709whp from Modern Automotive Performance!

[v8klla]

No 4000 lbs is heavy, thus if it didn't slip on our dyno it sure as hell isn't slipping on the street ;) At least I hope so lol.

[dumb_ricer]

The car probably weighs no more than 2700lbs.

And it hopefully will be on slicks at the track!

I think the clutch slip thing was an issue on your dyno because we only did a few pulls. We were doing pulls every minute or so on our dyno, so the clutch kept heat and helped out.

Was it slipping on the last pull that it made 54x?

[v8klla]

Well the clutch was slipping bad on the dyno, so getting an accurate tune will be hard.

~John

I agree, we will have to look into it further. We may take it out on the street and try some pulls to see if we can notice a difference in speed vs RPM.

[Pushit2.0]

I can pull up the mph/rpm but I think it slipped everytime, a lot up top and the car would stop pulling on the dyno. The car was missing up top also.

~John

[v8klla]

I can pull up the mph/rpm but I think it slipped everytime, a lot up top and the car would stop pulling on the dyno. The car was missing up top also.

~John

Yeah it was acting really weird up top, almost like a misfire. Likely based on the fact that we didn't tune for that RPM! lol

I think we may have figured out the source of that problem though, our Vibrant aluminum spark plug cover! Alex and Kyle both dynoed without them on and had good luck, and they put them on to head out to your place. Ever since then Kyle had issues and Alex did as well, until he removed the cover before his dyno runs...

[92EvilTalon]

Thats some nice numbers. But just a side note. How did the spark plug cover affect the engine? That comment you made is puzzling.

[JET]

It was probably causing spark issues from either interference or arcing.

[Goat Blower]

Thats some nice numbers. But just a side note. How did the spark plug cover affect the engine? That comment you made is puzzling.

Metal spark plug covers are the devil, especially if you're running old Magnawhores. I had a set that arced through the side of the boot and they were almost new.

[v8klla]

Electromagnetic Interference, also know as EMI.

[Pushit2.0]

It sounds like you found the small problem with the miss fire, I would guess the car would put down ~575ish with a good clean pull with the tune that was on the car, good job that is a lot of power.

~John