Competition RED Hot Header - Dragster engine dyno wastegate testing

[sbentz]

Here is a bad blurry photo of the engine on the dyno under load. It was pure yellow before we got the wastegate open. Then all came around, and was only cherry red... I made Dustin, son an driver run in at 4000 RPM and full load to get a few photos. He claims this is child abuse.



We are using a RaceGate from turbonetics. Works out great. Gained over 100 HP by "trimming" the match with a combination of how far the wastegate opens, and when. More left in the tuning...



More photos at www.cumminsracing.com at the bottom of the main page. .



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[DRAG DIESEL]

Way Cool Scott... . keep up the good work!!



Loved talkin' theory with you out in CO during TDR Summit

 

[MCummings]

Any Idea what temperature that is?



I thought Headers would start glowing like that around 600*. Of course, the complete header, inside and out, would have to be 600*.



That's just my assumption gathered from ill collected sources.



Merrick

 

[sbentz]

Temperature?

Lets say that in the car, it hits 1800 in 2. 3 seconds. On the dyno, we were over 2000 berfore we could abort the test. .



Lots cooler now that the wastegate is balancing the load over the two turbos...



The first shot on the web phot is only around 12-1300. A cast manifold takes longer to get there, but will glow nice too...

 

[HoleshotHolset]

Hey, that wastegate looks familiar.



Matt - yet another Racegate/DeltaGate II owner...

 

[sbentz]

Yep, and it works good... . It actually bypasses too much, as the pressure between the turbos is off a bit when it opens. I am tweaking it down on the max open setting to find the right balance.

 

[HoleshotHolset]

That's good news - I never got mine installed... ran out of time.



Matt