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View Full Version : how much power 416, 440



400exJOE
11-19-2001, 03:20 PM
i want to bore my quad to 416 or 440 and put a cam in. Who out there has one of these setups and how much better than stock is it?

11-20-2001, 08:50 AM
More power and better than stock,,,exact figures,,,don't know,,,worth the money,,,yes.

knighttime
11-20-2001, 09:03 AM
I'll let u know soon. I hope to have it all together tonight and then break the mofo in on Turkey Day. Or if I stay out way too late on Wed night I'm gonna break it in at camp over the weekend. I'll be posting about it no later than Tuesday.:cool:

Stunz
11-20-2001, 12:20 PM
I look forward to your review of the JE416 upgrade.

I'll be doing mine over this winter.

11-20-2001, 12:31 PM
I think mine will be done by next wednesday,,,IF i get my rear shock back from Terry in time. I'll also give a review but I can't really do much since my back won't let me go to fast,,,but on pavement that should be a smooth ride,,,uh oh..just had a thought.:D

11-21-2001, 04:02 PM
I am upgrading my motor this week as well. Going to 11 :1 weisco (416), installing A - TC Racing GNCC National cam. and having some porting done by Bonz-eye Racing. And installing a timing advance key as well. Also putting in a dirt digger! I have DMC- duel on back order. Can't wait to run it. I will post the results!

11-24-2001, 07:49 PM
I ran my 416 yesterday and today. Big difference in the power. The bottom end was huge, I could lug up hill in fifth gear. the mid to top was boosted the most. This thing revs and has power now. I was still running a 14 tooth for the break in period. After putting the 15 toth on it was so fast. Fifth gear wide open and the motor felt like it could pull even taller gearing. throttle responce was real good. I love it