Im still running the stock fpr on my car, and will continue to do so when I get my new #'s this spring, and they will be in the 550-565 rwhp range.
Hey GMKILLER, I was wondering if you ran your car on a dynojet or mustang dyno when you got those 265hp and 309tq #'s? Not saying my #'s should be the same, but relatively close. My car has almost the same boltons that you did when you got those #'s. Do you still have the graph? How much timing were you running? Did you have it tuned at that point, or just that lucky?
When I was doing a lot of research on fuel pressure regulators, I came across a lot of respected people indicating that when the the stock fuel pump is replaced with larger and more powerful tank and inline (or both) pumps, sometimes the stock regulator can't handle it and doesn't perform accurately. What I was trying to say is that you'd get the beefier aftermarket unit and set it to stock pressure.
Adam
Thanks, I still think I'm going to have it tuned. Now that a good picture of the dyno is up, can anyone tell me if that A/F ratio looks ok?
I don't think I'm going to get an FP regulator. I just want the car to run safely and maybe pick up some power. I am pretty set on getting it tuned. I don't have any more money to sink into in for a while because I have a baby girl on the way and that's way more important. Can anyone please verify from my dynograph if the Air/Fuel ratio looks ok? It seems to be ok after 2500rpm, but I'm not sure what all the lines mean because there is no key.
Yes it does, thanks Grady
The reason I said 14.0 to 1 right off the bat was because that's what the dyno guy told me before I even saw the graph. I guess it stuck in my head, and I wasn't completely sure about reading the graph to verify it. Do you think it's worth having it tuned?
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