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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: 1270 or 1375 with spray NEW TOPIC NEW POLL POST REPLY
Thread: 1270 or 1375 with spray [ This thread is 2 pages long: 1  2   ]
entropy


Moderator
Posts: 8671
posted May 01, 2004 10:43 AM        
ninja12,
my 1361 came with JE pistons which have much shorter skirts than the MTC's. Is that what you mean by "cut down" ?????
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ninja12


Needs a job
Posts: 3308
posted May 01, 2004 02:15 PM        
no, Muzzy machines the dome of the 1270 pistons when used in a 1361. This is to reduce compression.
I remember there was talk of a nitrous piston with thicker dome, before muzzy said the 1270 piston was strong enough.
are they still strough enough AFTER the dome mod?

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krexken


Zone Head
Posts: 730
posted May 02, 2004 05:40 PM        
I'm not sure if they're strong enough or not but I don't really think removing .050 or whatever it is off the dome weakens them much at all. I think most people build smaller motors if they intend on big spray cause the stroker kit adds a ton more work and a bunch more coin to the job. I've yet to hear of a crank failure on a weldup. I've also yet to hear of a nitrous/dome failure on a 1361. I pushed around 240 on a dry kit with mine a while back. No probs. I'm not too convinced that these pistons are the greatest for big spray though. The valve notches get really close to the ring lands. I have heard of nitrous/ring pinching with these pistons though but this was probably caused by a lean condition.
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RAC4IT


Needs a job
Bergie
Posts: 3006
posted May 04, 2004 10:15 AM        
Dont Be Scared we have a twin nozzle dry kit with two #40 jets making 270rwhp. No controllers, just a PC3R and stock timing.
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ninja12


Needs a job
Posts: 3308
posted May 04, 2004 01:48 PM        
how are you adding extra fuel, all 45 in 80 and 100% columns?
What year bike?
What fuel pump?
what fuel?

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BIKELAND > FORUMS > ZX12R ZONE.com > Thread: 1270 or 1375 with spray NEW TOPIC NEW POLL POST REPLY

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