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Home > Help Needed / General Tech Chat > Cylinder heads

david

8 Posts
Member #: 1061
Junior Member

5th Jun, 2006 at 12:10:06pm

Anyone know how to determine if a head in leaded or unleaded??

All help much appreciated thanks

Turbo Shed

1303 Posts
Member #: 30
Post Whore

Epsom, Surrey

5th Jun, 2006 at 02:06:34pm

unleaded heads have valve seat inserts.

the only way to check properly is to remove an exhaust valve and clean up the seat and look for a step and probably a difference in colour due to different materials
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