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| | | Forums66 Topics128,132 Posts1,056,376 Members48,441 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Oct 2005 Posts: 408 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 408 | i have several 235 engines and bellhousings etc. i am putting a 1957 235 out of a car into my 52 1/2 ton. i am going to use a 3 spd column shift and converting the truck to 12volt the engine was already 12 volt. i have 6 and 12 volt starters and several fly wheels with different teeth patterns, how do i know what matches up with what and what clucth should i use. Thanks Paul | | | | | Joined: Oct 2007 Posts: 388 Shop Shark | | Shop Shark Joined: Oct 2007 Posts: 388 | I did do all that you said, I put 58 235 into 52 AD to swap 216. Use your original Bellhousing, flywheel and clutch so you trans and started get bolted up straight.
Ganesh | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | If you are going to use a 12v starter, you should use your 1952 clutch-housing and a flywheel that came on a 12v truck (the starter teeth will match and last longer).
You could use any clutch assembly that bolts to the flywheel but you have to use a throw-out bearing that fits. The easiest choice for a clutch assembly is to use one for your year of truck (this way you'll get a pressure-plate and release-bearing combination that you know will work inside your clutch housing).
Tim
| | | | | Joined: Oct 2005 Posts: 408 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 408 | thanks for the info how do you match the starter teeth and the fylywheel teeth is their a ratio number/ ie. starter teeth this many and flywheel teeth this many. Thanks Paul | | | | | Joined: Oct 2005 Posts: 1,317 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 1,317 | The 6v flywheel has 139 teeth and the 6v starter drive has 9 teeth. The 12v flywheel has 168 teeth and the starter drive gear also has 9 teeth.....however, they are easy to distinguish between as the 6v starter drive gear diameter is over an inch in diameter and the armature shaft is about 5/8" in diameter. The 12v starter gear is less than an inch in diameter and the armature shaft is only about 1/2" in diameter. As mentioned the starter must be matched with the flywheel. However, you can run a 6v footstompstarter/flywheel combo on 12 volts with no issues. If a 6 v starter has a solenoid you will have to scout up a 12v solenoid.
Dave
| | | | | Joined: Oct 2005 Posts: 408 Shop Shark | | Shop Shark Joined: Oct 2005 Posts: 408 | Thats the info i needed thanks alot, Paul | | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | You can also install a 6v ring gear on a 12V flywheel if you turn the flywheel on a lathe. I did this to get a '62 261 flywheel with an 11" HD clutch to fit in my '50 truck with a '50 bellhousing and starter. I didn't want to have to run a 12V starter. It cost me $50 at a machine shop.
Paint & Body Shop moderator A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
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