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Old 08-22-2008, 10:37 AM   #826
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I have found it is more that the bearings fit super tight and have to be put on exactly square...
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Old 08-23-2008, 06:25 PM   #827
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ive got a J.P. black engine what should the head clearance be running with 30% nitro?
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Old 08-23-2008, 07:37 PM   #828
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ive got a J.P. black engine what should the head clearance be running with 30% nitro?
Some add a .10mm shim, then take it out after break-in
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Old 08-24-2008, 07:35 PM   #829
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Some add a .10mm shim, then take it out after break-in
well ive gt .022 inch head clearance is that good enough
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Old 08-25-2008, 09:43 AM   #830
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well ive gt .022 inch head clearance is that good enough
You will be fine with that!
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Old 08-25-2008, 10:54 AM   #831
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thanks for the respond im getting stories from everyone on what it should be
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Old 10-06-2008, 08:07 PM   #832
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Anybody running the jp modified 359?Who is carrying them?
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Old 10-06-2008, 08:11 PM   #833
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Anybody running the jp modified 359?Who is carrying them?
mugenseiki usa
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Old 10-06-2008, 11:16 PM   #834
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anyone knows if i can put a nova plus 12-3 sleeve piston rod set, or a ns12s3 psr set,or a 353 psr set on a fx12 t03? my lhs has them and i dont want to spend a lot for this engine. it will be for practise so i do not expect any improvement in performance.
thanks
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Old 10-07-2008, 11:22 AM   #835
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anyone knows if i can put a nova plus 12-3 sleeve piston rod set, or a ns12s3 psr set,or a 353 psr set on a fx12 t03? my lhs has them and i dont want to spend a lot for this engine. it will be for practise so i do not expect any improvement in performance.
thanks
Ns12S3 should fit.

Both Plus engines are long stroke engines.
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Old 10-07-2008, 12:34 PM   #836
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nice! its cheaper thanks for the reply.
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Old 10-31-2008, 10:54 AM   #837
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Going to do bearing change on JP Eagle 21 circiut, take it the fronts are the standard 7X19X6 and the rear the 14.5? The motor looks virtually the same as an RO3 excepting the 9 ports and the 14.5mm crank? So my questions is are the parts intechangeable between the two motors if you change the rear bearing? I Have not read through the forum so I dont know if this question has been covered? Also the RO3 motors are based on the 321 motors, handy to know because my mate has bust his crankcase and 321 are easier to come by than RO3 or Eagles.

Thanks guys
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Old 12-03-2008, 07:26 PM   #838
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Default Piston & liner

Hi
Is there a novarossi piston & liner that will fit into a JP Eagle 21 R-9S engine ?I have priced up a liner & piston thru JP , well I fell over with the price $600 Australian dollars.

Thanks
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Old 12-05-2008, 07:48 AM   #839
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try www.the-border.nl

its 335$ with VAT.(thats something paid only on europe i guess.) register an account and you pay the VAT according to your country. if you dont have to, the price will be %20 reduced.
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Old 12-05-2008, 10:35 AM   #840
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The Eagle 9s is based on the 35-plus-21 and all parts should fit.

Most Novarossi sleeves are the same size so if you want to go cheap you even can mount a N21-3T P/S set.
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