faithofadragon

ok i found a chart that would help with determining boost on the supercharger i hope this sounds alright tell me if any of this sounds wierd or off or wrong

ok

our stock crank pulley..................A........................3 68.299999
the super charger pulley...............B........................266. 7
RATIO SC/ CRANK....................C=A/B................138%


ENGINE INTAKE PER REVOLUTION............D...............800cc
sc output per sc rev................................E.............. 1000CC
OUTPUT OF SC PER REV.......................F=E*C.........1380 CC

SC OUTPUT/ENGINE INTAKE.................G=F/D..............172%
ABSOLUTE BOOST..............................H=G*14.7 .............25.28PSI
ACTUAL BOOST................................I=H-14.7.................10.58 PSI
REAL BOOST (after 25% loss)...............J=I*.75...............7.93psi


i estimated the intake per revolution it sounded about right anyone have a actual number? the s/c rev i found somewhere online for a m62
so i used that

this formula is to figure out how much boost my supercharger will run with the stock pulley thats on it with our crank

also another question
our crank pulley is a 4rib pulley right? the s/c is a 6 rib
would i need to buy another pulley to make the s/c a 4 ri

Jaws021

ok i cant do math right now im too tired and hung over...

As far as the pulley... your hooking your charger up to the same belt thats used on the crank pulley?

What will you sacrifice? The alternator (Dont say that) or the AC?


I would ditch the power steering pump and rig a bracket to place the charger there.


Also to note..

I think the RD has a V type belt for the power steering pulley. The beta II has a 2-3 rib type belt.

faithofadragon

i will sacrafice nothing!!!!

lol

im gonna place the s/c where the ps is at now and run a long belt with a tensioner with the belt running from crank to the alternator to a tensioner then to the supercharger and back to the crank

then make a mount to connect to the a/c bracket and mount the p/s above the a/c using the same section of the water pump to turn the p/s and mount the resivour by the brake booster so the hoses cant come in contact with the belts

make sence?

Jaws021

you will then need to add another pulley to both the crank and the alternator.

Remember,... the belt that covers the alternator also covers the water pump.

The water pump/ps belt might rub against plastic (timing belt cover)

Also.. the AC does not have a bracket.. the AC bolts directly onto the engine (3 long/thin 12mm bolts). I really have no clue how you will do that...
You will have to definantly weld something together and make sure its durable.. i just hope you can clear the IM.

Also to remember...
Check the crank pulley... look at the clearance between it and the body. Look at that before you start searching for pulleys.


I say just save yourself the hassle and kiss the PS goodbye.. free up some ponies..

faithofadragon

yeah i know makin a new crank pulley would be a pain

i was talkin about getting a new s/c pulley made so that i can run a 4 grove belt on it

i guess the best thing would be for me to actually go to my car and look at the belt setup i dont really remember how its setup lol

Jaws021

yea dude.. check it out first..

pay close attention to clearances

HyundaiKitCoupe

ok, i want to see pictures because you guys are making me scared. i have an alpine s.c. i want to throw in and i'm wondering now if it's going to fit correctly.

faithofadragon

hkc your alpine should be fine

im going for a custom setup that goes in the front of the motor so i can run a intercooler and higher psi

hey theres a idea

how does the alpine connect to the belt system?

does it come with a special pulley?

Jaws021

yea.. hes crazy. His setup will be MUCH different than the alpine setup.

He will however easily be able to pass the 200whp

faithofadragon

so i hope lol

tongue.gif

hey jaws you should move to nm so you can help with this project