2015 Mustang Ecoboost K/SA?

[6130]

Okay, another question- would a convertible Ecoboost Mustang make any more sense- there is no convertible version of the Cobra Jet.

The classification guide lists the convertible as being a 13.45 pound car, making it a natural K car, that I could add weight to run in L. The coupe is listed as a 12.78 pound car, making it a natural J car, so it would never be able to run in L- there will never be a "Baby Jet" in L.

Or is it just the fact that the "Baby Jet" would result in the engine's horsepower getting factored to the point that I wouldn't be able to afford to keep up regardless of what body I'm running it in?

Lol- I just noticed that there is no current record in L or L auto, and both of them have a 12.20 minimum.

[GUMP]

Originally Posted by 6130

Okay, another question- would a convertible Ecoboost Mustang make any more sense- there is no convertible version of the Cobra Jet.

A convertible would be cool. There would be no advantage, because the rules are the same for both.

[Tom Johnston]

No, running it in L would be bad very bad......really.




Tom Johnston STK #3177 L/SA '84 Cutlass 305

[Jim Bailey]

A quick history lesson; One of the first, maybe the very first, Factory Ford Cobra Jets -that started the whole Cobra Jet program is a black convertible. It's still running, and a very valuable car in the collector car circles. If you're interested in using it for your starting point, "rumor" has it that it "might" be bought for between 250- 350K. You might even contract him to do the conversion for you - Hey - Food for thought if you're really serious about going stocker racing …..

[Mark Yacavone]

Mr. 6130,
I don't believe the convertible would be exempt from hp increases on the hard top.
Considered same platform..

[6130]

Okay, so now that I understand what's likely going to happen to this combo- What if I built one in a somewhat less casual manner (to avoid having to buy stuff twice), keeping in mind that it's probably going to end up in F or thereabouts in the reasonably foreseeable future:

Smaller/lighter drag-type brakes that would allow fitting 15" wheels, light-ish drag-type 15" wheels, 275/60 drag radials, drag-type springs, drag-type shocks, and a drag-type converter for the stock 6R80 transmission...

...in addition to the previously-mentioned 3" off-road downpipe dumping open under the car, colder plugs, and "tune" of the OEM engine/transmission computer, on an otherwise stock engine and stock 6R80 transmission, in a relatively intact car equipped with the required safety equipment and fuel test fitting, and approved 100-octane unleaded racing gasoline.

The additional expense of more-appropriate brakes, suspension, and converter, would probably add about $4,000 to the original plan, which is significant, but it's not as much of a deal-breaker as the concept of having to go buy a used CJ roller, a rollerized C4, an 8" converter, a Holley EFI system, a properly-built Stocker engine, a truck, and a trailer.

If a "Baby Jet" ran 1.0 under the F index, and I was only running .2 under, it wouldn't be the end of the world. Like I said, I have no delusions of setting any records or running at Indy.

[Rsmith38]

Unless you live across the street from the track; I don't believe you can do without a truck and trailer. I did (in 1966!) but you can't be competitive in 2018.

[6130]

Originally Posted by Mark Yacavone

Mr. 6130,
I don't believe the convertible would be exempt from hp increases on the hard top.
Considered same platform..

Thanks, but "Mr. 6130" was my late father- you can just call me 6130.

[6130]

Originally Posted by GUMP

A convertible would be cool. There would be no advantage, because the rules are the same for both.

Thanks.