Maintenance & Technical > KX500 Original

best drag pipe

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doordie:

--- Quote from: demographic on April 07, 2007, 08:36:48 PM ---
--- Quote from: stewart on April 07, 2007, 07:50:29 AM ---stewart here , been dyno testing  all day today and half of  fri  found that jemco down pipe  made 2 more hp  than pro circut  pc2  up pipe with 304 silencer on 15 to 1  engine kx500  peak hp was at  7496 rpm  with  drag pipe  peak hp was 7128 with pc2 pipe  and silencer we gained 1 hp taking off silencer of the pc2 up pipe . tested reed blocks lost 21 hp on one  billet reed block type when compard to v force 2  in 3 pull per set back to back tests learned a lot of other things to  in about 40 other dyno tests

--- End quote ---

You lost 21 horsepower with which billet reed block? :-o
Just so we know what to avoid.

--- End quote ---

He must mean 2.1 hp!  :roll:

And 15:1 in compression if I understand right? :wink:
(same as 7,8:1 in corrected compression....)

YUNGGUNNAZ:
i think the cage stewart's referring to is the mossbarger with spacer.same as a g3 cage thats out there.i hope he meant 2.1hp also.the pipe was a little beat up and i'm sure maybe 1 or 2 more with new pipe.i bet they had their fingers in their ears too.LOUDDD.

mg82:
i spoke with him yesterday and he did mean 21 hp.

MadKaw:
which block/spacer?

demographic:

--- Quote from: mg82 on April 08, 2007, 04:13:52 AM ---i spoke with him yesterday and he did mean 21 hp.

--- End quote ---

Kin hell, you don't lose that down the back of the sofa and not notice it do you?

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