Undead_Craftsman_OHV_20
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- Joined
- May 20, 2022
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Hi all,
Here is a dump of information in hopes someone is bored and/or helpful enough to base an analysis on any of it.
The manual for my beloved old family mower says the spark plugs should be changed every season. After 30 seasons, I think it's time. I'd like another 30 on this old nag.
It's a Sears Craftsman LT1000, Model 917.271920 with a Briggs & Stratton engine. I have purchased the new plugs from Sears parts direct but they won't provide me with any technical information on the engine.
I don't want to strip the threads on the cylinder heads, and I don't want loose plugs. I called Champion (plug manufacturer). Their rep told me they recommend seating the plugs at 18-22 ft-lb for aluminum cylinder heads, 26-30 for cast iron. He said that even the "hand-tighten-then-fraction-of-a-turn" recommendations would be different depending on the head material. In any event, I am too dumb and clumsy and not handy with machines to turn 1/16th of a turn, or whatever, reliably. So I got a torque wrench and I'm trying to figure out which value range is correct.
I don't know what the cylinder heads are made of. The part of the cylinder that has the model number stamped on it was rusty enough that I had to scrub it with vinegar and a wire brush to read it. But, I don't know what that tells me about the cylinder *heads*. And, aluminum corrodes a little, right? (It wasn't green "rust", though, so if I had to guess I would say that particular part is iron.)
Craftsman won't talk to me because my mower is a Sears Craftsman "exclusive" product that they don't support.
Sears won't give me this tidbit of information because they want me to buy a service contract and have them install my plugs. I got transferred to 3 different tech reps who cut me off when I said I didn't have a service contract, and they transferred me back to the people that kept saying only the tech reps had the information.
I haven't figured out a way to contact Briggs & Stratton as a consumer with a non-B&S branded product containing a B&S engine. Their "engine locator" has no documents for this engine.
My engine model number is as follows:
MODEL: 407777
TYPE: 0167-E1
CODE: 020518YG
I don't know why the emissions compliance label would help, but just in case, it says:
FAMILY: YBSXS.7242VF (and then a bunch of spaces, and then) 274844
Any help would be greatly appreciated! Thanks all.
Here is a dump of information in hopes someone is bored and/or helpful enough to base an analysis on any of it.
The manual for my beloved old family mower says the spark plugs should be changed every season. After 30 seasons, I think it's time. I'd like another 30 on this old nag.
It's a Sears Craftsman LT1000, Model 917.271920 with a Briggs & Stratton engine. I have purchased the new plugs from Sears parts direct but they won't provide me with any technical information on the engine.
I don't want to strip the threads on the cylinder heads, and I don't want loose plugs. I called Champion (plug manufacturer). Their rep told me they recommend seating the plugs at 18-22 ft-lb for aluminum cylinder heads, 26-30 for cast iron. He said that even the "hand-tighten-then-fraction-of-a-turn" recommendations would be different depending on the head material. In any event, I am too dumb and clumsy and not handy with machines to turn 1/16th of a turn, or whatever, reliably. So I got a torque wrench and I'm trying to figure out which value range is correct.
I don't know what the cylinder heads are made of. The part of the cylinder that has the model number stamped on it was rusty enough that I had to scrub it with vinegar and a wire brush to read it. But, I don't know what that tells me about the cylinder *heads*. And, aluminum corrodes a little, right? (It wasn't green "rust", though, so if I had to guess I would say that particular part is iron.)
Craftsman won't talk to me because my mower is a Sears Craftsman "exclusive" product that they don't support.
Sears won't give me this tidbit of information because they want me to buy a service contract and have them install my plugs. I got transferred to 3 different tech reps who cut me off when I said I didn't have a service contract, and they transferred me back to the people that kept saying only the tech reps had the information.
I haven't figured out a way to contact Briggs & Stratton as a consumer with a non-B&S branded product containing a B&S engine. Their "engine locator" has no documents for this engine.
My engine model number is as follows:
MODEL: 407777
TYPE: 0167-E1
CODE: 020518YG
I don't know why the emissions compliance label would help, but just in case, it says:
FAMILY: YBSXS.7242VF (and then a bunch of spaces, and then) 274844
Any help would be greatly appreciated! Thanks all.