Thread: What mph should I be hitting?
06-25-2013, 12:48 AM #1
What mph should I be hitting?
07 Rxp 215
fizzle 4" intake
42lb injectors (green)
R&d intake grate
fizzle ext. intercooler
Shorten j pipe 1 3/4"
tdr water box/riva thru hull pipe
pro series opas block offs
Reverse bucket trim
THANKS ANY INFO IS GREATLY APPRECIATED...
06-25-2013, 12:49 AM #2
Also should I change prop or wait till I put et137 charger later...
06-25-2013, 02:14 AM #3
Add bigger injectors with ext. intercooler
06-25-2013, 02:53 AM #4
How come? Doesn't the stock X come with these 42's with factory ext. cooler?
06-25-2013, 03:13 AM #5
06-25-2013, 04:40 AM #6
- Join Date
- Aug 2011
06-25-2013, 06:22 AM #7
With what you have should be 70-74mph depending on your overall set up. I would say 73-74mph if everything is good.
06-25-2013, 10:19 PM #8
06-26-2013, 07:16 AM #9
With the 137 you will need the 48's. You should be fine with 42's on the x. I run 42's with the et127 with no issue. AFR's are good. When all your mods are done, you have the the exact mods minus the different wheel and the best i've seen was 77.4 @ 8160rpm. As stated, buy the insurrance package, an AFR gauge!!!
06-27-2013, 07:46 AM #10
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