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30 ounce

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30 ounce last won the day on August 18 2010

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About 30 ounce

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  • Birthday 03/16/1966

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    Milliiken, CO
  1. Depends on which T56 you have. Mine has 2.66 first gear and with my 3.9 rear end and 24.85" tall tire and a shift point of 6800 rpm (my redline is 6900) first gear is 48.48 mph. In 6th gear top speed is calculated at 257 mph. Plugging in your 4.08 rear end I get 46.34 mph for 1st and 246 top speed for 6th. Obviously we can't pull 6th to those speeds but I don't think you need to worry about running out of gear. Trackspeed is right though...1st gear goes by in a second...no matter what rear end you use. I like my 3.9.
  2. Don Potter Racing Cam?

    Here is my 3.0 liter dyno with Isky 490 cam and SU carbs. I have a later dyno that I can’t locate where I had the timing and carbs tuned much better. It looks pretty much the same but peaked 13hp more. And for Sh!ts and giggles my new LS1/T56 combo on the same dyno.
  3. Too many choices, HELP RB VS L28

    Getting that much RWHP out of 3.2 NA liters is going to be tough. It will be a high strung high compression engine that will probably require race gas. Going the turbo route makes things a lot easier but that is still asking a lot from 2.6 (guessing here as you didn’t state which RB) liters but completely doable and driveable but the RB’s I’ve seen making that much power have significant turbo lag. I also hate turbo lag but love the power. I use to poopoo the idea of putting a V8 in the Z chassis but after seeing a few beautiful LS1 swaps and riding in one I decided to go that route and have no regrets. It is so well mannered that it could be daily driven and power is instant, no turbo lag at all. I have more torque at 2000 rpm than my 3.0 liter had at full song. It put down 397 RWHP. It’s addicting! Maybe the Datsunworks head and twin turbos could get you there but your going in uncharted territory. I’d do it if I had the cash!
  4. Depends on how much you want to deal with the wiring. I got a wiring harness from http://www.wiringspecialties.com/ls1wihaforda2.html and it was literally plug and play...started on the first try. It was really well made. The harness that came with my LS1 was hacked a few times and really brittle. I probably could have used it and even got a book to help figure out what I need and didn’t need but I figured by the time I replaced all the damaged connectors and wiring and added my time in I would be better off paying for the new harness.
  5. Oh, the exhaust manifold/Headers. Just looking at it sure looks like the stock one will be a problem. It dumps right where our steering shaft exits the firewall.
  6. I just looked up the crate LS3 and it listed the hp at 435 and tq at 425 so I’m not sure if your getting something different than that but all of the LS stock style and FAST intakes will fit except possibly the truck intake which a crate engine wouldn’t come with unless you specified it. You will need to change the oil pan as the one pictured is too far forward. Here is a picture of mine with the strut bars showing how low the engine sits in the chassis.
  7. I used Hoke Performance 240Z mounts for my late 260Z (280 chassis)with an LS1/T56 and it works fine. Hoke's new 280Z mounts offer more room for the exhaust system, I used Hawks (American Racing) headers and had to downsize the exhaust from the header 3" out to 2 1/2" then back to 3" to feed through the mounts. The 280 mounts should easily fit a full 3" system. It didn't seem to effect my power output though. The steering shaft is a tight fit through the headers too. As far as I can tell it doesn't rub. The other problem I had was the LS1 alternator is different than the LS2 I had to trim the back plastic cover on the alternator just a bit to clear the motor mounts.
  8. LS1 260Z Project

    Made to dyno tuning. Ended up with [email protected] and 352 lb [email protected]
  9. LS1 260Z Project

    Hawks/American Racing Headers 1 7/8” long tubes. 3” duals to Y to 3” single to Magnaflow straight thru MF Performance muffler.
  10. LS1 260Z Project

    Finally! First and second start. A few things left to iron out but it runs and drives.
  11. Almost finished with my LS1/T56 swap and have a question about the final wiring hookups. I have a Sikky wiring harness that made it really simple to integrate everything but a I few questions. The harness has a "Charge Cable" that hooks up to the back of the alternator as well as the single "sense" wire that is plugged into the alternator. The Camaro battery cables have an extra wire that looks like it connects to the alternator also. Do I need to have a connection directly from the battery to the alternator like that?
  12. Cold Air Induction

    Thanks! That works!
  13. Nearing completion of my LS1/T56 swap and I'm having problems locating a 92mm 90 degree elbow to fit my FAST 92 throttle body. They all list 4 inch elbows but I measure 4 3/8" outside diameter. Any suggestions?
  14. L28 dual duty build

    Honestly you will have way more trouble dealing with tuning the triple Weber's than a big cam. I had Isky 490 lift 290 duration and it was totally fine for street use. I used a pair of bored out SU carbs and all my friends with triples said not to change to triples as mine ran so well and triples would just be a headache. I would highly recommend a well set up set of SU carbs for the street. As for the ignition I would go with one of these 123ignition datsun.
  15. Holley Red fuel pump

    Yes, to still available.