397 pistons and a 5 mm crank. Follow the link in my signature.

Jay

[timmy2424]

How much power gain will I get?

[fstbusa]

you'll be in the 220s I bet. Maybe higher if you're lucky.

[timmy2424]

How does the 1507 kit campares to a kit from Carpenter Racing? Carpenter claims 230 horse for $4800. They cnc port the cyclinder. Je pistions 1397 valves cams and clutch. I think the pistons. were 13to1. How does the price sound and would you do that verses strokeing.

[fstbusa]

1507 you will need a larger battery or more than one to crank that beast over. You may have a problem with overheating also.... I would do more research before committing to anything.