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-   -   2015 Mustang Ecoboost K/SA? (https://classracer.com/classforum/showthread.php?t=70169)

ALMACK 06-20-2018 07:58 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by 6130 (Post 565762)
I think some of them run quicker than that.

And I strongly suspect that on race gas, with open headers, a loose converter, 4.56 rear end gears, and lightweight drag racing brakes, that the index should be much more attainable.
Be a rough drive to and from the track tho....lol

6130 06-20-2018 08:05 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by ALMACK (Post 565771)
Be a rough drive to and from the track tho....lol
Yup.

I mean, the converter would have lock-up, and the transmission has two overdrive ratios, but dang...

6130 06-21-2018 01:41 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Can I get clarification on the Cobra Jet issue?

In sifting through the Stock Classification Tool, it appears that the Cobra Jet is listed as distinctly different vehicle than the regular Mustang- the Cobra Jets are listed with their respective engine(s), the Mustang GT is listed with it's respective engine(s), and the base Mustang is listed with it's respective engine(s), and I'm not finding the 2.3 Ecoboost or 3.7 V-6 engines listed as being eligible for competition in any Cobra Jet.

Can somebody clear this up for me?

GUMP 06-21-2018 01:50 PM
Re: 2015 Mustang Ecoboost K/SA?
 
The main difference between a Cobra Jet and a base Mustang is the motor combination. The way that the rules are now there is really nothing else except the weight breaks. Maybe the hood?

GUMP 06-21-2018 01:52 PM
Re: 2015 Mustang Ecoboost K/SA?
 
To make my COPO into a Camaro we built the right motor, put the cowl stuff in, and installed a flat hood. Other than that we added a weight bar to bring it to B/SA weight.

6130 06-21-2018 02:51 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by GUMP (Post 565815)
To make my COPO into a Camaro we built the right motor, put the cowl stuff in, and installed a flat hood. Other than that we added a weight bar to bring it to B/SA weight.
Okay, so you're talking about converting a factory race car like the COPO or the CJ into a regular stocker by adding additional equipment?

What advantage would a car like that have over a regular production car prepped to Stocker rules?

Paul Merolla 06-21-2018 03:39 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by 6130 (Post 565816)
Okay, so you're talking about converting a factory race car like the COPO or the CJ into a regular stocker by adding additional equipment?

What advantage would a car like that have over a regular production car prepped to Stocker rules?
Is a Strange 9" rear legal in a production Camaro?

kdanner 06-21-2018 03:47 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by Paul Merolla (Post 565819)
Is a Strange 9" rear legal in a production Camaro?



I was thinking of some other things too like instrument cluster and HVAC controls. Door mirrors? Did COPOs have tubular bumper supports like CJs?

6130 06-21-2018 04:06 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by Paul Merolla (Post 565819)
Is a Strange 9" rear legal in a production Camaro?
Yeah, I was going to ask the same thing, but didn't want to clutter up my post. The live-axle conversion (from IRS) would be legal, but I think the Ford 9" would need to be replaced with a GM axle to be legal as a regular Stocker.

kdanner 06-21-2018 04:13 PM
Re: 2015 Mustang Ecoboost K/SA?
 
Quote:
Originally Posted by 6130 (Post 565824)
Yeah, I was going to ask the same thing, but didn't want to clutter up my post. The live-axle conversion (from IRS) would be legal, but I think the Ford 9" would need to be replaced with a GM axle to be legal as a regular Stocker.

9" is legal for 2008-up, but it does still say "Distance between
OEM backing plates and OEM wheelbase must be maintained". One look at wheel offsets tells you the race cars have narrower axles than the street cars. I guess this rule is either ignored or doesn't apply if a 9", although it doesn't say that anywhere.


It also says "Coil-over shock or four-link adaptations prohibited". Isn't a COPO a 4 link? They have coilovers too don't they?


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