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02-03-2002, 11:05 PM | #1 |
I got something to say
Join Date: Sep 2001
Location: San Diego, CA
Posts: 1,557
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Phenolic Spacer
I am going to take off the upper intake to fix a coolant leak sometime in the future. I was wondering if it would be a good idea to add a spacer and if so which brand? How much power do they usually make? Thanks guys (and girls)!
Later
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91 LX Hatch 5.0 - made for the twisties 89 LX Hatchback 5.0 5spd. stolen/stripped 4/7/05 http://www.mustangworks.com/cgi-bin/...splay.cgi?3494 1987 Toyota Pickup Ricer Haters Club Member #33 Want a custom gauge cluster for your Vintage Mustang? www.jmeenterprises.com |
02-04-2002, 12:24 AM | #2 |
I'd rather be basketweaving
Join Date: Feb 2000
Location: Indianapolis
Posts: 2,551
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you probably won't see any gain in power (that you can feel anyway)
what it will do is basically lengthen your runners and raise your powerband a little, so you'll be making the power a little bit higher in the RPM range. It will also help keep the upper intake cooler because there isn't a metal on metal contact between the upper and lower intakes. This will help add a little power but not a whole lot. I'd wait till you got an aftermarket intake and get one for that. also if you go more than about 3/8 - 1/2 " then your intake will rub your hood (unless you have a cowl)
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NMRA O/C 9516 NA pumpgas stickshift 347 10.65@125.6, 6.73@100, 1.41 60ft |
02-04-2002, 12:57 PM | #3 |
or '331 LX Eric'
Join Date: Jan 1999
Location: Columbus, Ohio
Posts: 2,142
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I've got a 1/2" spacer and it just touches the underhood felt lining - no dent in the hood though!
I got the spacer because my FMS valve covers were hiting the bottom of my GT-40 intake. E
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1991 5.0 LX Coupe - 40,750 miles 331 cu. in. / Tremec 3550 / BFG Drag Radials 12.22 @ 114.31 mph - w/1.89 60' |
02-05-2002, 10:02 AM | #4 |
Registered Member
Join Date: Apr 1999
Location: Hayes, Va, USA
Posts: 798
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Actually lengthing the intake with a spacer will lower the point where resonant tuning occurs in the manifold, bumping up torque and trimming off some HP.
However the insulating effect might be enough to maintain higher RPM power. Ideally your torque would be bumped up and there would be gains at all points in the rpm range due to the cooler manifold.
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2002 5M GT (99% stock) 1991 5M LX (30% stock) patiently awaiting my satin silver 07 Mach 1, and don't forget the shaker |
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