760 with 35 cc domes

[Mouthfulloflake]

I think compression will be 200+

If I really dont do any WOT runs, will it live on 91 octane?

a thicker basegasket would help, but that negatively effects the ex port timing.

Ive read on here, that a 760 hits pretty good with LOTS of compression.

does that mean it has to have race gas too?

 

[Mouthfulloflake]

ahhh screw it, Ill buy the 40cc domes too.

 

[Kennay]

I'm glad you are asking all these 760 questions so I don't have to

Just call up Team Scream. Chuck and Radney seem eager to answer any questions I've thrown at them in great detail. Cool guys for sure.

 

[Mouthfulloflake]

yeah, ive done alot of reading and searching, and there is ALOT of info on 760s out there.

its just hard to deduce what is first hand experience, from what is second hand regurgitation.

 

[Kennay]

Damn straight!

 

[robertg]

A 62T or 64X 760 will will run on pump gas with 35cc domes. That's what I was running on that motor I just sold.

 

[Mouthfulloflake]

really?

what cranking psi was it showing?

 

[JonnyB]

I have a 64X

The head and domes are Riva
38cc = 150psi cranking
34cc = about 175psi on my motor

 

[robertg]

I thought around 175 psi. Remember a 760 exhaust port is a lot taller than a 701.

 

[Shonuff]

The 760 I rode was the best feeling power I ever rode with.

 

[Kennay]

The 760 I rode was the best feeling power I ever rode with.

What all was done to the 760? Bigbore 61x or a true 760?

 

[Mouthfulloflake]

since he was used to an SXR it was probably a 650 with 760 stickers.

 

[Shonuff]

It is Barb (YamaCat's) husband's 760 roundie.

I don't know much more.

 

[STEELDOGG]

What all was done to the 760? Bigbore 61x or a true 760?

That would be Ol' Silver he is talkin about
http://x-h2o.com/showthread.php?t=30118
When he rode it I still had mikuni 46's and a mikuni manifold. The 49 full specs and boysen mani. that are on there now are a huge improvement.
By the way, too bad no Shonuff at Daytona this year.

 

[Mouthfulloflake]

Ok, been looking around.

I can get 104 octane right down the road from my house.

would 104 octane be safe with 35cc domes on a 760 bore?

I might occasionally mix some 91 octane in, since thats all I can get close to the lake ( 45 minutes away)

but be really careful if I had some 91 in there.

oh yeah, I generally ride at 1120 feet above sea level.

I ask, this again, because, im reading conflicting reports of whats "safe"

 

[SUPERTUNE]

You can run 50/50 of race gas and pump super unleaded on 35 cc domes. Just make sure you don't have a stock cdi, you need at least an MSD Enhancer cdi set with std timing mark on the stator plate.

 

[Mouthfulloflake]

dangit..

thanks supertune..

im trying NOT to mess with race fuel though.

 

[STEELDOGG]

Go ahead and spring for the 35cc. I usually run 50% 93 oct / 50% 109 oct. I guess that's about 101 octane, mixed 40:1 klotz benol. I ran 93 oct with 35cc when I had a b pipe.

 

[Mouthfulloflake]

I already own some 35 cc domes, and some 40 cc domes, but the 40cc set is pretty dinged up, i dont think they are workable.

I can ONLY get 91 octane at the lake, and I can only carry so much 93 or 104 from town.

so I guess I need my junk to be able to run 91 occasionally with like NO WOT runs or something.

B pipe, msd enhancer, and I guess ill refrain from advancing the stator if flirting with deto is going to be an issue.

 

[njfl]

Mouth, how about these new 41.4 Team Scream pump gas domes?:

http://www.x-h2o.com/threads/30600

Make a fair offer if you're interested.