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safe boost levels

Discussion in 'Turbo Cobras' started by termcobra281, Jun 10, 2019.

  1. termcobra281

    termcobra281 Active Member Established Member

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    I hate to say it but thats kind of funny but not ..
     
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  2. turbovenom

    turbovenom Member Established Member

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    I think it’s probably been the best way to learn lol after the time and money/repeat you learn quick lol lot of great info on this post almost sticky worthy of the neewbs to this stuff
     
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  3. 01blckcobra

    01blckcobra Active Member Established Member

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    Stock 03/04, straight 93 i kept my car at a max of 15/16psi. 11.3 a/f. 17 degrees timing. Ran up to 21psi 93/110 mix. At 17psi ran 93/ 25% 110. 21psi 93/ 75% 110

    4" inlet 76mm 4" exhaust. Motor 100% stock for 5 years on turbo setup. Dozens of passes as a 10.5 whipple car also. back in the day before turbos were popular.
     
    Last edited: Jun 24, 2019
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  4. 01blckcobra

    01blckcobra Active Member Established Member

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    out of the dozens of TTY bolts i replaced the heads lift at 25-27psi lol

    On stock 4032 and rings I won't run much past 21psi. Also let the car cool down between runs. don't make one pull after another, will melt a piston.
     
    Last edited: Jun 24, 2019
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  5. termcobra281

    termcobra281 Active Member Established Member

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    Thanks for the input. The car is a weekend play toy I dont drive it much at all. I bought it in 2012 and have put roughly 3,000 miles on it in 7 years. I will put it down the track once in awhile for the fun of it. I probably wont make but 650 wheel hp for the street and I ld like to get 800 wheel for the track runs just to cut some good times in the 1/8th. Im not much worries about hp numbers long as the car is happy and lots of fun to drive. I have a couple guys in my town that like to talk one is a 306 n/a fox with big gears and one has a 572 crate motor so I just need to bust them so they can shut up.
     
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  6. 01blckcobra

    01blckcobra Active Member Established Member

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    whats the setup? have the supporting mods to plant the power shouldn't be very hard on low boost. unless they have a few stacks of bens stuffed in them

    Just cleaned up my 93 tune. should hit [email protected] 16psi.
     
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  7. termcobra281

    termcobra281 Active Member Established Member

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    I have MM coil overs #250 springs, UPR k member, UPR front control arms, steeda full length subframes, J&M upper and lower rear control arms with upper and lower torque box plates, stock springs on the rear, bilstein struts, strange 10 way adjustable on rear, I also have a airbag in the rear spring, 17x11 ccw d110s with a 325/45/17 M&H racemaster tire. The engine is stock with .20 manley pistons and rods, arp 2000 head studs, cnc stage 1 heads cleaned up, 76/75 BB precision turbo, hellion single kit, turbosmart boost controller, return style fore L2 kit with dual 465 pumps out back. The only thing that I havent upgraded and will need to this coming winter is to a 26 spline input shaft with Mcleoad rxt clutch. I have a stage 3+ spec right now.
     
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  8. termcobra281

    termcobra281 Active Member Established Member

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    I have to add I forgot I built the rear end also, I bought the car and dude said the rear was built 2 days later blew the rear end up. I pulled the cover and sure enough it was a stock 8.8. I ended up doing 3:73 ford racing gears, trutrax locker with 31 splines built straight 8.8
     
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  9. 01blckcobra

    01blckcobra Active Member Established Member

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    Shouldn't have a problem going mid 9s try the rear shocks at 4 clicks.
     
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  10. termcobra281

    termcobra281 Active Member Established Member

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    I have them dialed in at 5... Need to figure how much air to put in the airbag also
     
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