Timing?

Just fitted ss mani and down pipe do i need to up timing to get the best from it and will i need to use different fuel?
Timing currently at 15deg fuel used BPstandard unleaded.
Any info would help loads.
Thanks.
 
A couple extra degrees wont hurt. Use super for the full benefit. Disconnecting the battery then putting your foot on the brake pedal will reset the ECU.
 
I've Been told by MB automotive that it's a bad thing advancing the ignition base timing.......something to do with not being able telling If it is detting?

....phone....
 
it you whack it up to 20+ then yeah, but from 15 to 17 it's fine.

Thats what I thought but he seemed to say any adjustment....he then told me off for mentioning "the guys on the forum" as he hates forums haha

....phone....
 
Could always make up some homemade det cans and have a listen if you're worried. But as said 17' and especially while using super will be fine
 
Altering the base timing changes the whole timing map, keeping it stock is never a bad thing.
 
thanks someone did mention if timing is up'd you have to make sure there's no pinking.
Thanks alot for all the info guys great as always.
 
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