Thread: Top swap not making power! Help

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  1. #21 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by matt5112 View Post
    take a picture of what your guy did.

    That sounds super sketchy.

    Of what the dyno guy did under the hood? My car is still at the shop so I cant take a picture. I asked him what he did and he said something about connecting his wire to the plugs or something. I forget what he said.
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  2. #22 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by matt5112 View Post
    take a picture of what your guy did.

    That sounds super sketchy.
    Or are you talking about the bypass?
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  3. #23 Re: Top swap not making power! Help 
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    Quote Originally Posted by Steven Monteith View Post
    One of the first runs on the dyno the torque maxed out at 350 but the horse was like 170 with 10 degrees of timing and very low boost. The he hooked up the wires differently under the hood then both numbers were around 170
    This is discouraging.

    I would like to see what you have connected where.

    Better yet, google L67 vacuum routing diagram and see what comes up.
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  4. #24 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by matt5112 View Post
    This is discouraging.

    I would like to see what you have connected where.

    Better yet, google L67 vacuum routing diagram and see what comes up.
    This is before taking it to the dyno tune
    http://i1322.photobucket.com/albums/...edownload.jpeg
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  5. #25 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    i hope you or they cleaned up them plug wires, thats a mess. the rest looks pretty good, cant see the vac lines tho.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #26 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    yes plug wires were cleaned up
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  7. #27 Re: Top swap not making power! Help 
    The Blue One blueguy's Avatar
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    My next question would be, TB spacer?
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  8. #28 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by blueguy91 View Post
    My next question would be, TB spacer?
    What about it?
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  9. #29 Re: Top swap not making power! Help 
    The Blue One blueguy's Avatar
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    Why?
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
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    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  10. #30 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Does it negatively affect anything?
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  11. #31 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    re looking, the vac line at the left front rail there, it should have a T and then go to another T under the sc snout, in the lim.




    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  12. #32 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    [QUOTE=scottydoggs;918811]re looking, the vac line at the left front rail there, it should have a T and then go to another T under the sc snout, in the lim.

    Are you talking about the black rectangle plug with the yellow butt near the pulley?
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  13. #33 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    no the vac line that runs from right to left, its looks to be ending on the fuel rail, it should have a T there, and then the vac line continues to the nipple under the sc snout on the lim, where there is another T and the line then wraps around the back of the engine to the map sensor i believe its called.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  14. #34 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    heres a pic withe the T.



    and that T leads to this T under the snout.



    i just had all of these lines in my hands today. lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  15. #35 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Since my supercharger isn't making any power, does that mean I'm not going to get any power out of my XP cam? Because that's what the numbers are showing.
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  16. #36 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by scottydoggs View Post
    heres a pic withe the T.



    and that T leads to this T under the snout.



    i just had all of these lines in my hands today. lol
    The guy that did the tuning and dyno put in a T in the lower intake manifold, but not sure which hoses are plugged into it.
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  17. #37 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    im thinking your vac lines are messed up and your fuel is messed up due to it, im no tuner by far, but that vac looks wrong from the pic you posted.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  18. #38 Re: Top swap not making power! Help 
    GT Level Member Steven Monteith's Avatar
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    I'm confused, it's hard to tell which line goes where from the pics.
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  19. #39 Re: Top swap not making power! Help 
    GTP Level Member FriboRage's Avatar
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    The line is a hard vacuum line that goes from the bottom of the boost bypass valve over to that T, you can follow it directly, the T is then plugged into the nipple on the lim, and the other side on the T goes around to the back of the motor to the MAP sensor.

    As far as I can remember, that's all that's connected to that line.
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  20. #40 Re: Top swap not making power! Help 
    Killa Bee Scottydoggs's Avatar
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    right above the #1 in that first pic, 1 inch up on the fuel rail is a T, you dont have a T there in your pic. from that T the line runs under the snout to pic #2 to that T. then off to the rear of the engine to the map sensor. little black box over the rear valve cover, the line goes on a nipple under the map sensor.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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