Surfriding What should I do next?

millnoff · May 25, 2015

I have an rn and I'm looking for a little more hit out of it, I think I have a pretty basic setup and it runs good I just need/want more lol.

I'm running a 62t 753, freestyle ported cylinders, and case, milled and moded head, by z force racing. B pipe with limited chamber and ported mani, fp water box, vf2 reeds, f/a's, stock 38s with primer, dual cooling, intake grate, carbon plate, 12/17 swirl, we pump cone, bored nozzel, and I think that's is?

I'm thinking either 44s or an enhancer? Maybe different pump setup or impeller? what do you guys think?

millnoff · May 25, 2015

forgot i have a lightweight fw in it also

Vortex · May 25, 2015

Cdi. Atp epix if you want adjustability. More timing down low will make that motor hit harder.

Dartman · May 25, 2015

62t 760 cylinder at 84mm bore?
was the cylinder porting done by z force?
was the cylinder lowered to lower exhaust port timing?
more ignition timing will help
aftermarket mikuni 44's or 46's work well

millnoff · May 26, 2015

Dartman said:
62t 760 cylinder at 84mm bore?
was the cylinder porting done by z force?
was the cylinder lowered to lower exhaust port timing?
more ignition timing will help
aftermarket mikuni 44's or 46's work well

Yup, he said 84mm leaves enough for one over bore if I need it. Z force did the porting of the cylinders case, and b pipe mani, along with custom cutting of a 64x head and re shaping of the domes. I forget the squish off hand but the compression is right at 175psi. I have been running it for the last 2 seasons and it had a ton of mid range just wish it had more down low. ( I know should have had the cylinder cut down or done a 61x top end but it's what I had).

Will and enhancer work for getting more timing down low? I don't want to really mess with a full programable style setup, seems like I'd be messing around with it to much for the short summers we have up here in mn.

Stock 44s work ok, or should I be looking for aftermarket carbs? And would timing or carbs help more? Wife just had a baby so funds are to short to do both like I would like to do.

Thanks for the input so far guys

millnoff · May 26, 2015

Or would my best bet be having my cylinders cut down and getting a new head?

Vortex · May 26, 2015

The enhancer gets you I think 24 degrees instead of stock 20. That's enough to make a noticeable improvement. Plus you won't be hitting the rev limiter.

ATP can set the curve up for you so you never have to mess with it. The adjustability is nice if u upgrade to another motor that can use more timing.

Dartman · May 26, 2015

enhancer is cheaper and more simple than a carb system
advance the stator 3-4mm if you not doing extended pinned throttle runs
lowering cylinder is done before porting
so could be a mixed bag results

Dartman · May 26, 2015

you might put on a ada head for a liitle more compression after the msd enhancer

millnoff · May 26, 2015

Thanks guys. I have thought about the Ada head too, but my current one seems to work purt good. with it being a 760 zforce said that was about 96 octane range already, I mix at 98 just to be safe. For how much I ride I guess I could go to like 37cc head and just run straight 100oct? the extra comp couldn't hurt I guess.

I've never messed with the stock stator, how hard/easy is it to move those?

millnoff · May 26, 2015

Nevermind searched it and found a lot of good info. Seems like it can be kinda risky to bump up on stock timing In higher rpms, not that I hold it wot for long but ya... I may try a few deg and mix the gas a little higher Octane just to try it out but

Vortex · May 26, 2015

Thats why you want an aftermarket cdi. They add timing down low to help pull the boat out of the hole and retard the timing at high rpm. No detonation worries.