924Board.org

emoore924 - never though of that....good point. when I rev it seems to go away (or just can hear it) and its relatively high pitched, now that I think about it, its about the same tone you hear when ...

Thank ideola! I finished reading those, I like the idea of the water cooled bearing housing, but not sure I want to go the route of freeze plug replacement for cooling water source. Has anyone had s ...

So i think my turbo is finally gone. Its still boosting however at idle there is the is odd rattle and vibration on the intake pipe, I'm assuming its shaft play in the turbo but haven't checked it ou ...

Well this started because I was messing with the idle and A/F ratio and noticed the micro switches were not being engaged at idle or WOT. (What does the idle one do? Is seemed to make no difference w ...

OK Smoothie was right. I had a vac leak. The rubber conector on the turbo pipe to throttle body must have been leaking. I put an Audi 4000S TB on it today, with a new connector hose (from Injen 3 1 ...

So if I understand this, on a 931 (M471) for 225 all the way around, I would need 1/4” spacers on the front?

Could I run 215’s in the front and 225’s on the back? No spacer? Not a good idea?

Wha ...

I have a cone filter and a rubber 90 deg. elbow on mine, did not feel any drop in performance (only gain) but would I? never dynoed it...interested to know if the stock box performs better than the co ...

So I checked for vacuum leaks, with water, then carb cleaner, then starter fluid. Nothing. So I disconnected the O2 sensor, and began adjusting the mixture screw. Smoothie you weren’t kidding about ...

this will wait till friday when I can see, checking this out late, in the dark with my crappy flashlight is not the way to go.

i'll let you know...THANKS!

so...I am gonna go with its bad when I remove the screw and put my 3mm allen wrench in the hole and all I hit is the sensor plate arm? The screw is about 3/4 inches long and is and screws down tight. ...

Ahh Yes air oil seperator, found that in another post later. - thanks

Made no difference, same smoke. Although tonight when I left work there was no (or very little) smoke. It seems to make a dif ...

Thanks Smoothie, Lizard, I will track down any vacuum leaks, with all the bad plastic on this thing I would not be surprised. The belt was just changed when I had the head re-done, less that 2000 mil ...

I am having the same problem as ossaman55. I had the headgasket / valve guides replaced. it smokes the same, (maybe a little less) even when they started it the first time, but only at startup for a ...

Hi All,

I am working with a low miles 1980 924 turbo, and am having an issue with the o2 sensor system. The details are below but my question is do I need it hooked up for any thing other than emis ...