Originally Posted by
Zero Tolerance
I'll read that article but I do also have a new clutch to break in. I'm just listening to what the builder is telling me - who seems to be very experienced in building race cars. Not Audi's - but other makes. I listen to what more knowledgeable people tell me and go from there. But like I said - I'll read the article and take it into consideration.
Everyone has their own break in method, but in the end you really should indeed go with what the engine builder recommends. They are the one who are the hook if something goes wrong, so it is in their best interest to give you the advice that they feel will be most beneficial to you not coming back and costing them money on warranty work.
For race motors, we do what pretty much everyone else does (like phil said); strap it on the dyno, get the rings broken in real quick, and go. The primary thing is setting the rings; once that is done, everything else is relatively minor. 50 miles and things are basically as broken in as they will ever get. I did a stepped break in procedure that involved getting the rings set, and then slowly adding rpm and boost. If you look up Gearhead's procedure, I followed something pretty much the same thing. My motor has 10k on it, running strong, no smoking.
Arguments for both sides, however, most of the cars I've seen that do dyno break in and then full blast are race cars and are getting rebuilt pretty often and also run at a pretty extreme level where looser ring tolerances are good as the heat rises.
Originally Posted by
NOTORIOUS VR
Single turbo kits/conversion are all fine and dandy, but on the B5 chassis for the most part make it look like a bomb went off in the engine bay. Unless you're going all out I don't see much of a point to go with a STK over a well developed and sorted twin setup.
I basically agree that a twin turbo can be a better choice for someone, and often I recommend going with a proven eliminator style twin turbo kit over a single turbo. 770R's are expensive, but with supporting mods they've been shown time and time again to produce great useable power; especially on a 3L (Zero!!!). =)
However, the engine bay is up to the end user; most people going with an STK I think are generally looking for performance, rather then stock aesthetics. If someone wants to take the time, they could do it very nicely. I personally think my engine bay looks far cleaner than it did on GT's, but to each his own.
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