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I've been doing a good bit of math here tonight, out of boredom. I've figured out all the ratios for all available underdrive pulleys and all available s/c overdrive pulleys.
It seems that with a 42% a 2.93 and even a 2.76 overdrive pulley can be safey used on an all-stock 3.8. Running a 2.76 upper with a 42% lower will net an additional .445" of hood clearance and a 2.93 will net .36" of additional clearance. it may not sound like much, but I think it's a pretty big difference combined with the newest supecharger plates.
I have to wait until to I get home to run everything through the simulators, but it looks like a 2.93 on a 42% UDP will net around 11psi with NO trailoff in boost or efficiency, and a 2.76 with a 42% will have VERY slight inefficiency @ 2500rpm.
I'm looking at some other option, as it seems that with either a Whipple 140AX or 170AX body we can reduce the amount of overall hood clearance and increase the efficiency while also completely taking of any heat issues.
When I get a chance to run my simulations and account for a ton of other variables, I'm gonna see if there is a possibly of manufacturing my own custom supercharger JUST for our application with the ability to increase boost levels safely and efficiently.
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Friggin OTards
Quote:
I learned an important lesson in the art of debate. Present your argument clearly, arm yourself with cutting wit and of course, bob and weave!
my neighbor owns an autobody shop but he quote me $400 which I thought was a bit high. I dont want to get it done at like macco though. I love the looks of the SVT hood. So I was thinking maybe I can find a used one but wait till i find it in my color, then sell my old hood for $200 to make some money back .
red fire is a HUGE PITA to spray, its like a 3 step/coat job.
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2004 Ford F350 6.0 PSD
MBRP 4" turbo back, no muffler/kitty, autometer boost/pyro/trans, SCT X-cal with innovative tunes, MISC appearance, fisher MM2,
not installed: arp head studs, cooling mods, 03 turbo, cfm "small mouth" elbow, ARP head studs, BPD EGR delete
SOLD:
2002 Mustang v6 vert
LTs, catted H, K&N FIPK, SCT X-3 with vmp tunes, misc appearance
What about the "Butterfly valves?" I've heard that some guys with F/I have had problems with the valves sticking shut. Would it be alright if you running low boost (M112 with 10% ASP pulley)? Or should it be taken out altogether?
IMO if you are going to upgrade the lower intake then you might as well take out the IMRC's. I don't remeber who it was but when his IMRC's opened his smooth dyno graph started getting really choppy, and he said that his tuner was having problems tuning around the IMRC's.
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XX Under Construction XX
No longer a 232
red fire is a HUGE PITA to spray, its like a 3 step/coat job.
he did say something about a tri-coat, I dont know much about paint but I assume thats the same thing lol. I have the same color as you I'm 99% sure but I thought it was "torch red" or is that the same thing just different name.
Would it be a bad idea to put an m112 one my car? it has 110,000 miles, and my dad just thinks that the engine will blow.
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2002 mineral grey sixer
Straight pipes with flowmaster 40s; AM cold air; GT rear bumper; Terminator front bumper; Eibach Pro-Kit and GT rear sway bar waiting for install; black bullitts coming soon, hopefully
It depends how well the engine has been taken care of or not. If not it probably wont handle the compression too well. I think a compression test is the best way to tell but ask some of these guys who know more.
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