GRP... Engine... Thread...
#46
#49
Tech Master
iTrader: (39)
Joined: Jul 2007
Posts: 1,134
From: Colorado
Couldn't agree with you more!
One particular engine we mod, I've heard guys getting 10 minutes easily. Another guy gets what I get, around 8.5 minutes. The guys that are getting 10 minutes I noticed are on-road guys that seem to be very smooth on the throttle and smooth around the track...
One particular engine we mod, I've heard guys getting 10 minutes easily. Another guy gets what I get, around 8.5 minutes. The guys that are getting 10 minutes I noticed are on-road guys that seem to be very smooth on the throttle and smooth around the track...
With one weekend of testing I increased runtime on a 7 port by 1:30 minutes in vegas over stock.... just takes some knowledgable tuning, nothing special.... I doubt an out of the box 'any' motor would make the 11+ minutes you have to run in vegas to go without a pit.
There's dozens of variables that play into the runtime external of the engine...driver has a ton to do with it
I've got well over 10 mins on a 50+sec/lap open tracks all over the country with my Vspec...and thats at a good tune, not leaning it to meltdown. There's no 'miracle' engine, never has been, never will be. Practice tuning with a bit leaner bottom than most, a low idle and you'll find your not at WOT nearly as much as running a rich bottom / lean top like most everyone runs.
There's dozens of variables that play into the runtime external of the engine...driver has a ton to do with it
I've got well over 10 mins on a 50+sec/lap open tracks all over the country with my Vspec...and thats at a good tune, not leaning it to meltdown. There's no 'miracle' engine, never has been, never will be. Practice tuning with a bit leaner bottom than most, a low idle and you'll find your not at WOT nearly as much as running a rich bottom / lean top like most everyone runs.
#50
#52
hey, it maybe JUST a Ninja ........ But i like it. Needed a new motor and it fitted the bill. Came with a pipe etc in the box and i couldn't knock the price. It was easy to do the running in, tuned pretty easy although im still rich as just finished the first meet with it. It's as fast as anything else on the track and i was able to do 7min fuel stops with it rich. Didn't have any issue's with flame outs or it cutting out on me !! what more do ya want ?? I'm sure Ninja's are just the same ................
Rod
Rod
#53
#54
I hope we can get the non MR tuned versions as well for an even better price !!!
#55
i just happen to have a new ninja bo1a piston and sleeve set sitting in front of me and they are identical to the grp parts! i know the mrt ninjas had the epoxy filled cranks and magnesium heads, but what else was done to these engines?
#56
Yannick ran a 5.5mm restrictor, most of the top guys were going way down on restrictors because the track was very loose during buggy qualifying and huge power just made for a lot of wheelspin and slower lap times.
#58
I think the first Ninja sleeves didn't have any angled cut ports. I remember looking at mine when I had it apart, it it looked like just plain port cuts, no angled in cuts from the bottom. I also remember someone stating Jim at fusion said they were pretty rough cut also. Maybe the new sleeves have more work done on the ports.
#59
I think the first Ninja sleeves didn't have any angled cut ports. I remember looking at mine when I had it apart, it it looked like just plain port cuts, no angled in cuts from the bottom. I also remember someone stating Jim at fusion said they were pretty rough cut also. Maybe the new sleeves have more work done on the ports.



2Likes
major runtime !!! and screamin , oh buddy !!