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BUSY BOLTERS Are you one?  The Shop Area
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Jul 21st, 2025 | | | | Joined: Feb 2013 Posts: 7 New Guy | | New Guy Joined: Feb 2013 Posts: 7 | I have a carburated 350 (target engine) that used to have an auto tranny behind it.
I have a 3 speed OD that I would like to use with this engine in my 66 half ton.
The 3sp OD was on a 265, the 265 bellhousing bolts up okay to the 350.
The trouble is the starters, the old one is 3 bolt and the one that was on the 350 is 2 bolts.
What direction do I need to go to fix this problem ?
Any ideas or suggestions would be appreciated. | | | | | Joined: Aug 2012 Posts: 28 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2012 Posts: 28 | I did a similar swap. What I used was the 3 bolt starter, just had to grind a bit off the top ear to clear the 2 bolt mount on the block.
1954 GMC 9314 - 261 t5
| | | | | Joined: Apr 2005 Posts: 2,066 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,066 | There are no physical differences between the 265 engine and the 350. The bellhousing, flywheel, and 3 bolt starter will all bolt up. Make sure you have the truck bellhousing, however. A car bellhousing will not match up with the mount positions on the crossmember.
Fred
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine
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