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I saw the picture of your car on page 31 of the March 2006 Turbo. Very nicely done. Sean

Thing is about an intake manifold is your never actually storing/building any pressure without a bleed off for long periods of time. You will always have an intake valve open giving the pressure a place to go ie. into the cylinder. I did however apply 60 psi to my manifold and let it sit there...

just want to say thanks again to sean for making my vision a reality. i think he did an awesome job. Anytime, plus it makes it easier when you have a good concept to work from. Sean

The car has been over 360 rwhp for 4 years now at least and 450 for about 600 to 1000 miles. I appreciate all the compliments and now were going to cut loose a high horsepower automatic car. Stay tuned for that one. on a side note- what about that white 200 behind it? i heard its a real beast...

With this set up you get full boost by 4600 rpm, spool starts at 3500 rpm. You are over 500 rwhp at 5500 rpm and the rev limit on this car is 6400 rpm. Peak torque is at 4600 rpm and then it holds over 400 rwtq until redline. Sean

All Willie wanted was to break 500 rwhp tonite, so we stopped there.

We ran into some issues before when we made 462 rwhp/399 rwtq at 17 psi on Willie R's 91 Supra. I had not had a 7m that the torque was that far off from the horsepower before. So I started looking for problems. Specs on the car were a stock engine internally including a new style Toyota...

Anything over 55 mph in most places is too much for the street. I have had a goal since I started building mine to break 1000 rwhp. I'm by no means in any competition with anyone. In fact the more high horsepower 7m's the better as far as I'm concerned. As far as what am I going to do with...

Yes, I'll post header progress. I would like to try to set a new stock block record for the 7m. It might be how fast you can blow one up. Ha Ha. Dave I'll see you tomorrow. Sean

This turbo is for mock up only so I can build my turbo manifold.

I thought I post a couple of pictures of the new turbo I'm going to put on my car. It's a GT42 with a 74.3 mm inducer and a 102 major with an S trim turbine wheel. I'm going to run a 1.01 a/r housing for a T4 and keep my 4 inch to 5 inch exhaust system. Sean

I had a SP67GT on my car with both a .68 and a .81 housing on it for a T4 flange. The turbo had a p trim with a 3 inch v band adaptor on the back of it and a .70 TO4S compressor housing which has the 4 inch inlet and 2.5 discharge. I made 450 rwhp/418 rwtq @ 16 psi,518 rwhp/475 rwtq @ 19 psi...

I had to upgrade the ignition on mine when I started blowing the spark out at 29 psi on my SP67. I tried colder plugs and new wires, plus different coil packs and even an ignitor just to make sure I had a good ignition system. I run NGK wires on the car and have no problems at all with them. I...

Dave Henry(1-701-730-6313) is where I get all my turbo's and injectors and such related parts. You can go through him or Dave Boykin(dbsupra90).

What about the whole collector? I like the collector design as I'm going to be running a 1.01 a/r T4 housing for a GT42 also and would like to have the split turbine inlet. I'm weighing out whether to build my own collector or buy one. Sean

57% is correct. This means your engine will have to turn 14000 rpm to cavatate. Set the rev limit at 13900 and let her eat! Ha Ha. I have a book that does supercharger pulley's for the amount of overdrive for how much boost you want ot run. Ron, how much did you pay for your turbo flange from...

Ron I do have a source for the flange. You can reach him at marshall.murray@streetdynamics.com. Great guy to deal with and one hell of a fabricator like you. I think you'll be fine on the oil pressure. The main thing to make sure of is you can have all the pressure in the world but you need to...