5 bearing engine

jimjames2uk

Member

Posts

85

Location

guildford

• Sep 18, 2007

• #1

is the 5 bearing engine head ok for unleaded petrol is an 85 engine and wondered if anyone knows if ill have to replace head for an unleaded head or add fuel additives

 

S

Sean

Banned

Posts

19,268

Location

Orkney

• Sep 18, 2007

• #2

the addictives would help but unless your going to do lots of miles in it you wont have too much to worry about valve regression

 

C

clivees

Well-Known Member

Posts

2,070

Location

Somewhere in deepest darkest Hampshire

• Sep 19, 2007

• #3

Just run it and keep a eye on the valve clearance to see if they close up.