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head gasket |
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O.P.S. Heads
Orange Level Access Joined: 02 Jan 2013 Location: Iowa Points: 574 |
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Head studs on a 301 are not necessary and would be a waste of time and money.
I realize you are trying to avoid problems down the road which is good. With that said, if the engine is already assembled I would run what you have until it blows. When it does, fix it. Blowing a head gasket won't hurt the engine any. A 301 with stock conn rods just might bend a rod before it blows a head gasket. Ain't that right Robert C!! Edited by O.P.S. Heads - 18 Apr 2014 at 7:52pm |
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19574 |
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40 psi with or without studs is pretty close.
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Ronnie
Orange Level Joined: 23 Mar 2014 Location: New Brighton Points: 557 |
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g I don't have a head gasket problem I just wanted to see how far I could push the stock head gasket before it blows and I was just saying with out studs
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19574 |
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You asked about head bolt STUDS. I know of many diesel 301's that run 100 to 110 lbs all the time with regular A-C head bolts. I know of one that used to run 140 psi boost with three turbo's that had A-C head bolts. Whatever you're thinking, studs won't fix a head gasket problem on an A-C.
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Ronnie
Orange Level Joined: 23 Mar 2014 Location: New Brighton Points: 557 |
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That's a lot I was told 40 pounds was pushing it
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19574 |
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160 psi.
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Ronnie
Orange Level Joined: 23 Mar 2014 Location: New Brighton Points: 557 |
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How much boost will kill a stock head gasket with out head studs
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19574 |
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Timing is one of those things, that if a little is better, a lot more isn't better. 32 to 34 degrees on a 301 is usually best.
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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When pump was build they had said to put it at 35 degrees an advanced was locked.
Will it hurt anything to run less timing.
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O.P.S. Heads
Orange Level Access Joined: 02 Jan 2013 Location: Iowa Points: 574 |
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Don't forget too much pump timing on a 301 will kill stock rods and head gaskets too. There is a point with pump timing where no power is gained. Retard two degrees from that point.
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Ronnie
Orange Level Joined: 23 Mar 2014 Location: New Brighton Points: 557 |
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How much boost were u runing with stock turbo befor it bent the rod
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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I had just picked up a hx 35 was running stock turbo til I bent a rod
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Ronnie
Orange Level Joined: 23 Mar 2014 Location: New Brighton Points: 557 |
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Im runing a 301 with an hx35 and it does farly well
How much boost were u making befor u blow the head gasket |
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injpumpEd
Orange Level Access Joined: 13 Sep 2009 Location: Walnut IL Points: 4781 |
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The place that makes the seal rings is Seal-Tec 630-692-0633. They are in Oswego IL. You have to tell them what you want made, they don't have application info. If you prefer, I can buy them, and sell you the 6 you need. The price has gone up some, and I try to keep the ones for a 426 that are drop on, as well as machined sleeve size. If you have the right info, you can have a size made that won't require machining the sleeve, but aren't as tough as the thicker ones requiring sleeve removal and machining. The level you're looking at, I would feel comfortable with the drop on. PM me for more details.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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Where would I go about ordering wire rings and gasket. This stuff is new to me just trying to eliminate problems. If u have all that info. I would appreciate it. I just picked up the turbo haven't used it just waiting for rods.
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O.P.S. Heads
Orange Level Access Joined: 02 Jan 2013 Location: Iowa Points: 574 |
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If you don't have the engine together I would machine the sleeves and use the wire rings and a copper gasket. This combo will put up with a lot of horsepower. The initial price of the gasket will be higher than a paper gasket, but if you re use the gasket twice you will more than recover the cost. You should get 6 - 8 uses or more from the gasket. The wire rings are cheap at about $85.00 for a minimum order of a qty. of 18. If you do this and do it correctly, you will not have head gasket issues and in the long run it will be cheaper. You could have the copper gasket and the wire rings within the next couple of weeks I would guess. If you need dimensions of the gasket, sleeve flange, or wire rings let me know.
You are thinking correctly by doing it right the first time and avoiding problems. Have you tried the HX35 yet and if so, how does it work? Edited by O.P.S. Heads - 15 Apr 2014 at 10:21pm |
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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I don't have it together waiting for rods to come back from heat treating. I was wondering whether the stock head gasket would work with hx 35. Just trying to eliminate any problems
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O.P.S. Heads
Orange Level Access Joined: 02 Jan 2013 Location: Iowa Points: 574 |
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Well my crystal ball is broke down today. I would guess you can use it for a while but it will eventually leave go. What are you using now and is it blown out or are you having good luck with it? If it's working stay the course. If it ain't working doing the same thing again will most likely end up with the same results.
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rowcropmafia
Orange Level Joined: 11 Sep 2009 Location: illinois Points: 208 |
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I have a copper 301 gasket sitting around. Dont know much about it. If you're interested
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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Do u think the stock gasket will be fine.
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O.P.S. Heads
Orange Level Access Joined: 02 Jan 2013 Location: Iowa Points: 574 |
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If there is a better stock gasket I wouldn't know what brand it would be. The ultimate fix is to use wire rings from DQM or whatever it's called now. .105" diameter wire and if you are using stock sleeves go with a 4.650" O.D. on the rings. To do this the flange on the sleeve much be faced of about .033" for proper fit. In conjunction with these rings you can use the stock gasket with the OEM fire rings removed or use a copper gasket which is reusable many times over.
Another option may be to just use a copper gasket with the correct bore size. It may squeak a little compression when cold but it won't blow out. You will have to have adequate sleeve stand out for this to work. Call Robert Alves. He makes a nice copper gasket at a reasonable price. Edited by O.P.S. Heads - 15 Apr 2014 at 8:59pm |
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200 allis
Silver Level Joined: 11 Mar 2014 Location: new jersey Points: 201 |
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Is there after market head gasket that is better then stock. Was just wondering before I put motor back together. Pump has 390 head 3000 rpm and a holset hx35. 301motor o
Edited by 200 allis - 15 Apr 2014 at 7:57pm |
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