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Retrospec became C7Carbon. They have been suspended as a vendor due to an outstanding dispute and exceptionally poor customer service. See the open dispute here for details: http://www.supramania.com/forums/showthread.php?154782-Dispute-against-Vendor-C7-Carbon-filed-by-Supra-NA-T

Common causes: Wheel bearings Cracked / warped brake rotor Tire with a bubble on the inner sidewall hitting a shock or suspension component or something attached to the tire. (Road debris, etc...) Driveshaft out of balance, or something attached to the driveshaft (look for wire, etc that has...

Fixed that for ya! ;) It may not be the solution, but it's a good place to start for a baseline. What worked with factory cams generally won't work well with upgraded ones. You've got a completely different profile. Regardless, you're not going to get a perfectly smooth idle at factory RPM...

Might explain the psychotic replies we get to some of the political threads...

Yup, same here, I haven't bought a physical disc in years...

Get on the bus Albert... :D

Get on the bus Albert... :D

The vaccum issue is likely the cams. If your exhaust valve is open at the same time the piston is in downward motion, it's going to draw some of the exhaust back into the cylinder at low RPM rather than air from the intake. That "lumpy idle" that cars with big cams have? Like this...

Maybe we should take a step back here and understand your full mod list... Yea, big cams will make your idle quality drop considerably. Depending on how much overlap you're running, you can get really pig rich under those circumstances. Driveability always suffers in exchange for high end...

I thought about that, but he wouldn't be able to lower the base FP if that were the case, no?

Hrm... Ok, an AFC should be able to manage 550's. (I've seen them mange 750's successfully with a few compromises). Normally I'd suspect a return line restriction, however you wouldn't be able to reduce your base FP if that were the case. I'll PM a few people and ask them to take a look at this...

Base FP is right on the money. Running an S-AFC in that power range is pushing the limits of piggyback tuning.. What size injectors are you running?

Ok, just checking. We've had some people do silly things around here. What about the other 2 questions I added above?

What are your power goals that you need such a ludicrously large fuel pump? What is your base fuel pressure set to @ idle with the reference hose disconnected? What led you to believe you needed a bigger pump?

They are so bad that it is the only product we've ever had a special rule for in our classifieds rules: http://www.supramania.com/forums/showthread.php?65773-Classified-Rules-(Updated-11-27-2011) Specifically:

Sure can, in fact we nearly require it. :) :ttiwwp:

DrDucttape, you should probably read over this entire section before doing anything else: http://www.supracentral.com/foundation/tsrm/engine-mechanical/ In it you'll find answers to the questions like the one above: It also contains various tests and measurements you should be making along...

Looks good man!

Pistols are almost always louder than rifles. I find .22 pistols will cause my ears to ring after a few rounds. We have a Ruger 10/22 and you can shoot that without ear protection all day. I've used .22 subsonics in pistol and they are really quiet while still being hot enough to cycle a Ruger...

Yea, I've seen that before. Absolutely beautiful. Price is insane IMO, but that looks like a mint condition Supra.