Your right mike I have never put up any numbers at all. I guess my 11 second typhoon with stock pistons, rods, heads, headers, and cam is crap right?
So what did you run? What ET/MPH? All i heard was claims, no real runs at a track with a timeslip.
I never said that his 11.0 wasn't respected in my eyes because it is that is one hell of a run. I just wanted to make it clear that everyone things he knows all his shit and this and that but he couldnt do it and couldnt even keep the truck running.
Geez, I couldn't keep my truck running.. I guess it was a tuning mistake that forced my oil pump pickup to fall out?? I don't know my shit... but you do know the Syty's I suppose? I do custom chip calibrations, I do custom Speedpro cal's from scratch, I've worked on pretty much any bolt on you can do, done head swaps, cam swaps, pulled motors, trannies, xfercases... troubleshooting on every aspect it seems, analyzed datalogs to help people out... I guess I haven't paid my dues to be able to give out some educated advice. You are right, I'm not qualified. What have you done?
I did not know that Guy Lavy ran 10's with the 50's. he was using accel dfi and not speedpro right? Also what turbo is and was he using? I am pretty sure it wasn't somthing as big as a 72 s teh 50's don't supply enough fuel to support a 72
He had a 68, with 52# injectors. Is that enough homework for you? However I agree with you, don't run 50s for 10s, go with at least 75s to have some headroom.
As far as the 60's series vs the 72 turbo goes here is where I am coming from with this
What is the effiency range of a T66 turbo as opposed to the t72?
I can't answer that without being referred to as a know it all, although I could give you the answer. Go do your homework, then I can clear up your misconceptions.
You would need a stall through the roof to be able to make a complete pass being in the effiency rang of a 72 and a pretty damn big cam.
Is that a fact? I guess the trucks (yes plural) I have driven and tuned with 72s were complete dogs with all out race trannies. Oops, no they weren't.. they were surprisingly responsive. I don't want to advise people on my real world experience though, I'll just guesstimate based on stuff i've heard on the internet...
with the 66 you won't need as much. Yes I know you still need quit a bit but not as much.
Ummm ok. How about the peak efficiency on the 66 versus the 72.. ? Have you looked at that? The 66 is efficient at higher pressure ratios, like 25-30psi, the 72 is better at 15-25psi. I'm making this up, not based on my analysis of any compressor maps htough.
You look at all the fast cars out there that are able to run 10's and 9's on not that much hp. why you ask? look at the dyno charts. what is their torque curve's doing? they aren't steadyly climbing as your rpm's go up which they would pretty much be doing with a 72 as you get into its effiency rang they are flat across you are making mad torque throught you WHOLE pass. Now I am sure with a 72 you will see bigger numbers hp and trq wise but for how long are you actually making that much power? With a smaller turbo you can make less hp and torque but stay in your peak rang for alot longer than you would beable to with a 72 and that is where you get the best et.
Excellent technical generalization with no numbers, data, or factual information to support. Your above 'analysis' might hold true for a vehicle running heads/cam that don't flow that much, but for one moving a lot of air it just isn't the case. I'll stop now, because I feel the need to explain everything, but you just aren't worth it.
Last thing and then I am done:
I am not here to start or to cause trouble as you see I hardly even post anymore I just don't agree with the fact that people have to go out and spend 10's and 20 thousand dollars to get these truck running 10's thata is all
Why don't you share with us all of your experience getting Syty's to run 10s then? Oh wait, you don't have any....