Originally Posted by
DezSlash
Need some help fellas. This past weekend ran my 21-4c, 9853, and unknown long header. Standard d8 clutch with trimmed shoes, sidewinder team strike 30%. For a 7 minute quality came in near empty, 230*. Track is pretty open, long straights and fast sections Any suggestions, maybe another pipe and header combo for better fuel mileage?
The combo that you have i think is a good combo for power but not for mileage
Use a nova 9901 and the 41021 header and use the 6.5 restrictor and don't be afraid of closing the needles and bring it to 245 degrees and you should be fine