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 LUFTMEISTER
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| posted on March 28th, 2013 at 06:44 PM |
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94mm P & B Kits = A & B Difference?
As per header. Which is recommended for 82mm crank and why?
Cheers Gurus
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1916baja
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| posted on March 28th, 2013 at 07:11 PM |
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I'm no expert but I'm pretty sure b pistons are better for stroker as they keep the engine width down.
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waltermitty
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| posted on March 28th, 2013 at 07:35 PM |
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shorter skirt clearance for conrods.
M
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 matberry
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| posted on March 28th, 2013 at 07:47 PM |
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Pin height is different in the piston, barrels are the same. Pin is 6.5 mm closer to the piston top on a B kit, therefore for an 82 stroke engine,
with stock rod length the engine should end up near stock width (give or take due to shims or custom machining for deck ht or CR).
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
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LUFTMEISTER
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| posted on March 28th, 2013 at 08:21 PM |
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Thanks for the straight forward answer Matt. How do I measure the pin ht to check which pistons I have?
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matberry
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| posted on March 29th, 2013 at 03:25 PM |
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If you measure the distance from the pin to the top with a vernier, an A piston is 28.5 and a B is 22mm
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE
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