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Home > Help Needed / General Tech Chat > 1380 piston offset

sid

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oxon

27th Jun, 2009 at 09:23:00pm

as i seem to have completly lost my yelow bible since the last time i read it 5 years ago, could anyone tell me the distance to offset the bores when taking a block out to 73.5 as my new pistons should be here soon and i need to know for the local engeneering bloke to get the bores done.

and i need to do it bloody quick as its just dawned on me how close mitp is *happy*

BENROSS

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Resident Cylinder Head Modifier

Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem

28th Jun, 2009 at 10:34:09am

right, the two centre bores should be pitched out to the outside 0.010" each bore.

that means number 2 bore pitched to number 1 bore 0.010"
and number 3 bore pitched to number 4 bore 0.010"

Vegard

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I pick holes in everything..

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Norway

28th Jun, 2009 at 10:51:20am

I'd also move them forward as per Vizard, once at it.

On 13th Jul, 2012 Ben H said:
Mine gets in the way a bit, but only when it is up. If it is down it does not cause a problem.

sid

55 Posts
Member #: 6376
Advanced Member

oxon

28th Jun, 2009 at 08:44:43pm

thanks to you both, this mini will be built before mitp lol, it may not be painted though *happy*
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