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Search: Posts Made By: Terry Burtz, Calif
Forum: Model A (1928-31) Yesterday, 08:13 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Pasted below is the section of the "Builders Guide" that addresses the flywheel. The latest "Builders Guide" can be found under "Guides" at www.modelaengine.com



12) Flywheel
The optional...
Forum: Model A (1928-31) 06-06-2021, 09:40 PM
Replies: 3
Views: 382
Posted By Terry Burtz, Calif
Re: Front crankshaft modern seal

Peel the seal lip back to see the garter spring.

The garter spring side of the seal should be internal to the engine.
Forum: Model A (1928-31) 06-02-2021, 09:33 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

The "New Engine Kit" along with an original cylinder block, crankshaft, and connecting rods will be on display at the MARC National Convention in Oshkosh, WI.

We will be in the B.F. Carter Room...
Forum: Model A (1928-31) 05-27-2021, 02:23 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

There has been some discussion on another forum regarding the choice of rear main seal and should the garter spring be removed.

The seal that we used in the Engineering Evaluation Engine was a...
Forum: Model A (1928-31) 05-26-2021, 09:08 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Dennis Kliesen, post 329 above, is on his way to Oshkosh WI for the MARC National Convention driving with a "New Engine" in his car.

This afternoon, he sent the following email that is pasted...
Forum: Model A (1928-31) 05-26-2021, 08:59 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Model A Ron,

The new engine parts are made in China using factories that use the same modern iron, ductile iron, forged steel, and Quality Assurance that is used in modern engines.

Please see...
Forum: Model A (1928-31) 05-26-2021, 02:39 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

UPDATE
As engines are being built, the "Builders Guide" is evolving. The latest revision of the "Builders Guide" is dated 24 May 2021 and can be found at www.modelaengine.com.

We will be...
Forum: Model A (1928-31) 04-29-2021, 07:51 PM
Replies: 15
Views: 1,422
Posted By Terry Burtz, Calif
Re: BURTZ Engine info Q....

The large bolt has a 5/16 inch hole through the center to feed the main oil galley and the head is tapped 1/4 NPT.

The small bolt has a 1/16 inch through hole for an oil gauge and the head is...
Forum: Model A (1928-31) 04-29-2021, 06:23 PM
Replies: 15
Views: 1,422
Posted By Terry Burtz, Calif
Re: BURTZ Engine info Q....

The "Special" bolts have been made and I shipped them to John Lampl last Monday. John should have them this afternoon.

They are made from 6061-T6 aluminum and the big one broke at 50 lb-ft.
...
Forum: Model A (1928-31) 04-21-2021, 12:56 AM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

Pete,

Thanks for your correction to my post.

Your assumption is correct where I meant to say "Balance shafts" instead of "Balance weights".

The "New Model A Engine Kit" may fool the fine...
Forum: Model A (1928-31) 04-20-2021, 08:37 PM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

Pete,

Thanks for your comments.

With an iron or steel crankshaft, it is impossible to get enough counterweight to counteract the bending forces that occur at TDC when the connecting rod stops...
Forum: Model A (1928-31) 04-20-2021, 12:22 AM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

The "New Engine" has 8 counterweights and ample room for added tungsten weights if desired.

Balance shafts are used to make buyers of 4-cylinder engines comfortable because they don't see or feel...
Forum: Model A (1928-31) 04-16-2021, 11:17 PM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

I spoke with Tail Dragger on the phone this afternoon a couple of times and we exchanged text messages.

His earlier phone conversation was with John Lampl. He got my phone number from John.

He...
Forum: Model A (1928-31) 04-16-2021, 02:14 PM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

Tail Dragger,

I do not recommend using the Plasticgage dry.

The following is copied from the "Builders Guide" found at www.modelaengine.com

We recommend that main and connecting rod...
Forum: Model A (1928-31) 04-16-2021, 11:27 AM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

Tail Drager,

I am confused. The following are your words:

Got the crank and pistons in tonight, what an ordeal, The Clevite CB-745P STD bearings DO NOT sit flush with the surface of the saddle...
Forum: Model A (1928-31) 04-16-2021, 12:16 AM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

Taildrager,

Thanks for your comments.

With your "screen" name, are you planning to use the "New Engine" in an airplane?

Since this is the 3rd engine that you have worked on, do you have...
Forum: Model A (1928-31) 04-15-2021, 10:46 AM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

The National 415035 seal specified in the "Builders Guide" has a nitrile lip and is a commonly stocked part.

If you look on page 58 in the National Seal Catalog...
Forum: Model A (1928-31) 04-06-2021, 06:45 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

The old "basic rule" was that 10 psi of oil pressure was needed for every 1000 RPM.

Under the old rule, you should have 25 psi for 2500 RPM.

The basic rule is no longer applicable with modern...
Forum: Model A (1928-31) 04-04-2021, 01:13 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Yes, a dog clamp will work with the Stipe oil pump.

The Stipe pump comes machined to direct all oil to the outside of the cylinder block through the 1/8 NPT hole that must be enlarged to 1/4 NPT....
Forum: Model A (1928-31) 04-01-2021, 01:41 AM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

buckwild 27,

You are correct,

All of the new engine parts are balanced separately, and any new part balanced separately can be substituted.

Match marks are not needed because every part is...
Forum: Model A (1928-31) 04-01-2021, 01:13 AM
Replies: 11
Views: 1,096
Posted By Terry Burtz, Calif
Re: The Ace Mechanic Again

David,

Check with Clyde Marion who has 11 "New Engine Kits" or Dennis Kliesen. Since I'm not sure if they are commercial rebuilders, I am hesitant to publicize their contact information.

Please...
Forum: Model A (1928-31) 04-01-2021, 12:35 AM
Replies: 11
Views: 1,096
Posted By Terry Burtz, Calif
Re: The Ace Mechanic Again

Dave,

Thanks for your question. I hope that Tod responds.

The "New Model A Engine Kit" is ready for assembly. No machine work is required.

The end price depends on your choice of parts and...
Forum: Model A (1928-31) 03-24-2021, 06:36 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

Russ,

Yes, if you placed an order for a flywheel, you are on the list to get one.

If anyone has a question regarding what they have ordered or not ordered, please contact John Lampl...
Forum: Model A (1928-31) 03-24-2021, 03:18 PM
Replies: 108
Views: 13,695
Posted By Terry Burtz, Calif
Re: The new Burtz Mosel A engine

As Jim says, the "New" engine has the same stroke as stock.

The intake ports of the new cylinder block are the same larger size (1.50-inch diameter) as a Model B engine, and the intake passages of...
Forum: Model A (1928-31) 03-23-2021, 07:11 PM
Replies: 360
Views: 80,081
Posted By Terry Burtz, Calif
Re: The Terry Burtz 5 main bearing engine blocks are back on track.

hardtimes,

The flywheel shown in the picture had a cast-iron center from a Model A flywheel, a bell section made from 356-T7 Aluminum, and a Model A ring gear that was drilled for attachment...
Showing results 1 to 25 of 151

 
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