Weapon X

The 6766 will make more power in a higher boost setting but if they run the same level at peak 24 psi in this case you don't need the 6766 and your losing a lot of low end power.

RB28

No other changes just a bit of timing maybe 2 degrees. Pulled the 6766 put on the new 6466 . Same day or night I guess it was late. lol Boost is 24 psi. fuel is 93 oct we have in the USA. But the nonEthanol 93 is going away

Here's a pair of pulls the Red is a 6466. Blue is a 6766. Same housing AR I did mess with the timing a bit but not much boost just comes in way quicker.

Great as long as it's in boost. lol I'll post back tomorrow on the drive and i'll do a second gear on the dyno just for fun

Yes this ones mine. It's still setting on the Dyno i'm going to make a few more pulls in the cool morning air and maybe try adjusting the valve timing a bit I'm setting on zero on both now. I'm going to try to advance the intake a bit then retard the exhaust just to see. We have 3 other customer cars to finish... Yes lag blows.

What im being told is the 6466 is just starting at this boost gets better as it goes up. It's 4th gear pulls but I thought it would spool like 300 rpm sooner but they data logs look almost the same just more efficient wheel for that rpm in this powers case I guess

RB28 with Tomei 270 cams ,Full Race header, Precision 6466 ,head work, Tomei cam gears ,3 5/8 down pipe to 4" , Magna Fuel Pro tuner pump, -10 to the front ,-8 to a sard rail ,2 -6 returns 1000 cc ID's ,2 Precision 38 mm waste gates, EGT per cylinder ,AEM , the normal stuff. My modification to a Full Race header to keep heat away.

Here is the what it looks like to pull off a 6766 and put on a 6466 both tuned to run on 93 oct. at 23.5 psi blue lines are the 6466 Still needs cleaned up a bit but I like the look of it.

We are putting car on my Dyno Jet and on a Mustang in the same day soon just for fun to end the what ifs and I thinks around here will be fun just to see the difference. I post up the findings.

I would realy like to find one of your guys dynos here in the states because I'd run my car on it Happily to see this big diiference. Has this ever been tried down there?? Any Dyno Jets around?

I have a 2.8 with a 6766 733hp on our 93 oct on 2 wheels 23.5 psi I have a 1.15 AR

On a single yes on two don't think so.

This is my twin waste gate setup. I took a non waste gate Full Race and modified it to what I think works best. I just don't like heat that close to the parts I want cool. AC still on mine it's hot outside. I can pop off the gates in about 5 minutes to change springs. I understand the idea behind the gate off of the housing I may try it on a car but not mine.....works been done I

Are you talking about rwkw against rwhp readings or hp to hp?? Different readings we all know that but you are saying that along with Mustang the down under dynos read lower. I'm good with that as I didn't buy a Mustang dyno because they are the minority by a long ways here. I'll look around for one of your dynos if I find one close I'll run over and see how far apart they are just to end the " I think this or that " about power numbers for everyone.