I'd tend to think the exhaust cams / exhaust flow would be more of the power limiting factor in a SC'd application?
the wastegate setup brings the power on earlier at a cost of slight top end power. In my case, the pulley setup is so aggressive that the power is there down low and the blower cant keep up once the rpms raise. The wastegate springs are set at 19.4psi but the boost doesnt quite get there.Nice torque number- Does the waste gate set up you run cause the hp numbers to be at a lower rpm on both the graph lines it is peaking and dropping @ 6600 ish if I am reading correctly. I figured it would be still climbing with the boss intake, unless it is running out of cfm feed from the blower? mine does and has peaked @ 73xx at less hp/boost and blower rpm. I don't know how your going to hook up on the streets it's going to be crazy. I just went back to a circle d from the stock converter and it is a joke trying to hook up.
Got the car on the dyno today for a few pulls with some odd results. The car picked up throughout the whole graph but it appears the d1sc is tapped out.
Before cams ...
825whp 724wtq
After cams...
867whp 759wtq
I ran out of dyno time to get it dialed in 100%. It was making more boost today but its out of the d1sc efficiency range.
No pulley change was made but i did change the wastegate springs. The tuning wasnt finished up so the dip from 6-6500 was playing with cam timing. I reverted back to the previous revision which has about 10ft lbs less but the 6000-6500 section was smooth for hp.i assume no pulley change was made , and what do you think is going on between 6 and 6500 ? .... i think you are definitely running out of blower you're about 1k bhp ..... cant wait to see some sub 9.5s man
Just watched the dyno video of your car- Very clean looking ride-
Just came across the video too.. looks good
id imagine pretty much similar results to what I got. 40whp and 35wtq for most of the curve.I'm having serious thoughts about trying these in the next month or so.
Wonder what they would do on my TVS car making 830 sae?
I'm having serious thoughts about trying these in the next month or so.
Wonder what they would do on my TVS car making 830 sae?
id imagine pretty much similar results to what I got. 40whp and 35wtq for most of the curve.
stock gen1 heads and stock exhaust cams with a boss manifoldSlow306Stang are you running the stock gen 1 heads? What about the exhaust cams, are those stock as well? Assuming from the dyno graph you are running the stock intake manifold? Reason I ask is I am getting a built short block and trying to decide whether or not to upgrade the heads and/or cams while I'm at it. I have the boss intake manifold so I was thinking of going with the L&M intake only cams and then possibly adding the boss 302 exhaust cams. However I know I might lose some low/mid power as these intake cams supposedly work best with the stock exhaust cams.
I did not change out the valve springs either. They are still the stock 2012 springs. One other item you may want to look into is getting the boss manifold ported. I wanted to get mine done before the dyno appointment but i just ran out of time.Nice, we have a pretty similar setup (procharger D1SC, boss IM, and gen 1 heads) so i may just get the intake only cams and skip exhaust cams and better heads. Especially since you were able to gain 40HP and 35TQ. I would be more than happy with that for less than 1k dollars.
One last question, did you upgrade the valve springs on your heads to support revving higher than 7k rpm and so you wouldnt have valve float?
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