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400hp 301?

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Ade001x View Drop Down
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Joined: 02 Oct 2018
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    Posted: 04 Oct 2018 at 7:03am
My question isn't on how to make power but at 400 or so horsepower what weak points are going to be an issue with a 301? The bottom end is my main concern but I'm sure other things should be taken into consideration.
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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: 04 Oct 2018 at 7:19am
Bending connecting rods would be your first concern.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 11:57am
Will the crank still be happy or is it time to get a custom crank made?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 12:09pm
We still use a stock 200 crankshaft at 1200 HP. Didn't girdle the main caps until over 800 HP.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bsallis180 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 2:26pm
Just a side note after rods use a crank drive oil pump and weld the gear rot shaft it Will spin the drive gear on the oil pump shaft.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Beirnesy Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 6:22pm
Originally posted by DrAllis DrAllis wrote:

Bending connecting rods would be your first concern.


1969 220,1967 190DXT,1968 190DXT, LGT's 710,,716
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Ade001x View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 6:40pm
I knew the rods weren't that great wasn't sure about the crank. Will just the 7080 injector tips be enough or will they need to be reworked?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 04 Oct 2018 at 10:39pm
I believe Max Simpson used to sell hardened rods, but I thought I remembered reading that he wasn't doing it anymore. Anyone have any idea where to buy hardened rods?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 2018 at 7:17am
7080 injectors (.0148" holes) won't get you the desired 400 HP.  I'd guess at least 4 hole x .0200" or bigger.   What injection pump are you thinking ???
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 2018 at 7:36am
Probably a Bosch p7100, it'll be pretty easy to get parts for and have more than enough fuel
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bsallis180 Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 2018 at 7:54am
If I was you and 400hp is all your after rethink that to an A pump not as much grinding and cutting to make it fit.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 05 Oct 2018 at 12:43pm
I'm a machinist so I'd probably make a new front plate if it came to it
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 21 Dec 2018 at 8:24pm
Did the 2800 blocks have provisions for piston cooling jets or is that something that would have to be drilled
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bsallis180 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Dec 2018 at 8:29pm
Have to drill them
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 21 Dec 2018 at 9:56pm
The maroon 7000 tractor engine in about 1977 had piston cooling, while the older ones didn't. Don't think I've ever seen a 2800/185/ F combine engine drilled for piston cooling, but there could have been. If they did do that, they just used upper main brgs that blocked it off unless the block became a turbocharged 2900 instead. Not hard to do. I've done 3 or 4 over the years. Hole size is important.

Edited by DrAllis - 21 Dec 2018 at 9:58pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2019 at 10:39am
Couldn't find 3/8 banjo torque specs in service manual for the injector lines, anybody have this off the top of their heads?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2019 at 10:55am
It's the German standard - goodentight ! 

I don't know how you would ever get a torque wrench on all of them.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bsallis180 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2019 at 2:59pm
I always Losses and tighten a few 5-6 times like your lapping a valve to seat the sealing washers
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2019 at 5:05pm
What about the nozzle nut on the injector, I'd say it's a bit more particular to a specific torque than a crush washer.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bsallis180 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Feb 2019 at 7:26pm
According to the book it’s 20-25ft.-lbs.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2024 at 7:20am
Trying to revive an ancient post here but I'm finally getting around to executing on this. I've since re thought things and I'll shoot for 300hp, honestly I'll be happy with 250 but now I've got more questions. Currently have an A pump getting 10mm barrels and plungers put in it, engine has allis injectors, should I go with Bosch style? It's going in a pickup so I'd like decent drivability, at 300hp what turbo do you recommend? And until I can think of any other questions has anybody put a fluidampr on a 301?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2024 at 3:13pm
I've used the viscous damper from a 7080/7580-N5/N6. Take a solid cast pulley from a 180/185 or F combine and machine off the front face to make a pilot hole for the damper and drill 6 holes to attach it. Bosch injectors are probably better. Holset turbo from a B-Cummins should work if it isn't too big. A waste gate would be good.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 10 May 2024 at 7:03pm
Yeah, I was looking into an hy or hx35, probably gonna end up going with the hx. Now I've thought of more questions, with the Bosch injectors how is the availability/ interchangeability of the injector tips? Will sourcing larger tips be an issue? And finally until I think of something else how much boost can the head gasket take?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 11 May 2024 at 8:40am
Back when I first started pulling (1976ish), we never worried or had head gasket issues on any 301's in that HP range. Somewhere/someone would have Bosch injector tips for 300+ HP to fit right on your Bosch bodies.  A D-2800 has 16 to 1 pistons. A D-2900 from the 1972 era and newer (200-7000-7010-7020) are 15 to 1 pistons. These help in "bottom-end" life and piston head scuffing against the sleeve. Also makes them start a little harder.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 10 Jun 2024 at 2:13am
So will the 7080 tips not flow enough for 300 horse? I've read a few places about the 301 dropping valve seats, I don't plan on beating on it, is that something I should be concerned with?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2024 at 10:22am
Unless your application is open RPM tractor pulling, I don't think valve seats will be an issue. We sometimes see exhaust temps of 1600 degrees F and that for sure will get to the valve seats in time.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jul 2024 at 4:31pm
Anybody got a part number for a crank driven oil pump gasket?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 24 Jul 2024 at 6:36pm
74024001 from AGCO.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ade001x Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2024 at 10:50am
Something that's slipped my mind until now, will the OEM grade 8 fasteners (head, mains, rods) be happy at 300hp or is it time to upgrade?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2024 at 4:04pm
Bolts will be fine.
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