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Boost!!! part two


schwiplarkin

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not sure who all saw my last post titled boost, but to keep you guys up to date my 76 280 with the draw through four barrel holley turbo set up is complete and i took it to the track last week. it runs wicked strong at 18lbs of boost and a mile above sea level , i only got two runs in but was very satisfied, 1st run was 13.77 at 108 with a 2.45 60 ft. i wasnt on my rev limiter so it took awhile to spool, second run was a 13.20 at 83mph and a 1.8 60 foot, as you can tell i was stomping on the brake at 34 track trying not to breakout, didnt work. this week i plan on installing my direct port nitrous and working on suspession stuff. i should be racing on the 5th of july so ill hopfully have a good video to post. hey sleeper z, long time no see, just want to remind you that i have your slicks, and appreciate you letting me use them.

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Hi Brandon, I was wondering if that was you. I looked at your "boost" post and thought it must be. I don't know of anyone but Ryan running a bug at 10.3@133.

 

The reason your 18psi of boost isn't blowing piston chunks out the tailpipe is 1) the altitude, and 2) no intercooler, so the air mass isn't great enough to run you lean -- with a 750 Holley you've got plenty of fuel I would think.

 

I will try to get to the strip to see you run in July. I get a vacation as the wife and kids will be out of town then. You are welcome to the slicks, I don't plan on using them. I think when you start hitting 1.8 and lower 60 foot times, axles will start snapping. You can also try running my drag radials as I am not running drags anymore and my tire stacks in the garage are hitting the ceiling.

 

I'm glad you are having some success with that car now. Too bad the injection setup didn't work out. Don't worry too much about hurting stuff as long as you are running rich. Shane was running 22 psi boost on an injected setup, stock engine, for many seasons with no issues. Do consider running the highest octane fuel you can get and an alcohol injection would give you added detonation resistance.

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