Change plugs with my new mods???

[flaps720]

so i have a whole new set up (see sig) I am still trying to fine tune and was wondering if I should swap out the stock spark plugs for either copper (stock heat range) or if i should go 1 step colder. I know the step colders are a def. for 10 psi and above, but tonight or tomorrow I'll be droppin the MBC in and shooting for around 8 psi...

...also if anyone cares to drop a few lines re: the best/safest way to set the MBC, it would help, I dont wanna blow! Thanks all.

 

[Matrix]

When I switched over to the 8psi ATP wga, I also swapped to 1 stage colder plugs. To be honest, I did both at the same time, so I don't know how the car would have run on 8psi with stock plugs. I just wasn't willing to try it. I've got no complaints running NGK ZFR7F plugs. I'm pretty happy and would recommend them. Make sure you don't get the ones with -11 on the end, as they are gapped too wide and require more regapping than I'd be comfortable with. The ZFR7F plugs are already gapped for the MSP right out of the box.

I've never fooled around with a MBC, so I don't have much advice to offer there. My recommendation would be to install it, then start with it almost completely off. Then make multiple runs backing the MBC up to a 1/4 turn each time to raise the boost until you get the desired level as per your boost gauge. That's how I imagine I'd do it if I were to run a MBC.

Good luck! (thumb)

 

[SeR_Cyclops]

+1 on starting with the boost controller off, when adjusting the controller dont go WOT right off the bat, just ease into boost and watch it climb slowly.