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post #1 of 11 (permalink) Old 06-01-03, 01:14 AM Thread Starter
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petrol question

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.

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post #2 of 11 (permalink) Old 06-01-03, 01:20 AM
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make sure your heads have harden inserts, other wise you run the risk of burning valves and seats
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post #3 of 11 (permalink) Old 06-01-03, 01:29 AM
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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
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post #4 of 11 (permalink) Old 06-01-03, 03:20 AM Thread Starter
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i have hardened seats, do i need to worry about seals drying out or something silly like that?
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post #5 of 11 (permalink) Old 06-01-03, 03:36 AM
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only if you run out of oil !
Lead stops the valve seats from receding, seals don't get affected by it at all.
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post #6 of 11 (permalink) Old 06-01-03, 03:37 AM
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seals will dry out with age, not because of PULP. Fill er up with the best PULP you can find and enjoy.
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post #7 of 11 (permalink) Old 06-01-03, 07:33 PM
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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

XB Fairmont (street car) 11.07@123.02mph.
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post #8 of 11 (permalink) Old 06-01-03, 07:58 PM
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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
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post #9 of 11 (permalink) Old 06-02-03, 06:40 AM
Two SC 61's = trouble
 
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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..

Don't be afraid to try something new. Remember, amateurs built the Ark...Professionals built the Titanic!
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Tuned & maintained by "Peppertree Perfmormance". Dart block, Scat 4340 steel crank, Custom C.P pistons.Oliver rods.. Mal Wood twin plate clutch.. Twin SC61/2's,482 rwkw/ 645 rwhp..
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R.I.P Possum...
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post #10 of 11 (permalink) Old 06-02-03, 07:20 AM
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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
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