what size cam?
Can't agree with you on that one...the camshaft in my engine is 236* intake @ 0.050 and the lSA is 111*
Smooth and no bucking after strong tuning, check the streetability video below:
http://www.youtube.com/watch?v=PL7h3QvOUFs
Christian
^^^ Fine... good for you..
But I had a 236/236 .580 .580 112 LSA with all supporting mods in my last Firehawk before I twin turbo'd it... and it would start to buck and surge around 1,700 rpm... at my cruise speed on the interstate... I'd have to put the selector in 5th gear or drive at around 85 mph in 6th gear to keep the drivetrain from tearing itself up..
I didn't just pull the "stay under 230" out of my ***, I'm judging from my OWN experience... good for you that you don't have the same problem...
(my car was street tuned with hptuners BTW)
But I had a 236/236 .580 .580 112 LSA with all supporting mods in my last Firehawk before I twin turbo'd it... and it would start to buck and surge around 1,700 rpm... at my cruise speed on the interstate... I'd have to put the selector in 5th gear or drive at around 85 mph in 6th gear to keep the drivetrain from tearing itself up..
I didn't just pull the "stay under 230" out of my ***, I'm judging from my OWN experience... good for you that you don't have the same problem...
(my car was street tuned with hptuners BTW)
^^^ Fine... good for you..
But I had a 236/236 .580 .580 112 LSA with all supporting mods in my last Firehawk before I twin turbo'd it... and it would start to buck and surge around 1,700 rpm... at my cruise speed on the interstate... I'd have to put the selector in 5th gear or drive at around 85 mph in 6th gear to keep the drivetrain from tearing itself up..
I didn't just pull the "stay under 230" out of my ***, I'm judging from my OWN experience... good for you that you don't have the same problem...
(my car was street tuned with hptuners BTW)
But I had a 236/236 .580 .580 112 LSA with all supporting mods in my last Firehawk before I twin turbo'd it... and it would start to buck and surge around 1,700 rpm... at my cruise speed on the interstate... I'd have to put the selector in 5th gear or drive at around 85 mph in 6th gear to keep the drivetrain from tearing itself up..
I didn't just pull the "stay under 230" out of my ***, I'm judging from my OWN experience... good for you that you don't have the same problem...
(my car was street tuned with hptuners BTW)
The LSA is a byproduct of the complete Valve Event decided by the camshaft designer, it can't be considered on it's own and doen't mean anything...
Your problem was definitaly Fueling vs. Timing related...with the nowadays tuning tools it can be solved with some experienced tuners.
You have some engines here around with 224/224-112 LSA camshafts that are bucking/surging badly (I went through this issue myself on a 116 LSA and three "tuners") , tuning (and the tuner) is an important factor to consider in the all package when going on a decision for a camshaft upgrade.
Hope it brings some lights
Christian
