The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!

S550 GT350R Race Car Build Build Thread Profile - S550 Mustangs

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

I have not seen evidence of them hitting either side on mine. I daily drive and track it. I’ll take another look again. I’m running GT350 specific 1 7/8 diameter ones.


Sent from my iPhone using Tapatalk
 
@8250RPM So they either have a quality control issue, or have changed the design. Not impressed.
As I said, my first set was the prototype set. I had the very first ones they made.
My new pair that I installed on my 18 R provide more clearance.
If I were to do it again, I’d keep the stock headers and go with a GT4 exhaust. Which is what I tried to do, but they refused to sell it to the public.
The headers themselves only add about 10-15 rwhp. Not with it imo.

I also haven’t had the contact you’ve shown to have.
 

steveespo

Lord knows I'm a Voodoo Child
Moderator
4,008
1,924
Exp. Type
W2W Racing
Exp. Level
10-20 Years
Cookeville TN
I used them on the Boss. No issues.

However, I definitely wouldn’t install on the stock GT350 with the FPC.

I’m running CPC.

Solid mounts with 90 degree V8[emoji106],with 180 degree Voodoo be prepared to replace cracked block. The Coyotes with solid mounts and rubber transmission mounts are practically NVH free compared to stock mounts.


Sent from my iPhone using Tapatalk
 
Spent the weekend at Gingerman with NASA. This was the first race event without shakedown issues. Ran Hyperfest at VIR in May, but had rear axle temp issues and had to back off to finish the race 3rd out of 5 in ST2. Race 2, lost the top coolant hose halfway up the esses, and managed to keep the car on track after the rear tires got wetted down!

Race 1 in ST2 at Gingerman this weekend was a case of to finish first, you first have to finish, as several other cars had issues. Race 2, I was running second, when the first car spun off, in a questionable move from a SU car. Another fortunate P1.

Perhaps the best race was the last. By now there were only 2 of us in ST2, so we both decided to run SU (There was only one car in ST1). As a result of the class change, I was gridded last, in P11 for SU. Took 4 places on lap 1 and finished P2 in SU class and P3 overall.

Great weekend, but lots to do on car and driver improvement to get close to the best cars and drivers, some of who had unfortunate car issues.

eWugVzSRSACDSLNZ9TGx3w.jpg
9JDijaCBSDm3BqwJSfHO%Q.jpg
 

TMO Supporting Vendors

Top