Making an Allis 301 bigger on a budget February 15, 2019 11:18AM
Anybody had any experience or knowledge on the most cost effective way to get a 301 up to 400 cubic inch or so?
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Re: Making an Allis 301 bigger on a budget February 15, 2019 12:48PM
John Deere sleeves will get you to 362 easily and cheap. Bigger is going to cost a bit more. Winking
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Re: Making an Allis 301 bigger on a budget February 15, 2019 12:51PM
Unless ur running a after market head more cubes wont help you.
What hp r you trying to make?
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Re: Making an Allis 301 bigger on a budget February 15, 2019 01:16PM
About 400. Enough for speed limit classes. The tractors winning the class now are around 350 to 400. What Deere sleeves and pistons are people using Robert? I had also heard that stock rods aren't good to hold much power. If you still use the stock rods with the Deere pistons and sleeves, are the stock rods strong enough to use?



Edited 1 time(s). Last edit at 02/15/2019 01:38PM by Massey Farming.
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Re: Making an Allis 301 bigger on a budget February 15, 2019 01:32PM
We used any jd 404 sleeve. Bored the block and put the lip at the bottom to support it and cut the top of the sleeve off we ran alcohol 90lbs boost for years.
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Re: Making an Allis 301 bigger on a budget February 15, 2019 01:57PM
We have put 125 lbs of boost to stock (hardened) rods with good bolts and no issues.
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Re: Making an Allis 301 bigger on a budget February 16, 2019 04:11AM
400 is easy to make without going big cubes the limiting factor is the roosa master pump
300cc of fuel a good cam hardend rods with arp bolts and a box stock s300 turbo 4x24 injectors
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Re: Making an Allis 301 bigger on a budget February 15, 2019 03:15PM
On a budget 362 be the biggest. 383 would be the next to most reliable then 405 with out stroking crank and 414 would be absolute biggest with a stroked crank. If you don’t want a garage pet 383 be it
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