Stone629

to the Mach and wanted to get some advice from you fellow Mach ******. I'm going to do 4.10s this week and possibly have some high flow cats welded in. I'm also going to grab one of Roy's spacers while I'm at it. Since I ditched the cats, my top end has greatly improved, but the low end torque pulled a Houdini, lol. I know 4.10s will give the low end back mechanically, but I still want some of it to come from the flywheel as well. While the car is in the shop, I was thinking about having it tuned. My S197 picked up huge gains from a custom tune, but I've heard Machs don't respond as well to tunes. My question is to you all that had you Mach Dyno tuned. Was it worth the $$? What sort of gains did you see?

03MachMe

with the mods you have you wont see that much from the tune but its always a good idea prolly pick up 10-15 hp is my guess but it will def feel like its running better

volcomchester18

You have a Mach 1 and a s197??? badass!

Stone629

I'm thinking the same thing. The tuner guy told me about 10 rwhp too.

Haha, thanks man. Sometimes my bank account begs to differ though, lol!

volcomchester18

LOL I bet, they both run 13.1 at 107! haha thats funny.

Fstanggt96

I'd say a dyno tune would be worth it. I just have a canned SCT tune and I felt a diff. It felt more responsive and crisp i guess you could say.

boduke0220

Depends on what you plan on in the future IMO. if your going to be doing Short runner intake, Longtubes Etc then i'd just wait. but if your not then i say go for it

Stone629

After the gears and spacer, I don't plan on doing anymore bolt ons. If there were some that really woke the car up for the money I would. After this, I'm going to concentrate on the suspension and external weight reduction (K member, driveshaft, A-arms, etc.) I'd love to be able to tune the suspension enough that I can get a 1.75 60' on street tires. I did it once before on a Z28 I had, but it took about every suspension mod imaginable.

Stone629

I was surprised that they ran the same ETs too. The only thing is, I was powershifting the S197 and not the Mach. The Mach kept trying to spin 2nd under hard shifts. I just put a Bassani catted X on the S197 and can really tell a difference in power. I'm hoping to run it this weekend if the weather clears up. I've got the feeling its gong to trap a good 2 mph higher, maybe even get into the 12s. The 4.10s ought to even it back out if I can keep it planted, lol!

USMCrebel

The Z was an auto too wasn't it.