Quote:
Originally Posted by oneredry
on my Maggie. Stock is 98MM and just purchased a 95MM...
1) how much boost will the pulley add?
2) will I need to buy a new belt?
3) assuming I'm going to need a re-tune.?
I just also purchased Ted's recommended plugs from another thread I had a while ago. (Thanks!)
Currently its putting down 527ish at the wheels. I'm not thinking needing a fuel upgrade, but eventually will (just not this year) I've already dumped a ton of money into this so its off the table till next Christmas. Still flirting with the 2" headers, but not completely sold on the "is it worth it" cause.
Thanks in advance.
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I think Mike did a pretty good job of answering your questions, if there is any thing missed please ask.
Quote:
The 95mm pulley will give you about 1 psi more boost and will work with your current belt and stock cal on 93 octane, a custom cal will get you the most power out of the extra psi of boost.
Just for reference - the stock belt will work all of the way down to an 80mm pulley. if you want to go to a 75mm or 70mm you'll need a slightly shorter belt.
If you're at sea level, the smallest pulley the stock fuel system (with higher octane) will support is ~90mm. As you go up in altitude you will be able to run smaller to compensate for the lower air density.
Happy New Year!
Mike
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