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#1
08-31-2017, 08:04 PM
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NOS crosflow muffler
Found a NOS GM 495854 muffler . Please help ID. I know it's for a firebird, Date code is 12/ 78. I think it's a replacement for a SD?
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Drive it ! 69 Trans Am 70 Trans Am 76 LE 50th 455 hardtop 87 GTA 69 Firebird convert 99 30th Convert 73 SD Formula |
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#2
08-31-2017, 08:23 PM
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I looked in 3 GMPD catalogs and could not find it, newest was a 1981 printing. So next are measurements. Are the inlets 2.25 or 2.50? Outlets 2.00 or 2.25? Is it for sale?
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#3
08-31-2017, 09:16 PM
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I won it in an online auction. I havent picked it up yet. I'll measure the inlets and outlets when I get my hands on it. anything is for sale at the right price.....
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Drive it ! 69 Trans Am 70 Trans Am 76 LE 50th 455 hardtop 87 GTA 69 Firebird convert 99 30th Convert 73 SD Formula |
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#4
09-01-2017, 09:03 AM
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Not sure your source or reasoning? Link?
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Mike/Illinois |
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#5
09-01-2017, 02:40 PM
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pictures, Box part # is 73-4 SD, inside box appears to be service replacement in 76 Inlet and outlet measure 2.25
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Drive it ! 69 Trans Am 70 Trans Am 76 LE 50th 455 hardtop 87 GTA 69 Firebird convert 99 30th Convert 73 SD Formula |
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#6
09-01-2017, 03:33 PM
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with only a six digit part number - that's an older one for sure!
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#7
09-01-2017, 04:31 PM
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494952 3.701 All F/S.D MUFFLER (repl. 492428) 1 1973 1973 3-56
494952 3.701 All F/455 S.D MUFFLER 1 1974 1974 3-56 Looks like a winner! Chad .
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1966 Ford F250 Deluxe Camper Special Ranger Custom Paint - San Jose plant http://www.ford-trucks.com/forums/12...al-ranger.html 1966 Ford F250 4x4 Red/White 4-speed - San Jose plant 1966 Ford F250 4x4 White 4-speed - San Jose plant http://www.ford-trucks.com/forums/11...-f250-4x4.html 1971 Trans Am White/Blue 4-speed limited options - Norwood plant http://forums.maxperformanceinc.com/...d.php?t=757496 |
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#8
09-01-2017, 06:13 PM
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I will be selling it, any advice on value?
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Drive it ! 69 Trans Am 70 Trans Am 76 LE 50th 455 hardtop 87 GTA 69 Firebird convert 99 30th Convert 73 SD Formula |
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#9
09-01-2017, 06:59 PM
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25.00 I'll take it
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#10
09-01-2017, 08:03 PM
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Parts for sale belong in the classifieds, please post an ad in the appropriate classified forum.
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#11
09-01-2017, 11:25 PM
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b-man, I posted here to verify it's the correct part and get an idea of value before posting a sale. If I decide to post a sale I will do so in the appropriate classified forum.
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Drive it ! 69 Trans Am 70 Trans Am 76 LE 50th 455 hardtop 87 GTA 69 Firebird convert 99 30th Convert 73 SD Formula |
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