Ok here is what I have 2.3 whipple on of a 416 stroker the pulley on the whipple will be 2.75
Crankshaft will have a 10% overdrive pulley
Nick William 105 tb
Arh 1 7/8
Cam specs are 224/236 .644/ .644 117 lsa
I'm just looking for a rough estimate
I'm estimating about 14-16 #of boost what do you guys think also how will the 10% over drive affect the other pulley driven items

 

Anybody have an idea

 

Well the stock truck pulley is like 7.55" so 10% OD is 8.3"
2.3L is 140ci, and blower pulley is 2.75"

So blower CFM at 6000rpm is (140/12^3)*6000*(8.3/2.75)=1468
Engine CFM at 6000rpm is around 650cfm

1468/650=2.25
2.25*14.7-14.7=18.5psi of boost

Very rough estimate...

OD pulley is fine....everything just spins 10% faster. The problem with pulleys is when you use UD pulleys.

 

That sounds like a lot of boost... and a tiny *** pulley if the stock pulley is a 7.55"

If I were a betting man I would say you're gonna have belt slip if it truly is that much smaller than stock.

 

Ok 18.5# roughly is that on the 416 stroker or is that on the stock 6.2

 

416ci

 

Ok one more for you 18.5 being a rough estimate is that on the high side or low side and the 18.5 would be at peak

 

It is on the high side. You will get some belt slip and the blower volumetric effeciency is not 100%. I would bet you will see a peak of 17psi and it falling off up top to around 15 due to belt slip. I hope you are planning on at least an 8rip belt setup.

 

Well the crankshaft will be 8 rib the rest will be 6 rib thank you atomic you are a big help

 

No problem, but from my own experience that blower pulley is way too small for only a 6rib belt. You will be constantly fighting slipping/stretching belts until you upgrade.