Topgunz - air to air upgrade

mikey1600 · 04-11-2021, 10:01 PM

Cheers mate, I'm already running the 9lb pulley from the standard stillen kit, so what is required to boost it a bit more but keep everything as is? Or is that what everyone else has had to do as well?

My blower has been upgraded and doesn't have it's own oil reservoir anymore, oil is circulated through it via engine.

What else is needed to stop head lift? Do the other long block motors for sale at places capable of 800-1000hp already have this done as well?

I'm already running straight E85

Quote:

Originally Posted by redondoaveb

The 3.47 pulley you'll be installing on the jackshaft on the sc side is a different offset than the stock 3.2 and will stick out towards the motor approximately 1/2" which mean it won't be aligned with the sc or tensioner pulleys. You'll need to add spacers on the sc shaft and tensioner pulley to make up the difference. Assuming you already have the 9lb pulley on the jackshaft (serpentine side)l you'll be spinning the sc at close to 63000 rpm. Don't expect the oil slinger to last too long.

Boost wise, you'll also be in head lift territory. I'm not sure that just adding ARP headstuds will cure that.

Also, what fuel are you running? You'll be at a boost level where e85 may be needed.

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