roi Posted December 12, 2022 Report Share Posted December 12, 2022 I picked up this engine over the weekend and need some help identifying exactly what it is. I was told it came from a 1958 Dodge D100. On the pad it’s stamped - TP 23 and a very light 101 or 1C1, no other numbers. What year do I have here? Quote Link to comment Share on other sites More sharing options...
roi Posted December 12, 2022 Author Report Share Posted December 12, 2022 Here’s the date under the distributor, Quote Link to comment Share on other sites More sharing options...
Los_Control Posted December 12, 2022 Report Share Posted December 12, 2022 Looks like TP23 could be a 1960 230 CI. https://www.t137.com/registry/help/otherengines/19581968engines.html Quote Link to comment Share on other sites More sharing options...
Veemoney Posted December 13, 2022 Report Share Posted December 13, 2022 The pad and stamping to me look to have had some rework. I don't recall see a stock pad with a burr like that at the bottom. The TP23 also appear larger than the rest of the numbers. Just my observation at first glance. Quote Link to comment Share on other sites More sharing options...
desoto1939 Posted December 13, 2022 Report Share Posted December 13, 2022 just from looking at your picture I can see the number 10 still stamped into the boss. But as has been stated it looks as if the original numbe has been ground off. So to me this indicates that the engine was rebuilt at some time. Hard to state the original engine number and year. Rich Hartung Quote Link to comment Share on other sites More sharing options...
DakotaFrank Posted December 15, 2022 Report Share Posted December 15, 2022 Not to sidetrack this discussion, but what truck models would have come with a 230, or any flathead motor, in 1960, since the Slant 6 was released that year? Novice question. Quote Link to comment Share on other sites More sharing options...
Sniper Posted December 15, 2022 Report Share Posted December 15, 2022 W300. military trucks to name two. 1 Quote Link to comment Share on other sites More sharing options...
DakotaFrank Posted December 15, 2022 Report Share Posted December 15, 2022 42 minutes ago, Sniper said: W300. military trucks to name two. Thanks! Quote Link to comment Share on other sites More sharing options...
roi Posted December 15, 2022 Author Report Share Posted December 15, 2022 (edited) I found this on allpar in regards to the 1960 model year, The L-head six – notably, not the just-introduced slant six – was the old flathead model with 230 cubic inches and 120 horsepower at 3,600 rpm. Torque was 202 lb-ft at a low 1,600 rpm; the compression ratio was 7.9:1. Features included exhaust-valve seat inserts and chrome-plated top piston rings. It was standard in all Dodge low-tonnage trucks. Edited December 15, 2022 by roi Quote Link to comment Share on other sites More sharing options...
DJ194950 Posted December 15, 2022 Report Share Posted December 15, 2022 5 hours ago, DakotaFrank said: Not to sidetrack this discussion, but what truck models would have come with a 230, or any flathead motor, in 1960, since the Slant 6 was released that year? Novice question. Not an answer to your question but a add-on? Mopar flat 6's were sold for many years after 1960 auto/truck use for commercial uses- air compressors , forklifts (often combined with the fluid drive setup) airport tugs , on and on. Last was about 1967? I believe i read somewhere but many new motors still available in the pipeline for more years? DJ 1 Quote Link to comment Share on other sites More sharing options...
Sniper Posted December 16, 2022 Report Share Posted December 16, 2022 I know when I was in the Nay, at my first duty station (84/85), our forklift had a MoPar flat six in it. Every time the motor pool got done servicing it I had to undo their work. That was my first exposure to that engine. 1 Quote Link to comment Share on other sites More sharing options...
JerseyHarold Posted December 16, 2022 Report Share Posted December 16, 2022 I have a Chrysler Industrial Engine service manual from the late 1970's, so I imagine the flathead sixes were still being built at the time. 1 Quote Link to comment Share on other sites More sharing options...
DakotaFrank Posted December 17, 2022 Report Share Posted December 17, 2022 Thanks all. 1 Quote Link to comment Share on other sites More sharing options...
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