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  1. holeshot

    New JC racing mid sponsons

    Selling a brand new set of jc racing mid sponsors for sxr/superjet. Will fit and perform well on other models too. This is a special price on a brand new set of overstock mid sponsons. $98 plus shipping
  2. holeshot

    EFI Yamaha 701 SuperJet 62T Electronic Fuel Injection and Ignition Kit

    Has there been any dyno testing/results? I would be interested to see dyno results compared to top of the line carbs on a 900+cc build
  3. holeshot

    TNT B1 chamber

    Must have been trying to keep from burning couplers so he could run it dry as possible
  4. holeshot

    Engine-Tech 1107cc

    AC1000
  5. holeshot

    ADR and PHP crank :)

    Im glad you guys are seeing the effort behind The ADR cranks.
  6. holeshot

    WORLD CHAMP PROVEN GASKETS made fresh daily for EVERY 2 stroke YAM-KAW-SEADOO.Also A/M parts gaskets

    Im always happy with gaskets from you. Thank you for xlnt product/service
  7. holeshot

    Used Garage cleanout

    Ill take the fp manifold and more Matt 714/9313860
  8. holeshot

    TNT B1 chamber

    I know its been covered but couldnt find it. How do we identify the different chambers, limited, superstock or stroker.
  9. holeshot

    HPE 4mil "bolt in" stroker kit

    HPE 4 and 5 mil baseplates for DASA SS
  10. holeshot

    HPE 4mil "bolt in" stroker kit

    Yes i can put together 4 mil bolt in kits for dasa ss. Ive had baseplates made for dasa ss. I dont stock stroker domes for dasa yet but they cut them for me pretty quickly. These kits are NOT just tossing in a 4 mil crank and hoping for the best. Port timing is corrected and you will see gains...
  11. holeshot

    HPE 4mil "bolt in" stroker kit

    hard to comment on the performance gains with his big bore kit, so much depends on port timing and design when it comes to powerband. The 4 mil kit is designed to "hype" the motor from idle to peak peak rpm adding acceleration across the board.
  12. holeshot

    HPE 4mil "bolt in" stroker kit

    The problem with superbore sleeves is they reduce transfer passages. Its not necessarily a flow problem it can be a velocity problem. Giant transfer passages dont equal big power. But high port velocity at low rpm can cause short circuiting or charge dilution. And theres a mach limit on port...
  13. holeshot

    HPE 4mil "bolt in" stroker kit

    Works great with 61x bottom end, stick with a single carb on 61x. Youll see better results with a 62t cylinder but that doesn't mean you wont see good results with 61x cylinder, they work good. You can always call or txt-matt 714-931-3860
  14. holeshot

    HPE 4mil "bolt in" stroker kit

    Excactly they are great cylinders.
  15. holeshot

    HPE 4mil "bolt in" stroker kit

    as far as stroker cranks and the different cylinders. 760 is great stock or ported with either 4 or 5 mil hpe kits. The 62t 701 is best with 4 mil non ported and great with 4 or 5 mil hpe when ported. The stock 61x will benefit from a 4mil hpe kit for sure. But due to transfer misallignment...
  16. holeshot

    HPE 4mil "bolt in" stroker kit

    Adding this to this thread; Sorry ive been a bit busy. I like the 62t cylinder MUCH better. The transfer allignment is dramatically better, auxillary transfer windows are 2mm wider than the x, exhaust and transfer timing are great even for stock stroke on the 701 62t but 760 a touch too much...
  17. holeshot

    Super Jet Need help, building 5mm stroker engine.

    By far your best option is to have a builder set it up with either a 701 62t or 760 cylinder. The cases will need to be decked to correct port timing and recessed domes will be needed. A stroker baseplate should not be used with a 5 mil shortrod unless your focusing in mid to top end power and...
  18. holeshot

    Question about HPE 4mil stroker crank

    You guys are always welcome to pm me on messenger "matt holeshot hobson" or visit my facebook page same name as above. If you want to discuss tech in a forum invite me in im happy to talk like anyone else im never claiming to know it all these are just my points of view and your not allowed to...
  19. holeshot

    Question about HPE 4mil stroker crank

    as far as stroker cranks and the different cylinders. 760 is great stock or ported with either 4 or 5 mil hpe kits. The 62t 701 is best with 4 mil non ported and great with 4 or 5 mil hpe when ported. The stock 61x will benefit from a 4mil hpe kit for sure. But due to transfer misallignment...
  20. holeshot

    Question about HPE 4mil stroker crank

    Sorry ive been a bit busy. I like the 62t cylinder MUCH better. The transfer allignment is dramatically better, auxillary transfer windows are 2mm wider than the x, exhaust and transfer timing are great even for stock stroke on the 701 62t but 760 a touch too much blowdown for stock stroke to...
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