Question for guys who actually have the the Roush Kit

[brucelinc]

138mph with just headers on the Roush tune is beating almost anything I have seen from PBD or VMP.

That is freaky fast for sure. I am curious about the changes that VMP or PBD would make to the latest Roush cal. With 12 psi of boost and 93 octane fuel, I don't see how they could be much more aggressive.

 

[hlfbkd420]

That is freaky fast for sure. I am curious about the changes that VMP or PBD would make to the latest Roush cal. With 12 psi of boost and 93 octane fuel, I don't see how they could be much more aggressive.

I'm not even talking about their improvements over the Roush tune. They have videos of cars with headers, e85, etc, that aren't trapping 138

 

[brucelinc]

I'm not even talking about their improvements over the Roush tune. They have videos of cars with headers, e85, etc, that aren't trapping 138

Yeah, I know. I am suspicious of the speed. The ET is believable but around 130-132 mph would be more realistic.

 

[Stage_3]

Got a response from BreenSpeed

"This car has the Roush flash on it. I typically run 93 octane which is easy to get here in Indiana. When I go to the track I add a little VP MS109 mixture for safety. These high compression engines love octane and Roush flash will adjust timing and fuel for low or high octane. "

It's funny though. No time slip or video of pass.

 

[Hadelson]

Wow, that's pretty awesome. I did not know that.
There's where I bought my '19 Roush Stage 3 from and he was my salesman as well. Super nice guy!

Bought my RS3 there as well. Lyle made it too good a deal for me to refuse.

 

[engineermike]

The biggest “opportunity” is see in the current roush cal is the top end intake cam timing. They are way off from what everyone else does.

 

[Jmtoast]

It's funny though. No time slip or video of pass.

Snagged from the video. Probably could find or hear the DA in the video but I’m about to get laid so this is all the help I’ll give right now.

 

[engineermike]

34 on the back half, huh?

 

[Nsinclair]

Just had my new tune put on, overall I say it feels better, and I didn't have any 123bug in sport+.

I also had my viking Crusaders put on, CB005, CB762 and TCA048 and steeda alignment bushing put on, and I'm so happy with how the car feels now. Can't wait to throw my street Rs on and see what kind of 60' I can get

 

[JasinEdward]

kinda weird time.... i knocked off a 1.69 60ft and ran a 6.7 at 107 then finished 10.4 at 134.... i know timing was being pulled at the top end, but still... that car back halfs like a beast....

 

[hlfbkd420]

kinda weird time.... i knocked off a 1.69 60ft and ran a 6.7 at 107 then finished 10.4 at 134.... i know timing was being pulled at the top end, but still... that car back halfs like a beast....

Maybe he had an 8 hour cool down and pushed it to the line.

 

[AZ18yote]

Maybe he had an 8 hour cool down and pushed it to the line.

 

[Jmtoast]

kinda weird time.... i knocked off a 1.69 60ft and ran a 6.7 at 107 then finished 10.4 at 134.... i know timing was being pulled at the top end, but still... that car back halfs like a beast....

probably put the top down on the back half.

 

[brucelinc]

He dead hooked off the line and had a 1.61 60. I have only run a few times with the Roush but I have never gotten out of the 1.9s. Just massive wheel spin and hop. I had better 60s when stock. If I am going to drag race, I must get some Mickeys on 17 inch wheels. Hell, If I could have cut a 1.6 60, I would have been in the 10s, too.

That trap speed still blows my mind, though. 34 MPH gain in the back half is insane. He was not using drag mode, either. He felt he could have had a quicker ET if he had used it.

 

[JasinEdward]

He dead hooked off the line and had a 1.61 60. I have only run a few times with the Roush but I have never gotten out of the 1.9s. Just massive wheel spin and hop. I had better 60s when stock. If I am going to drag race, I must get some Mickeys on 17 inch wheels. Hell, If I could have cut a 1.6 60, I would have been in the 10s, too.

That trap speed still blows my mind, though. 34 MPH gain in the back half is insane. He was not using drag mode, either. He felt he could have had a quicker ET if he had used it.

So..... what happened with mine was I had to leave the car running to get the iat2 down to 125 in the staging lanes..... shutting it down would cause the iat2's to spike, so it was better to leave it run. But by the back half my iat2's were bumping 150+ pulling timing...

My main question here is why (with a 1.6 60') is his 1/8th et not a 6?