Real-world AFRs at WOT...

87vert · Post by **87vert** » Mon Jan 23, 2006 5:54 pm

i ran 12.5 NA, with the turbos i run 11.3 under light boost less than 5psi and above that i run 11.0.

T3Bunny · Post by **T3Bunny** » Mon Jan 23, 2006 11:43 pm

Enthalpy wrote:OEMs have to make cars with catalysts that will last 100,000 miles in every car. Yikes! We don't have that restraint. Most modified engines won't last that long anyway.

I have built a few engines that have lasted over 100k miles... I may build performance engines, but I sure as heck want them to last. Of course no matter what you do one will not last so long under full race conditions. But ALL my street engines I personaly build are done so that I DON"T have to take them apart later.

When I blew up my fourth Fiat engine in three years, I went over to VW's. I have YET to blow up a dub engine I made. I have about ten years on building VW engines now....

Now I am trying... I am going forced induction on a few of these. I actualy have one we are poking at right now and abusing just to see how much an 8v engine can take before it pops. I am hoping for some spectacular carnage on it! But to be fair its factory built with like 200k on it... I just built the engine waiting to replace it!