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Run both of them. Depending on boost level, the worst case scenario would be two different pressure relief sounds.

I wouldn't rebuild period unless the thing is low on compression or using oil. Or unless of course you're looking to become 3 liters or greater. The big single conversion however I wouldn't wait for.

That'll make the power. What are you looking to make powerwise? Stock heads?

Race gas is never determined by boost alone. Right now I'm running about 17-19 psi on pump on a T66 strapped to a 1JZ with A/Fs in the early to mid 11s. Zero knock and it's never done anything to scare me while driving it. Here's how you should relate the need for race gas. 1. Your...

Are you staying FI or throwing a carb on that thing? LSX motors(and their sister engines) are the shit. They pretty much give you 400 to 500 whp for free with the right set up.

Sick as fook. I wanna see this thing roll on the highway and/or the track.

You've got a few options. You can run over to Toyota and try to buy the bolts if they are still available(bring yer lube), or you can find someone will to sell their hardware off an extra engine on the forum here in the FS section, or you can carefully find the thread pitch and bolt size as...

Well technically if they dyno'd the car in 3rd, it would make less power on the charts than what it really makes. The more load the better and 4th will be closer to a true 1:1 ratio. That is peculiar however. I know dyno's can spike pretty hard depending. What kind of dyno was this performed...

Andy, I mean no disrespect my friend, just merely asking a question. The op was asking about the swap and stock turbos got brought up. Conversations continued; what do you expect when making a statement like that? Smart assness ensues. That's what the Internet is for right? I am new...

Yeah what he said. OP, just rent them things. I've most likely done suspension work/swaps for over 20 different vehicles in my life and have never bought a set. It's usually convenient to rent and usually no money out of pocket. Auto parts store usually swap their rent kits out pretty...

Well maybe I should have chose my wording more carefully. Depending on how quickly it eats the seals, you could consume oil at an alarming rate. That mixed with negligence, running it low on oil could result in... Well I don't have to tell you. It's a worse case scenario however it does...

What do you want to talk about? Wiring up the harness? What transmission he's planning on running? If he's going to replace the PCV valve? I guess everyone is trying to have him avoid the inevitable but you gotta learn somehow. On a related note, if you would have asked me if the stock...

1.8 60 footer really isn't too bad for a RWD car on street tires. I'm kind of surprised by your trap speed though. At that kind of power levels you should trap well over 120 mph. 115 mph is an 11 second trap if you get out in a 1.7 60 footer and gear change like a pissed off teenager. My...

You do realize that 4 tons is approx. 8000 LBS right? Unless your car is a 1998.5 Dodge Ram 2500, you will be under 2 tons stock. Curb is usually around 3300-3400 LBS. What is your target weight? Are you looking to just drop the extra heft? Supras are heavy by nature, it's an 80's designed...

Is your AFs at 13.4 to 14.7 at WOT or when it's in closed loop(part/low throttle)? I've done some playing around with closed loop tuning on an SAFC, but only for cold starts. From dead cold starts the car idles around 10.0s to 11.0s AF, once it warms up and starts cycling my AF bounce 14.3 to...

Actually that's pretty close for a Nismo Z, rated at 350 crank assume 13-15 percent drivetrain loss(more for auto of course) and you're right about there. My old G35 Sedan(06 Rev Up model, 6 speed) made 274 wheel with full bolt ons; it trapped 105. Nismo 370z will trap 106-108, again assuming...

I hate to do it but "Dat shit Cray". I'm pulling the factory freak card.

What were his air fuels? What kind of dyno? 380 wheel and 370cc should be real scary(unless they're actually 440s). Duty cycle would be over 100% and/or A/Fs in the 14/15s at least. I had no idea stock 1JZ twins would even make that much power, however I haven't researched those much either...

Interesting. The last time I ran those cams was back in 2004 and it was on a 4G63; I was told they were regrinds which might have changed over the years. This particular 4G63 made 394 @ 26 psi(I think) with 272 BCs on a V trim on pump gas, which at the time was pretty huge. I've heard your...

I've got a set of 2JZ cams in my car along with a big single. Now I don't have any Dyno information to back this up yet, however the car feels like it just makes more and more power the closer I get to the limiter. My car most likely makes 350 - 400 wheel with the current state of tune(T66 at...