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Old 11-29-2010, 09:07 PM
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Default '64 GTO Radiator Oil Cooler Fitting

Can anyone tell me what size the fitting is on a '64 GTO?

3/8......... 5/16......??

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Old 11-29-2010, 11:51 PM
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3/8"

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Old 11-29-2010, 11:52 PM
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Thanks again Bart.

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1965 GTO Post Coupe, Burgundy w/Parchment, 467, Crower 60243, Rhoads V-Max, Ported 5C's, JB Roller Rockers, Original '66 Tripower, Dave's Small-body HEI, RA Exh Manifolds, 2.5" Exh X-pipe w/Super Turbo's and SS Splitters, Tremec TKO 600, 3.91 12-Bolt Posi w/bearing retainers, boxed frame, 4X Discs with hydro-boost, EPAS
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Old 11-30-2010, 06:19 AM
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My friend went out and removed the old radiator and he says it is 1/4" NPT.

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Old 11-30-2010, 06:24 AM
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Alan will call him today.

If he wants 1/4" NPT - that's what he'll get.............not a problem.

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1965 GTO Post Coupe, Burgundy w/Parchment, 467, Crower 60243, Rhoads V-Max, Ported 5C's, JB Roller Rockers, Original '66 Tripower, Dave's Small-body HEI, RA Exh Manifolds, 2.5" Exh X-pipe w/Super Turbo's and SS Splitters, Tremec TKO 600, 3.91 12-Bolt Posi w/bearing retainers, boxed frame, 4X Discs with hydro-boost, EPAS
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Old 11-30-2010, 06:47 AM
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Just wanted to let you know. I will now get out of the middle - again - hopefully this time for good.

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Old 11-30-2010, 09:47 PM
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The radiator will ultimately need to have 3/8" inverted flare fittings to mate up with the cooling lines.

You can of course use a 3/8" inverted flare male connector that has 1/4 NPT threads on the other end to mate up with the trans cooler built into the radiator that has 1/4 NPT female threads.

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