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#1
06-10-2007, 01:26 PM
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Do I need gaskets?
Are gaskets needed between the ram air exhaust manifolds and the downpipes. I can't remember if I took any off....Now that I reinstalled the engine it seems to be leaking there. Any tricks to getting this to seal??
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#2
06-10-2007, 01:48 PM
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Quote:
The flare on the pipe seals on the taper of the manifold. You might have to tighten them up a few times before the shape of the flare conforms to the taper, I had to retighten mine several times before they finally sealed up.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
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#3
06-10-2007, 03:42 PM
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Some might object to using sealants and what-not, but i put a thin layer of Permatex copper around the flange mating surfaces just to be extra cautious. Additionally, I took my dremel tool to any irregularities on the flange surface beforehand. With my RARE system, I also had to straighten the flange a bit using a ball peen and a block of wood. Seems to seal real well.
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1967 GTO Tyrol Blue/Blk Cordova 400, TKO-600, 8.2 Posi w/3.55 400 + .020, decked to .005 SD Performance 240+CFM 670 heads RARE HO/RA manifolds RARE 2.5" Exhaust (18" Magnaflows) SD "Stump Puller" HR cam (230/236, 112LSA, 107.5 ICL) PRW stainless 1.52 roller rockers Forged TRW slugs SCAT H-Beam forged rods |
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#4
06-16-2008, 02:43 PM
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I have the 2 1/4 in HO manifolds with 3 stud flange, I see that Pypes only sells the 2 1/2 inch down pipes, Is there someone who sells the 2 1/4 inch down pipes?
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#5
06-16-2008, 04:45 PM
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Quote:
Quote from Ram Air Resterations web site. "Collector opening is 2.25" Exact reproductions from GM blueprints. Although a 2.25" collector, you can use our 2.5" mandrel downpipes or 2.5" Ultimate Systems with these." http://www.ramairrestoration.com/catalog/
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Its ok to giggle and snicker, Dont laugh and point Last edited by Ollie; 06-16-2008 at 04:53 PM. |
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#6
06-16-2008, 05:19 PM
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Ollie, I missed that. Now I need to decide if I want to go with an X pipe.
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#7
06-16-2008, 10:15 PM
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no hijacking
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#8
06-17-2008, 11:36 AM
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Be careful with the wrench on the manifolds. Very easy to break an "ear" off.
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