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#21
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Quote:
& been using the fibre/paper gaskets supplied with hedman D-port headers on a 78 t/a 400 for 10+ years with no leaks or problems. just to retorqued after a few heat cycles then check every season. im sure remflex are the best, but guess im just lucky with stock paper ones or the cheap priced mr gasket ultra seals. |
#22
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No problem with Felpro for me.
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#23
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It sounds like every brand and type of gasket works great. Good to know!
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#24
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Remflex here. Zero leaks.
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'71 Holden HQ Monaro - 3850lbs race weight, 400c/i - 11.4 @ 120 '66 Pontiac GTO - 389, 4 speed street cruiser |
#25
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Had good luck with Mr gasket, and usually whatever brand(headman), tubes your running.
Brand is not as important as break in, I tighten mine the first 5 times it cools after install, then in 2 -50+ mile trips, then check ea time i do plug, or oil change. Hate a blown gasket, feels like u lost 50hp, lol
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1970 amc rebel 4-door, faded blue paint,290 emblems on car, 455 under the hood.Turbo 400,3.15 gear. Best so far 1/8 et,8.90 on street tires, Since that I have added 400 heads. I call it a rat sleeper. |
#26
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Percy's aluminum on both headers and collectors. Leak free forever.
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Triple Black 1971 GTO |
#27
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I just got on Remfes's website and punched in the info for a '65 GTO and got zip. No gaskets. What part number are you guys using for D port heads on a 389/400?
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Jeff |
#28
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Go to "GM" and then down to Pontiac on their website catalog -- but Summit's price is much lower.
12-001 is the standard D-port size 12-002 is the large D-port size Here's the Summit link:Remflex 12-001 Gaskets On my street cars I am totally sold on Remflex. The two drag cars and the test stand I use the soft aluminum multi-layer since the headers come off pretty often. I stopped using copper because the ones I purchased didn't always seal up the small gaps. While the copper leaked a little at least they never got any worse.
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Mick Batson 1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress. Last edited by lust4speed; 01-20-2020 at 03:13 PM. |
#29
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Just as Mick specified above, the Remflex 12-001 is the standard D-Port gasket. Search around for that number on Ebay, Amazon, and other places on the net for the best prices. Just remember, if you are buying just the gaskets, you will have to pay an extra $9.99 shipping from Summit/Jegs if you are not spending over $99, so you may find them cheaper from another source.
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1978 Trans Am Pump Gas 461 Stroker Last edited by TransAm 474; 01-20-2020 at 07:27 PM. |
#30
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Quote:
https://www.google.com/url?sa=t&sour...JmOWbiL1oVxcIF
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1978 Trans Am Pump Gas 461 Stroker |
#31
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Remflex vote from me as well, can't beat them!
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Your car must be very fast ! Because you were haulin ass when I passed you in my GTO. |
#32
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Thanks, guys! I appreciate it.
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Jeff |
#33
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Quote:
Thanks for any info. |
#34
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Triple Black 1971 GTO |
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