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How much HP

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allispuller View Drop Down
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Joined: 12 Nov 2012
Location: illinois
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Topic: How much HP
    Posted: 21 May 2020 at 9:17pm
How much horsepower can a WD45 read end and transmission hold?
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 2020 at 6:53am
More if you run light, go fast and let the wheels spin. Less if you run heavy and use grampa gear with no slippage. 
If it was fun to pull in LOW gear, I could have a John Deere
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 2020 at 7:12am
Tire size, lug profile, wheel speed, engine RPM's and weight are the factors. I know of some that make 100 HP @ 1400 to 1800 RPM and pull up to 5,000 lbs with 15.5 x 38's and never have any problems. When you say "rear end" that includes the transmission, which a WD45 trans can tolerate more than an old WD with the straight gearshift.
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allispuller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 2020 at 2:16pm
I guess the reason I’m asking is that I was thinking about doing a 292 Chevy swap. Was just curious on how many issues I was going to have with the rearend ad transmission holding up to the power.
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PaulB View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: 22 May 2020 at 4:03pm
I know of a modified that is a WD that had a 350 with an automatic and something like 23.1X26 tires that runs 4500 to about 6000. It runs fast and spins and hasn't had any problems. Sometimes more HP and spinning is not as much strain and just enough HP and tied to the ground. 
If it was fun to pull in LOW gear, I could have a John Deere
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