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04-14-2003, 12:09 AM
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#1 |
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Semper Fidelis
Join Date: Dec 2001
Location: Cedar City, Utah
Posts: 654
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400 flywheel ?
I have a 79 good running 400 small block to put in my 72 K10 SWB Chevy and I have an sm465. I will need a flywheel for it for the 400. Since they didn't put in 400s in 72 in these trucks what year or type should I get? I am guessing any 12" flywheel off of some mid 70's truck would work. Will it be like finding hens teeth? I can get a new one if I have to. What do you think?
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72 Chevy C 20 with 402 For sale 85 GMC K2500  83 Trans Am Cedar City, Utah (Missouri Native) |
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04-14-2003, 12:20 AM
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#2 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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hens teeth
ive been looking for one for my 400, and sinse the 400 is an externally balanced motor, you have to find a weighted flywheel... and sinse very few, if any, 400s ever came hooked to a manual, there harder then heck to find
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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04-14-2003, 12:31 AM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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If you can find a circle dirt track in your area, try talkin to them. I don't know what class or anyting laike that, but I hear many of them do the 400 small block/4 speed deal.
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04-14-2003, 12:47 AM
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#4 |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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this is what the dirt track racers do:
http://cgi.ebay.com/ebaymotors/ws/eB...category=33616 (i asked my friend that races when i first started looking) or you can get an aluminum flywheel from summitracing.com, but its about $230ish |
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04-14-2003, 01:36 AM
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#5 |
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Registered User
Join Date: Dec 2001
Location: NW Iowa
Posts: 952
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I just bought a new externally balanced flywheel for a 454 from Northern in Sioux City, Ia. for $110. I don't have a catalog in front of me, but I wouldn't think one for a 400 would be much diff in price. If intersted I can get the phone # tom.
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04-14-2003, 11:44 PM
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#6 |
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Semper Fidelis
Join Date: Dec 2001
Location: Cedar City, Utah
Posts: 654
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great, thanks. I asked at auto zone ( I know but I stopped on a whim) and I checked for a 79 3/4 ton truck with a 4 speed and it was about a buck fifty.
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72 Chevy C 20 with 402 For sale 85 GMC K2500 83 Trans Am Cedar City, Utah (Missouri Native) |
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04-14-2003, 11:47 PM
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#7 |
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Registered User
Join Date: Apr 2003
Location: Federal Way, wa
Posts: 84
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I got mine out of a 79 GMC Jimmy.
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'67 LWB C-10, 406 cid th350, dunno what rear end Looking to rent a house in Puget Sound area, anyone have one? |
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04-15-2003, 12:29 AM
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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sb 400 only on that flywheel....used are hard to find! I am running a hays billet 400 sb flywheel on my 383($229 through jegs). As posted by hobby67stepside, you can get a stock replacement 400 sb flywheel through Northern autoparts for $110. It will be a 14" diam ,168 tooth ring gear, & accept an 11", or 12" clutch setup. You might check to be sure that the holes are drilled & tapped on the block for the clutch pivot ball, as most of the 400sb's were auto trans. Good luck,crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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04-15-2003, 01:05 AM
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#9 |
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huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,369
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90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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04-15-2003, 11:17 PM
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#10 |
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Semper Fidelis
Join Date: Dec 2001
Location: Cedar City, Utah
Posts: 654
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crazy longhorn, thanks. I didn't even think to check for the pivot ball hole. The Engine is out of the 79 Sierra Grande in my signature. I'll check it this weekend.
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72 Chevy C 20 with 402 For sale 85 GMC K2500 83 Trans Am Cedar City, Utah (Missouri Native) |
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04-15-2003, 11:22 PM
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#11 |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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thats something i never thought about... i need to go check mine!!
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04-15-2003, 11:39 PM
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#12 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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I have a bud that ran into the pivot ball issue, while installing a 400 in a camaro with a 4 spd. He said the bosses were there, but needed to be drilled & tapped.......but didnt find out till it was in the car(Oops!) Good luck, crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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