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  1. #1
    cyoungesq's Avatar
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    New injectors necessary with Les Cook A Kit impeller?

    I am ordering two of Les Cook's A kit impellers for an '06 S200 430 whose only other mod is 4" intakes. Do I need to upgrade the injectors as well, or will stock ecu & stock injectors accomodate the increased boost? Thanks for your experience & opinions!

    No worries, Jerry...Im coming to you for the RR thermostats, ceramic bearings, washers, and 4" billet adapters!


  2. #2
    David 1 FAST VE's Avatar
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    You can get the RR Impeller from Jerry instead of going overseas for 1/2 the money I believe as they are the same thing for the most part.

  3. #3
    Hi guys quick note to let you know that you do not need to upgrade the injectors with the A kit impeller It is our biggest selling modification in the shop at the moment. We combine it with a Skat prop and the increase is amazing.

  4. #4
    from what i read the A-kit has more hp than the rrs/c if i recall it right the rr s/c has 14 hp gain at 8400 rpm where the A-kit claims 20 hp at 8400 rpm but on my gtx i did go with the rr s/c they r on sale 4 450.00+shipping & no u don't need the 42lb injectors unless u add a i/c

  5. #5
    Site Admin Green Hulk's Avatar
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    yellow, don't belive the hype bro. They are the same thing

  6. #6
    Quote Originally Posted by Green Hulk View Post
    yellow, don't belive the hype bro. They are the same thing
    ok just stating what was quoted, i do know the A-kit is lighter than the rr s/c the A-kit is billet aluminum the rr s/c is cast aluminum like i said i went with the rr s/c on my gtx, i should've mention i thought the rr s/c was a better bang 4 the buck ? have u ever tested them back 2 back if so i would like 2 c some #'s
    Last edited by yellow jacket; 01-24-2007 at 12:10 PM.

  7. #7
    Site Admin Green Hulk's Avatar
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    Well what i meant was the performance was the same. They are the same blade design and yeild the same boost. Oh, one other difference is the A kit is anodized which is a plus for those riding in salt water environments.

  8. #8
    cyoungesq's Avatar
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    A Kit s/c impeller test run

    Test run on the new impellers was pretty satisfying. Stock pump impellers and s/c impellers, the best I could do was 65.8 mph hitting the limiter. I swapped the pump impellers for Solas 15/20r and couldn't get beyond 64 mph at about 7700 rpms. Having only upgraded to the A Kit impellers, now I'm on the limiter running 68.7. They were worth it.

  9. #9
    somefun's Avatar
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    I think I saw flames shooting out the back of the boatwhen it ran by screaming like a freight train!!!! Good job man....

    Quote Originally Posted by cyoungesq View Post
    Test run on the new impellers was pretty satisfying. Stock pump impellers and s/c impellers, the best I could do was 65.8 mph hitting the limiter. I swapped the pump impellers for Solas 15/20r and couldn't get beyond 64 mph at about 7700 rpms. Having only upgraded to the A Kit impellers, now I'm on the limiter running 68.7. They were worth it.

  10. #10
    cyoungesq's Avatar
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    Yeah . . . those flames! Guess I used too much wD40, huh? Who wudda thought it'd ignite. That screaming was me pulling a Casey Jones trying to get the boat away from the shore where an explosion might hurt the kids. Thankfully that hose on the thermostat that I forgot to clamp popped loose & put out the flames. With Somefun - creator of the World's Fastest Sea-Doo Speedster - as my engineer, it all worked out great. Now, I gotta try to break 70 without killing anyone else.

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