Finally broke into the 10s

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Old 10-03-2017, 01:39 PM
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It's about time they allow a manual.
Old 10-03-2017, 03:18 PM
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McLeod RXT but they may change I keep wiping out the splines on the input
Old 10-04-2017, 10:29 AM
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Originally Posted by weedburner
Here's some links to the current rules...
http://www.nmcadigital.com/dl/rules/cps.pdf
http://www.nmradigital.com/dl/rules/cs.pdf

The discontinued sealed Coyote engine is allowed to run @3000lbs, it needs the weight break to be competitive with the current Coyote which runs @ 3175lbs.

Discontinued Coyote currently runs at 9.93 lbs/ci
2015-up Coyote currently runs at 10.51 lbs/ci
DR525 LS3 currently runs at 8.51 lbs/ci

The most popular transmission used in Coyote Stock is the GForce G101A. Chevy Performance Stock is allowed to use that same transmission/ratios, also allowed to use the exact same clutches that the Coyotes are using.
From what I understand though is the coyote stock record holders are the 3000 lb cars
Old 10-04-2017, 03:21 PM
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Old 10-04-2017, 08:34 PM
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That's a lot of wear. I assume that's just because its an unsprung hub.
Old 10-04-2017, 08:44 PM
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Originally Posted by SLP IROC-Z
Just wondering what injectors you are running?
Old 10-04-2017, 09:41 PM
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Originally Posted by nmass399
That's a lot of wear. I assume that's just because its an unsprung hub.
Yeah the hubs are not sprung
Old 10-04-2017, 09:41 PM
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Originally Posted by handyandy496
Just wondering what injectors you are running?
Ls3/ls7
Old 10-05-2017, 04:51 AM
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Originally Posted by SLP IROC-Z
That sucks
Originally Posted by nmass399
That's a lot of wear. I assume that's just because its an unsprung hub.
My splines don't look like that after 40k+ miles with a unsprung hub. They look new . Idk what's goin on there. I've never seen splines wear like that.
Old 10-05-2017, 11:25 AM
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I've lost 2 inputs in a short amount of time. I leave @ 7000-7200 with my foot to the floor. Seems like the stock input can't take it
Old 10-05-2017, 01:21 PM
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Would be nice to know what is causing that before you switch to a different clutch. Curious if a small alignment issue with the bellhousing can cause this. What does the splines in the hub of the disc look like?
Old 10-05-2017, 05:18 PM
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pounded down to sharp points
Old 10-27-2017, 03:50 PM
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Originally Posted by nmass399
Manuals are legal now in Chevrolet performance stock
And despite all the talk from the peanut gallery about how they needed to have sticks in the class, not one stick racer showed up all year.
For this past year CP stock was at 3200, coyotes were 3000.

If any big talker stick guys ever show up, the autos will be left in the dust and the class will run 9s.
Old 10-27-2017, 05:41 PM
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Originally Posted by Scram Speed
And despite all the talk from the peanut gallery about how they needed to have sticks in the class, not one stick racer showed up all year.
For this past year CP stock was at 3200, coyotes were 3000.

If any big talker stick guys ever show up, the autos will be left in the dust and the class will run 9s.
The discontinued '14 and earlier Coyote sealed engine ran at 3000 this year, but the current '15 version had to run at 3175.

I'm interested to see what CP Stock stick guys might come up with for the clutch to compete with Coyote Stock at the NMCA/NMRA Superbowl, as they both have the same 10" minimum disc w/ diaphragm PP rule. There was a rules clarification for both CPS and CS mid sept that specifies foot release of the clutch pedal with no electronic, hydraulic, or pneumatic device allowed. The result was near mutiny in the CS ranks when they found they could no longer use the ClutchTamer to control clutch lockup. After an emergency meeting the next day, CS rules got another addition to specifically allow use of the un-modified ClutchTamer. Likely since there were no CPS racers using the ClutchTamer at the time, their rules didn't get the same added ClutchTamer update.

Grant
Old 10-27-2017, 05:51 PM
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Well that ******* sucks. Why is it the furds alwats seem to come up with a rules advantage. You think your coyote is as good....make it weigh the same. Don't let one have a slipper device and the other not. It just turns the whe mess into bullshit then.
Old 10-27-2017, 10:25 PM
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The coyote needs the break in the rules to have the advantage though
Old 10-28-2017, 12:29 PM
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Originally Posted by HioSSilver
Well that ******* sucks. Why is it the furds alwats seem to come up with a rules advantage. You think your coyote is as good....make it weigh the same. Don't let one have a slipper device and the other not. It just turns the whe mess into bullshit then.
Both CPS and CS could use the slipper device until the 9/12/17 rules clarification. As far as I know, no CPS cars have ever even attempted to use it.

The engine in this car isn't CS legal, but it's using the typical CS legal ClutchTamer controlled RAM diaphragm clutch. Notice how far the clutch is able to slip off the line without going up in smoke down the track...

Launches so high it doesn't sound like it needs a 2-step, note the 4 lug axles. Launching that high with the typical counterweighted clutch setup (like most of the rest of the class racer world uses) likely would not end well.

Grant
Old 10-28-2017, 11:52 PM
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Originally Posted by Scram Speed
And despite all the talk from the peanut gallery about how they needed to have sticks in the class, not one stick racer showed up all year.
For this past year CP stock was at 3200, coyotes were 3000.

If any big talker stick guys ever show up, the autos will be left in the dust and the class will run 9s.
One guy I know of for sure will be out with a stick car next year, I heard of one other but don't know any information about he/she. I don't think the manual trans competitors will come out running super fast times right off but eventually they will get there. I have no clue on how much faster they will be. I honestly think there will not be a large gap in et's. I was told that the Nmca will add weight to the stick cars if need be.

I was willing to run the class initially but when they decided not to allow manual trans then that was it for me. Cost was a major concern for me. Others that would have ran the class moved on also.
Old 10-29-2017, 04:35 PM
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Yea they screwed it around from the start. A guy is gonna spend alot of $ to build a car and go to the races. By not allowing sticks in it they let the cs class get a leg up. Now those guys will be behind the curve and it seems the rules will try and keep them there.



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