More nozzle info: MPD 15% vs. Elite 15%

Beans71086

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So a lot of you know that we did a small biuld last winter, the biuld included; pistons, head studs, pushrods, springs, elite 15% nozzles, HP and LP Batmos.

Before the biuld my personal best at the track was 12.89, that was just tuning, intake, and exhaust. After the biuld I couldn't even get into the 12s! I couldn't figure out what was wrong, RP and boost were great, no exhaust or boost leaks, it just puzzled me and everyone I talked to.

Below is the slip for best after my biuld:

http://i1103.photobucket.com/albums/g464/Beans71086/29BF47EF-35D7-4B13-BB3E-119AB0562441.jpg

At the race weight of 7650 that puts me around 538hp.

Got that slip at the Antrim diesel drags, while there I got talking to Craig about my problems and he said they had just got their first set of 6 hole 15% nozzles in and he'd send them up if I wanted to try them.

So 3 weeks later Marty threw them in for me (thanks Martin!) and it went to atco for some more track time. The only thing we changed were the nozzles and I was very happy with the end result.
http://i1103.photobucket.com/albums/g464/Beans71086/91BB66B4-5C52-4A4A-B6C3-23FF30DAC21C.jpg

According to the calculator that's about 636hp.

This isn't meant as a cut twards elite, but to put this in perspective I lost power hp from stock with my elite 15% nozzles, then gained almost 100hp after swapping to the MPD 15%.

I know there is a lot of debate as to how nozzles size is determined, I was told that these, like the rest of the 6 hole nozzles, were extrude honed 15% over from new stock nozzles.

Lastly, I wanna thank Craig and the crew at MPD for sending those nozzles up and solving this problem I've been struggling with for the past year! You guys rock!
 

webb06

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I wish I could figure out what's wrong with mine. After my build I gained .35 seconds on the 1/4. Quite disappointed
 

webb06

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I wish I could figure out what's wrong with mine. After my build I gained .35 seconds on the 1/4. Quite disappointed
 

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