Author Topic: M42 on twin webbers is it worth it? (Read 13068 times)

Gunni · « **Reply #15 on:** March 22, 2007, 05:11:00 PM »

Explain blown motor?

Donkeyshins · « **Reply #16 on:** March 22, 2007, 05:19:34 PM »

Expensive bits of engine becoming worthless fragments of engine.

Overboosting can result in holed pistons, broken rods, anguished cries and towtruck bills.

This is not to say it can't be done, but it's gonna cost you.

-D

Shocker · « **Reply #17 on:** March 22, 2007, 05:43:43 PM »

the stock motor can easily handle 10PSI

Nick_318is · « **Reply #18 on:** March 22, 2007, 06:13:25 PM »

Throw buckets full of money at the m42 and thats how you get 180hp or more.

Gunni · « **Reply #19 on:** March 22, 2007, 06:55:01 PM »

10psi on a 10:1 compression engine is nothing special.
As long as the tuning is good and your not getting exhaust reversion into the engine your fine,

Massimo · « **Reply #20 on:** March 22, 2007, 07:35:27 PM »

Well are you looking for a 180 hp at the wheels or motor if its at the motor then thats not to hard. Get a chip that will instantly bring you up to around 150 to 160 hp. then remove the cat, about another 5 to 10 hp gain. ant then get some cams that should give you another 10 hp and you are there. but if you want hp at the wheels then get a complete new computer, a race spec blue printing on the motor with ITBs and new fuel and ignition system then maybe you will get a streetable 180 hp at the wheels.

m44power · « **Reply #21 on:** March 23, 2007, 11:30:08 AM »

andd.... what you gone do for ignition

? and fuel presure?

i you want my opinion: We have the best injection system (exept this stupid VAF) dont touch it

sheepdog · « **Reply #22 on:** March 23, 2007, 12:38:56 PM »

Quote from: Gunni;22026

10psi on a 10:1 compression engine is nothing special.
As long as the tuning is good and your not getting exhaust reversion into the engine your fine,

That IS NOT true.

On a Honda 10psi on 10:1 is no big deal. Not every engine can do this. On many v8's you can barely run 10:1 on premium. On some cars 10:1 is pretty damn high compression.

sheepdog · « **Reply #23 on:** March 23, 2007, 12:45:13 PM »

Lets take stock here guys..

This motor is now becoming known for having oiling issues at 150k miles.
It is also known that it does not take more than a chip to require 93 octane fuel. In other words, in stock form, the heads suck.
Most of these motors are around 150k or so miles and are known for thrust bearing wear. Bad oiling only accelerates this.

For the 230hp/10psi setup...
Do you REALLY think doubling the horsepower is a good idea without freshening the motor?

Will it do it, possibly, but for how long?
At that point, even the slightest miss-judgement will result in a trashed motor.

You are not dealing with an indestructible Honda or Toyota who's worst fear is pretty much a blown head gasket.

Then there is the human factor "I am bored lets try 11 or 12psi" or "I can win this race if I just go a little higher".

nickmpower · « **Reply #24 on:** March 23, 2007, 01:23:35 PM »

my thrust bearing looked amazing at 135k