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ornas's Avatar
 
Join Date: Feb 2010
Location: Vilnius Lithuania (it's in Europe and it's not Russia)
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2 questions rebuilding 3,3 turbo engine

hi, I am rebuilding my 86 3,3 turbo engine and
1. I am not sure about crankcase through bolt tightening. I have tightened them to factory spec, but due to rubber O-rings these bolts do not fit tight(you can easily turn entire bolt turning nut at one end).
2. should I use OEM cylinder head washers, if I am using arp head studs and nuts?

Old 07-30-2011, 03:05 AM
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You need to torque the cross bolts more than one time.
Bruce
Old 07-30-2011, 06:07 AM
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I did, by the way I even torqued 10nm more than it is recommended by factory, but still they look to me too loose.
Old 07-30-2011, 06:11 AM
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Must be the green O rings, I only used them once and wont fool with them again. I think if you use the proper concave washers all will be OK.
Bruce
Old 07-30-2011, 11:23 AM
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Sounds strange that you could hit factory torque specs and still have them be less than tight. Are you sure you have the right o- rings?
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Rob Montgomery
'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 07-30-2011, 11:41 AM
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used blue o-rings that came in victor reinz crankcase gasket set.

Old 07-31-2011, 03:15 AM
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