Clifton Posted November 24, 2004 Share Posted November 24, 2004 Time for the T58 to find a new home. I'm going a little lower on the CR with a thicker MLS head gasket. With this and the h20/meth at hopefully 25 psi on pump gas I should be around 500 at the wheels . It's a P trim .70 a/r. Got it cheap, just needed seals. Heres'a comparison of the compressor wheels. 280ZX wheel, CT26, T66. Quote Link to comment Share on other sites More sharing options...
yo2001 Posted November 24, 2004 Share Posted November 24, 2004 Let me know about the T58. I might be interested Nice size compressor wheel. Let me knwo when you are ready for a T76. Quote Link to comment Share on other sites More sharing options...
Z-Gad Posted November 24, 2004 Share Posted November 24, 2004 Loved the T-66 on my car, ran a .58 a/r and had full boost ~3700 rpm's Enjoy!! Quote Link to comment Share on other sites More sharing options...
Tony240ZT Posted November 24, 2004 Share Posted November 24, 2004 I didn't expect you'd get around to it so soon, wow. That's great. Let us know what you think after it's bolted on. I'm running a similar sized A/R T61. My intake manifold is about ready to be taken over to the welder, just waiting to finish up my 3 1/2" turbo flange lift from my header that wouldn't clear the larger turbo. Should all be bolted together and on the road within a couple weeks. What machine work are you going to do to prep the surfaces for the MHG? Do you know of a shop near you that can do lapping? Thinking of purchasing the lapping tool from SONiC? Quote Link to comment Share on other sites More sharing options...
Clifton Posted November 24, 2004 Author Share Posted November 24, 2004 What machine work are you going to do to prep the surfaces for the MHG? Do you know of a shop near you that can do lapping? Thinking of purchasing the lapping tool from SONiC? I have used MLS HG's on my L28 and they held fine without lapping. I even reused one. I know the 7M has a design flaw though. I had the head surfaced about 1 year ago when I changed the stem seals. The block has been untouched for 180K miles . I thought about lapping, but lapping a block in the car would be a pain. I'm just putting it in and bolting it on. The compression might be a little low with the 3mm so if it goes in a year I'll try a 2mm. If you are looking for a Cometic gasket for your 7M or anything, http://paradiseracing.com had the best prices. Quote Link to comment Share on other sites More sharing options...
Cody 82 ZXT Posted November 25, 2004 Share Posted November 25, 2004 500 WHP Need some track times to go with that!!! Quote Link to comment Share on other sites More sharing options...
Bernardd Posted November 25, 2004 Share Posted November 25, 2004 With this and the h20/meth at hopefully 25 psi on pump gas What are you using for the meth/water? Kit, diy? What? I'm doing the same for next summer. I have some ideas on a cheapo progressive controller that controls pump speed off of a map, maf, tps, whatever you want. Bernard Quote Link to comment Share on other sites More sharing options...
Cody 82 ZXT Posted November 25, 2004 Share Posted November 25, 2004 With this and the h20/meth at hopefully 25 psi on pump gas What are you using for the meth/water? Kit, diy? What? I'm doing the same for next summer. I have some ideas on a cheapo progressive controller that controls pump speed off of a map, maf, tps, whatever you want. Bernard That would be cool. Especially if yo pulled a signal and made it progressive with the maf signal. And maybe had a gain knob aswell. Quote Link to comment Share on other sites More sharing options...
Bernardd Posted November 25, 2004 Share Posted November 25, 2004 The gain is something I have to work out a bit more. I have to replace a resistor with a potentiometer and it should work. Should be under 20 bux to get it to work. Quote Link to comment Share on other sites More sharing options...
Clifton Posted November 25, 2004 Author Share Posted November 25, 2004 It's a DIY kit. Kits cost $400. I have a little over $100 in mine with a higher PSI pump. I don't really need a progressive controller. I'm not using it for fuelling. I need it to control knock. With this turbo's trim and a/r full boost will be a little later than it is now. Probably 4K if I'm lucky. I will have enough airflow at the rpms that they will activate so it won't be to much. I have 2 nozzles. I will start with a 5 gpm at 12 psi and a 10 gpm at 18 psi. I have 2 other nozzles, a 3 and 15 gpm if I need to adjust. I have them on solinoids so there won't be a delay either. Having them come on earlier than 15 psi won't help as I can already run 18 on 91 oct. Quote Link to comment Share on other sites More sharing options...
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