petrol question - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars

mutlley · 06-01-2003, 01:14

Is anyone running their clevelands on PULP? If so how is it going? did you make any changes before running this fuel?

Cheers for the help.

johnny r · 06-01-2003, 01:20

make sure your heads have harden inserts, other wise you run the risk of burning valves and seats

xacoupe · 06-01-2003, 01:29

I run on synergy 8000 unless I cant get it. I spent the extra when getting my heads done and got the ULP inserts (as johnny says)
saves a lot of grief

mutlley · 06-01-2003, 03:20

i have hardened seats, do i need to worry about seals drying out or something silly like that?

xacoupe · 06-01-2003, 03:36

only if you run out of oil !
Lead stops the valve seats from receding, seals don't get affected by it at all.

johnny r · 06-01-2003, 03:37

seals will dry out with age, not because of PULP. Fill er up with the best PULP you can find and enjoy.

brenx · 06-01-2003, 19:33

I've run Optimax from day 1 with my 351 10.5:1 compression. Mine was built for PULP. 20,000k's without a since issue engines still spotless internally too.

Brenden

XC351 · 06-01-2003, 19:58

I find mine runs a lot better with a 50-50 mix of Avgas and Optimax, it has never been happy on straight Optimax and the engine dyno guy wouldnt run it with straight Optimax

ebxr8240 · 06-02-2003, 06:40

The older leaded heads are slower burn tech but the newer heads are of fast burn technology with ulp versions. So you'll have to run with less timing/ advance curve..With out lead which slowed the burn some..

paull · 06-02-2003, 07:20

Mutlley,
I have an old ZH with standard heads (no hardened inserts) and have been running on BP Ultimate for 2 years now and the car has only gotten better. However, I do put 40ml of additive each time I fill up. My other car has the inserts and I am also running BP Ultimate with no additive, all appears to be fine