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Jul 21st, 2025 | | | | Joined: Feb 2009 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 32 | I need a flywheel for a 58 235 are all years the same from 54 to 62 ? I found a flywheel that was supposed to fit but the dowel pins and bolt holes do not align thought it may be for a small block
Last edited by che57vy; 08/10/2012 3:30 PM.
| | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | Your best bet is to get one from 1956 or newer 235 or 261. Your truck is most likely 12v and the 12v starter works with a "12v" flywheel, which has more teeth than a 6v flywheel (168 vs 139, I think).
Last edited by tclederman; 08/10/2012 8:12 PM. Reason: added specific reference to sizes of engines
| | | | | Joined: Feb 2009 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 32 | Thanks that was what I was thinking but had not ran into the source for the information | | | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 |
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | | | | Joined: Sep 2011 Posts: 82 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 82 | I have 2 flywheels just sitting in the back of my truck. The one pictured has 168 teeth. flywheel
Last edited by New_Ton; 08/10/2012 10:38 PM.
| | | | | Joined: Feb 2009 Posts: 32 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2009 Posts: 32 | | | | | | Joined: Sep 2011 Posts: 82 'Bolter | | 'Bolter Joined: Sep 2011 Posts: 82 | | | | | | Joined: Sep 2005 Posts: 13 New Guy | | New Guy Joined: Sep 2005 Posts: 13 | Hope I can reopen this topic. I have a 261 engine from a 1960 Canadian Pontiac which had a Powerglide auto transmission with 168 teeth. I also have a 235 flywheel with 4 bolts on the crank flange.The 261 crank has 6 bolts and 3 dowels like the one showen by New Ton. Did 235 engines also have 6 bolt cranks? I too would like to get such a flywheel. Where should I look (other than the back of New Ton's truck) Gord
Gord
| | | | | Joined: Jan 2001 Posts: 5,320 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,320 | 4 bolt flywheels stopped in 1939 for Chevs, GMC's kept them much longer.
From 1942-62 216's, 235's and 261's all have the same crank bolt pattern. You just need to use one that matches the starter (6 or 12 volt), and clutch size you plan to run.
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Aug 2004 Posts: 1,400 ODSS Lawman | | ODSS Lawman Joined: Aug 2004 Posts: 1,400 | What is the tooth count? You may have a flywheel the GMC 302 guys would pay a pretty penny for..
SWEET Sergeant At Arms: Old Dominion Stovebolt Society BUNS?!?!?!Where we're going, we don't need no buns.....1950 GMC 450 1951 Chevy 1/2-TonThe GreenMachineIn the Stovebolt Gallery | | | | | Joined: Sep 2005 Posts: 13 New Guy | | New Guy Joined: Sep 2005 Posts: 13 | The flywheel is from an inline six maybe a 235. It has 139 teeth. The diameter is about 14 in. It is about 2.25 in. thick, but the clutch surface is recessed 1 in. The pressure plate is 10.25 in. and the friction plate is 9 in. Gord
Gord
| | | | | Joined: Sep 2001 Posts: 29,262 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,262 | The flywheel is from an inline six maybe a 235. It has 139 teeth. The diameter is about 14 in. It is about 2.25 in. thick, but the clutch surface is recessed 1 in. The pressure plate is 10.25 in. and the friction plate is 9 in. Gord Gord, A 139 tooth flywheel would have been 6v but it would not have been off a 235, which used 6 bolts (as described above, by Dave). It might have been off a 216, which were introduced in 1937, but 235s were introduced in 1941. Is there a casting code on the flywheel? Also, Dave's information is for USA engines - there might have been differences in Canadian engine? | | | | | Joined: Sep 2005 Posts: 13 New Guy | | New Guy Joined: Sep 2005 Posts: 13 | There are two numbers on the flywheel 838174 and A167
On the attached crank is 838877 on one of the balance nodes
I recall that there were semi circular replacable bearings on the engine.
Gord
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