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I’m not on FB, so I don’t have access to the John Sears Ultra Street rules…. I spoke with him last year about it. He said to email him. I did, and never heard back from him…
Its one of my pet peeves…. Promoters that only use FB for their events…
Yeh, I know them both, but not very well. Hopefully I’ll run into one or both of them at PRI again next month.
I had heard that John Sears was talking about trying to slow the class back to the 60s range. Seems that adding weight is about the only way to do that now…
If you are at PRI Pete you should be able to get a handle on all of this, NMCA has a big booth and I'm sure you can get all your answers.
What size engine are you running again? Manna has taken advantage of the <365 cube rule for X275 and runs at 28xx raceweight. But of course that class is f'g fast right now, he's been 4.20@172.
Yeah no weight break for you if you go smaller cubes. Have fun at PRI.
If you are doing to run Xtreme Street you might want to take screen shots of stuff and go over it it Rollie Miller or the tech director if he's there, I don't recall his name.
Oh are you running a stock block? The NMCA class used to have a weight deduction for stock block, is it still in there? If you are still at PRI, look for Jason Terrell or one of the guys at TSR they build that orange 2nd gen for a customer and it had a stock block and they went 4.60's.
I had to leave early yesterday, so I didn’t get to reach out to anyone else. i don’t believe there is a weight break anymore for stock block.
I do remember reading about that 2nd gen going fast on a stock block.
there are a number of really fast stock block combos out there, but most of them are not a “rules based” build. The ones that are, are quite impressive and give me hope that I can get this thing down the track pretty quick.
Atco opens in March… I may get anxious and head south before that for some testing.
I decided to change up my fuel pump mounting and that required to move the alternator as well…
Motion Raceworks fuel pump bracket. Works fine with a motor plate.
Warspeed Driver side alternator mount. Doesn’t work well with a motor plate, but with a bit of parts from 4-5 different alternator mounting systems I’ve purchased over the years, I was able to get it in place.
Of course, this required redoing my steering shaft assembly. Had to put an intermediate joint in it and a support bearing. Because, nothing is easy…
I was talking to Manna last week and we debated a little if he were to run Xstreme Street. Would have to add alot of weight. My feeling is he will run X275 again this year, he did crack off a personal best of 4.20 last year and maybe with a converter adjustment he can get into the teens.
Yeh, the weight difference between X and Ultra/Extreme is rather, well… extreme…
X is 88mm and about 3000lbs or so..
Ultra/Extreme is 76mm and 3200lbs or so…
depending on a few little things…
It’s too bad NMCA doesn’t have a full time X275 class. I’d be happy bolting on an 88 and 200lbs to get beat up there vs bolting on 400lbs and keeping what I’ve got.
I’m struggling with the idea of bolting 400lbs to my chassis. I’m sure others do it, but it just seems sketchy to me.
11-16-2022, 04:41 PM
