Thread: Twin engine GTP project progress thread

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  1. #1 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Quote Originally Posted by darkhorizon View Post
    "Antilag tune" is vauge
    Tried timing retard, timing advance. Large and small amounts on both sides.
    DIfferent fueling settings (RICH, LEAN IN BETWEEN)

    The best setting was stock timing map down low with 12.5 a/f ratio.

    But remember I stall at 1600rpm and under 8 psi of boost 2700rpm within 3.5 seconds, that is very low and it acts different than the other motor that stall easily to 3600rpm + under boost in 2 seconds
    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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  2. #2 Re: Twin engine GTP project progress thread 
    GTP Level Member TwinV6GTP's Avatar
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    Raised the boost. Manage to get half decent auto shifts on the 4t80e trans.
    Big power now... can't wait for this weekend. This video shows a little of what it is like inside the cabin.

    2015 Custom Twin Engine Nascar style car with dual GTP 3.8 drivetrain, Front trans 4T65e-HD, Rear 4t80e trans 1/4 mile 8.38 @ 165mph
    2000 GP Twin Engine Twin TD Turbo kits. Stock engines stock trans(s) stock injectors stock MAFs 0-60mph 1.8 seconds 1/4 mile 9.72 @ 139 mph
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