Blown, injected, 4-valve CJ's at Ennis...
 

Two of the new Mustangs showed up at Ennis this weekend, and when the dust cleared on the qualifying, one was quoted as having run 9.794 @ 140+ mph. They were both entered in AA/SA.

Fascinated by those numbers, I decided to see what the online calculator had to say about the HP numbers.

This particular online calculator seems pretty close, however. any calculator such as this can't be really accurate. Nevertheless, this one (http://www.wallaceracing.com/Calculators.htm) said the numbers were as follows....

I entered 3,358 pounds and 700hp and got: "Your ET / MPH computed from your vehicle weight of 3,358 pounds and HP of 700 is 9.82 seconds and MPH of 136.38 MPH."



So, I entered 750 horsepower to see if I could get the mph up to what the cars really turned: The calculator says:"Your ET / MPH computed from your vehicle weight of 3,358 pounds and HP of 750 is 9.60 seconds and MPH of 139.55 MPH."

Looks like John Calvert might have been a little conservative when he estimated that with a "little tweaking" he could get 700 out of one of these motors.

Gonna be interesting to see what the Dodges can do....

Re: Blown, injected, 4-valve CJ's at Ennis...
 

................and you can hear a pin drop.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Did they REALLY go 140 mph?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

boy are they gonna pass me like im tied to a hitching post... hehehe

cant wait to dump my first one... boy i bet i can put him 2 cars out from mph cones to finish line :)

captain jack

topmustangstock... cmon dick, could ya give em somewhere else to race ?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Chris,
Yes, they really did go 140 mph, without a tail wind. The wind was actually cross/cross head.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Both of the '08 Mustangs at Ennis were SS/AA cars, with C-4's built by Len Schneider, a West Coast transmission/converter builder in Grass Valley, CA. The manual-transmission cars might go even faster; dunno...

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Just wait until someone actually blueprints one of them.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Craig,

I don't know whether NHRA has a handle on the drive pulley and blower pulley sizes, but if they don't, "blueprinting" will pale beside what additional boost from overdriving the blower can do for engine output.

Boost is addictive!!! :(

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Damn, that's fast.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

On almost ALL qualifying passes !!! 9.79 & 9.80......

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bill, they originally had Schneider C-4's in them, Rusty Hall had a problem @ Arizona Nationals. They now have JPT (Jim Pacquet) C-4's in them and are performing a lot better, i.e. 9.79 @ 140.17 at Dallas. They did break a imput shaft and I checked out the C-4 and loaned them another one (imput shaft). They are so quite you would think they had mufflers, but they don't. And they do get down the track very quickly.

R J Sledge

Re: Blown, injected, 4-valve CJ's at Ennis...
 

I am sorry but I dont think I would want to lock the brakes at 140 120s is hard enough in a Stocker, I really dont envy them.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Thanks for the info, RJ. I wasn't aware of the change in tranny guys. Sorry for the mis-information; Len's stuff is usually top-flight.

I guess when you start putting 700+ horsepower through a transmission designed for a Pinto, (LOL!) you can expect that it might have longivity problems.... :(

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bob,
Can you womp, womp, womp an injected supercharged car?

140 mph from the off-the-shelf CJs. The tricked out, down to weight CJs will be running 145 mph.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

What was my prediction? 9.45 @ 143 by the end of the season? Bruce, I couldn't find the post. Can you?
143 should be a 9.29 so I'm allowing for some inefficency.
Mainly because they can afford to be sloppy.
The Challengers will push the CJ's to let it all hang out. ;)

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Jeff,

I made a similar prediction during the Factory Experimental thread. And I remember your prediction as well. Do you remember which thread it was in? That would help. I think you can go into your own account information and retreive that post/information.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bruce, I stopped my project over a year ago, it may never be finished. I guessed it was going to be a joke with the CJs coming, now even the Mopar looks like another joke.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bill, when you started this thread , you stated that you used a weight of 3358 lbs. for your HP calculations. In another thread on this forum, titled "More enhancement", someone, who claimed to have been there when the car in question driven by Jimmy Holzman went across the scales, states that the weight was 3485 lbs. Try plugging that into your calculator; 127 additional lbs. should make a significant difference.
Bill Seabrooks - superfan1
Bridgeport, Ct.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Gentleman, I think NHRA will change Stock Eliminator to 1970 and newer vehicles before they move these Mustangs out of Stock!

Re: Blown, injected, 4-valve CJ's at Ennis...
 

