It is a monster in buggy however, I love my P5. I ran one for 2 years in a buggy until I finally used it up. I then switched to a +4 in hopes of some more run time. I like the +4, was tougher to break in and has pretty good power, not a monster. I just picked up another P5 for a back-up and club race weekends. Will save the +4 for those bigger events. If you run the P5 in buggy, go with the white 6mm restrictor.

Hey Guys/Gals,
What are the tell tale signs of an old plug that needs replacing?
Also I've had the car stall a couple times when stuck against something waiting to be marshalled (not upside down), Also after restarting the car and blipping the throttle it can stall, any thoughts? From MX experience I'd say low speed mixture, but this is my first Nitro (Nero Toro).

Thanks,
Michael.

Plugs are a regular thing to replace. If your engine is tuning well, stalls a lot, and if you hold the glowplug on an ignitor and it doesnt glow bright means you need a new plug.

Maybe your idle is too low, or low speed too rich.

Replace the plug first and see if that will solve your problems.

Teufel - Always got a good thing to say.

Well, I just stripped the threads on the crank on my Werks .28. I actually started
to get the tune to work out. Temps were coming down a bit. Then, the clutch bell let loose. The nut stripped the first 3 or 4 threads on the shaft. Man.. That engine was really getting crazy low end.

So. I am planning to put the P5 in. I didn't want to because I wanted to finish getting the .28 running right. Anyway. I guess I'll have to not break it in.

I'll let you know how it goes.


BTW - After all the mod work, need I flush the engine out and seal it. This is my first Nova Rossi. Are they pretty much set to run and no engine sealing is needed??

Has anyone tired the Nova Rossi Roma .25 in a truggy???

YES !!!!

very nice engine

I second that notion

Roma is ridiculous , will not be easy on the drivetrain!

Well, how does a Houston Mod P5XLT compare?? (Thanks Monte)

For a truggy??

tell me about it...

Hi. will the Roma be any different on the drivetrain than a .28 engine??

Thanks

i could be wrong I'm no expert but the .25 and .28 doesnt get good fuel mileage

ummh.. its all driving and pipe choice.. i was able to go 9 dry on my stock .25 with 2096/21 combo.... which is good for a 7.5 pit stop in my neck of teh woods... i will try the new carb on it.. next season see what that does...

on my X7 same track i was able to go 10.5 with fuel in the tank

i had a OS 28 that i was able to go 9 on also with fuel remaining... but that one was modified... and man did it run great...

I still run the Toro Nero in my truggy but will try a Roma next. The Toro has spoiled me

i love working with the p5 style engines , they run pretty dam good , need a few upgrades from box stock but still a great engine , they do have a better front bearing in them these days though

kijana knows first hand

the roma has BIG balls , decent run times but not a 10+ engine for the most part