Quote:
Originally Posted by Bobsbarra
Hey guys ive read online that 100% stock Bf turbos with ZF gearboxes are meant to run 13.7 ive taken my car down to the drags ive run a few 14.3's with auto shift and car shifting by its self and ive got very low takeoff times, and then ive read another fourm and guys on there said that 14.3 is about the best you will get with a stock BF turbo so im just curious as to what times you guys have ran.
Thanks
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A couple of things to consider are.
1) Did you shallow or deep stage the car. That can typically have up to a 4 tenth effect on times.
2) Did you use 91 RON (RESEARCH OCTANE NUMBER) unleaded, or 94/95 RON E10 fuel, or 95 RON Premium fuel, or 98 RON Premium fuel.
I understand that 91 and 94/95 E10 fuels have a similar, or the same important MOTOR OCTANE NUMBER that is lower than 95 and 98 Premium fuels.
I've just found out that my stock FG XR6T loses 10% of it's rolling pace on 91 fuel vs 98 Premium.
So if you didn't use 98 or perhaps 95 Premium (I understand 95 Premium has a close MOTOR OCTANE NUMBER to 98 Premium, I think it's generally about 1 point less) then you might want to try these fuels.
Then there is the question of weather conditions. There is a good calculator on the NET that you might like to use to get an idea of how power friendly the conditions were.
www.wahiduddin.net
click on calculators, then click on, engine tuning using relative humidity.