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| | | | Joined: Jul 2012 Posts: 11 New Guy | | New Guy Joined: Jul 2012 Posts: 11 | Truck is a 49 3100. Engine is a 235. I'm hearing a subtle tapping when cold so thought I'd check valve clearances. But discovered that I don't know if I have hydraulic lifters or not. Here's what I found on the engine:
Flat plate behind distributor: F410A
On block above starter: CON40 AD 57 (not sure if it's an A or a dimple).
On cyl head above intake manifold: 3836848 GM10
On block below distributor: 383004
On cyl head above plug #3: B50 848/850
Hopefully this provides enough info to ID.
Appreciate any help,
Mike | | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | I can't match the block number and I guess nobody else can either. Are you sure it's correct? Or: Pull the side lifter cover off and check that way. You'll know for sure than.
Drew
| | | | | Joined: Jul 2012 Posts: 11 New Guy | | New Guy Joined: Jul 2012 Posts: 11 | How will I know? What should I look for beneath the side cover? | | | | | Joined: Oct 2004 Posts: 1,780 Master Gabster | | Master Gabster Joined: Oct 2004 Posts: 1,780 | Most likely the casting number is 3837004 which is a 1955/57 235 engine
The 848 head came on the 1956-1962 engine. | | | | | Joined: Sep 2010 Posts: 695 Shop Shark | | Shop Shark Joined: Sep 2010 Posts: 695 | The side cover removed, would allow you to see the lifters. | | | | | Joined: Jul 2012 Posts: 11 New Guy | | New Guy Joined: Jul 2012 Posts: 11 | It's definitely 383 004 (nothing in between). Sorry for my inexperience, but...with the side cover off, how would the lifters of a hydraulic system look different from push-rod? Will I simply see the pushrods? | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | the 55 shop manual is here - close enough to the probable year, should tell you what to look for, but it's unlikely it's got hydraulic lifters Bill | | |
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