I used an online calculator to run the numbers....
Weight 3485#
ET------- 9.79
MPH---- 140
It came out ....Rear Wheel HP....660.67
..........................Flywheel HP....734.08
The online calculator I used was http://www.wallaceracing.com/Calculators.htm

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Thanks, John
Bill Seabrooks - superfan1
Bridgeport, Ct

Re: Blown, injected, 4-valve CJ's at Ennis...
 

sonofabitch. we knew it would be coming. anyone know what the DA was?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Rtaylor,
The joke is on nhra. We don't expect them to change a thing.

John,
The rear wheel horsepower v. flywheel horsepower seem a little off. Check the Moroso calculator and see what you get.

Chad,
About 1,300'

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Wasn't Stinnett running 9:70's at Phoenix in AA/SA?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Craig,
When do you expect your's to be ready to test?
Jim

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bruce,
My ancient (yellowed) Moroso slide rule "Power/Speed Calculator 89650" says 730 HP at 140 mph for 3,485 pounds.

I don't think ANY of these calculators are dead-on accurate; too many variables, but they do give a ballpark figure that is good for discussion, I think. That additional (100+ pounds I added) weight was in deference to someone who said that's what they actually weighed at Ennis.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Bill,
My new Moroso has the number at 745 ish. I think all the calculators are within 1% to 2%.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Chad, my weather station was showing about 2200' when the one I saw go 9.7something @ 140 MPH. Don't know what the 60' was, but appered to me to leave a bit soft. Glad I don't run that class. Talking to Sonny Stancil, the new Dodge sounds dangerous too. 275 hp? Same as the LT1 factory rating, but with larger ports, 1000 cfm throttle body, etc. Going to be interesting for sure.

I know where one of those new blown Cobra Jet race cars is sitting close by here, but he likely won't let me put it on my chassis dyno.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

I'm curious what the Moroso calculator says for DeArmonds 9.71 @134.24 record or Ponds 9.68 @138.79 record ?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

http://store.summitracing.com/partde...5&autoview=sku

MOR-89650

That's the Summit part number for the latest (I assume) version of this old hoss...

The link, above, should take you to that Summit page. $8.95.

Think I'll order a new one; mine is about 40 years old, I think.... no kidding!

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Jim,

I'll keep you posted.

Craig

Re: Blown, injected, 4-valve CJ's at Ennis...
 

just curious.......I would hope someone would post when they get a heads race with one of these, as I want to know.........QUESTION ???

Your heads up, you cut a great light , have them by a full tenth at 660', do they make a 'whistling' sound when they blow by you?

Re: Blown, injected, 4-valve CJ's at Ennis...
 

A/SA,
I'm not sure that Moroso can offer much help for those numbers because they were set at a heavily factored track. But, lets give it a try. What did the cars weigh when they set the records? Not what you think they weighed. The actual weights please.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

I have no idea of their weights on the record runs as I live on the east coast The camaro should be 3400ish if he can get to minimum. I also don't know if the Ford was running the 2 x 4 combo or 1 x 4 combo ? I was just curiious is all.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

I think Fords idea behind this was to produce a car that you could run stock, superstock, AND super gas all at the same race, driving it off the showroom floor.............. Nice job Ford.

Re: Blown, injected, 4-valve CJ's at Ennis...
 

Yeah, Kevin; just don't forget to disable the active throttle stop when you're through running Super Gas.... lol!

Re: Blown, injected, 4-valve CJ's at Ennis...
 

The fomula i been using for a long,long time says 625...comparing dyno sessions and et's it have showed it a little conservative...so it's probably closer to 640-650 ...that is 134+ on the score board and minimum weight ofcourse..

Re: Blown, injected, 4-valve CJ's at Ennis...
 

What is a "BOGUS" track ???

Is a track "BOGUS" because it happens to have GOOD AIR ???

I shouldn't reply to someone with a BOGUS name...... :-(

Re: Blown, injected, 4-valve CJ's at Ennis...
 

no, a bogus track is one where they subtract .4 from your ET and give you the record for it, even if the actual DA is sea level at the time

Re: Blown, injected, 4-valve CJ's at Ennis...
 

As a point of reference Erich Bollman ( AA/SA '08 Mustang CJ ) qualfied # 16 at Atco -(remember, this is 1/8 mile) - 6.162 -.868 under . Also he went Top Speed of the event @111.86 MPH .I have no idea what his weight was on those runs .Carry on ..............