RacingGreen

Labor for maschining a proper adapter piece to mount your throttle to the M62 and buing a blowoff valve will be higher than 150$

If you don't have the money to buy these ESSENTIAL parts, maybe you should think again about supercharging at all.

You'll also need a bigger clutch, Eninge management, some sort of intercooling, bigger injectors...

blaise

i have a friend who will fabricate this adapter for free. i just don;t want to spend 150$ if i could have it for half the price or even less.

i know about clutch. for engine management i will use FMU, no intercooling and no bigger incjectors because at the beginning i want to have a soft charge max 0,5bar.

i will look for used m45 bypass from mercedes. do you think it will be good?

RacingGreen

Sorry, but I don't think, your plans will work out at all.

1. Running the supercharger unsuperchargerd: you need the biggest possible diameter as a bypass with good flow characteristics. The BOVs and recirculating bypasses are NOT big enough.

2. the overall idea:

You want to keep the clutch, but you want to use the existing 4-rib belt of the powersteering, don't you?

This means you only have a 1.3 :1 pulley ratio, this is way to less to make power. It could even be that there is LESS air moved by the supercharger than what is needed by theengine, meaning you are losing power!

So you have three choices:

ditch the clutch and get a smaller charger pulley
get a crank cover overlay
mount an additional crank pulley.

But nevertheless, I'm betting that you'll blow your motor during the first 200 miles...

Do you plan installing a wideband O2 Sensor?

blaise

so you're saying that bov and recirculating bypasses are not enough but the bypass block from MOSS for 150$ is enough?

i want to mount additional crank pulley to the powersteering pulley but i still don't know what size it should be so the maximal boost was 0,5bar. i think it should have about 15cm diameter... but i will have to calculate more specifically.

what is a crank cover overlay?

no, i dont plan installin a wideband O2 sensor. well not on the beginning. maybe in the future if i will be changing ecu and going with a bigger boost.

Toddcod

iTrader: (8)

I would sell the SC you are trying to fab. I tried fabing a A/C bracket once. Screw that. You will spend more money, and months of time, and it will probably never work.

You can piece together a a turbo kit. Way cheaper, and produce some mega power.
Just my opinion.

blaise

in Poland it;s possible to fab everything so i will try to do it

RacingGreen you said that in master brake cylidner there is constant vacuum. are sure? because it takes vacuum from inlet manifold. when it;s unsupercharged and WOT i guess the vacuum isn;t enough to keep bypass valve wide open. maybe this one way valve near master brake cylinder keeps constant vacuum even if there is no vacuum in inlet manifold?

do you think that bypass from mercedes with m45 eaton isn;t enough?

Toddcod

iTrader: (8)

I don't know about your answer, but if you want the best vacuum, just split a Y off the intake manifold. Best vacuum there is.

verch101

iTrader: (1)

Most of the Mercedes compressors use a electronic clutch inside the pulley instead of the bypass valve. This will disengage the pulley from the charger, and stop the charger from creating boost. Maybe you could rig up a vacuum switch to the charger.

NW Bill

You may want to take a look at this thread from the UK:
Mercedes M62 Supercharger Kit With Electronic Clutch Control - Forced Induction & N/A Power Mods - MX5Nutz Forum

Bill