WHY AM I GETTING A BOOST SPIKE? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 07-15-2007, 05:40 PM Thread Starter
 
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WHY AM I GETTING A BOOST SPIKE?

I HAVE A FOX BODY WITH A 60MM TURBO SETUP I JUST PUT ON AND AS SOON AS I GIVE IT ANY AMOUTS OF GAS IT WANTS TO SPIKE UP NEAR 20PSI UNTIL I LET OFF AND IT KEEPS SPUTTERING ALSO WHEN I GET IN TO IT.I HAVE A 9# SPRING IN THE TIAL WASTEGATE.AM I SUPPOSED TO HAVE A VAC LINE ON THE WASTEGATE IF I DONT HAVE AN ADJ.CONTROLLER?

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post #2 of 4 Old 07-15-2007, 06:11 PM
 
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Yes you should have a vac line on the waste gate.

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post #3 of 4 Old 07-15-2007, 07:51 PM
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Without the vacuum line the waste gate won't work.

1979 Mustang coupe, EFI 393, A/A intercooled Eaton m122, 4r70w trans, Megasquirt II, T-top swapped in.

1990 Mustang, 545 BBF, C-4 with brake, ladder bars, tunnel ram with two Predator carbs, solid roller cam, 9", 390/45r15 drag radials.
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post #4 of 4 Old 07-15-2007, 08:54 PM
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Vac line coming from before the tb goes to the lower port. Top port is vented to atmosphere.

80 coupe, N/A 347, tko500 1.34, 6.30 @ 109.01, 9.87 @ 137.06

16 GT, daily driver on pump 93, Procharger 1.42, 6.31 @ 109.59, 9.80 @ 141.57
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