Forum: Model A (1928-31)
05-01-2024, 07:11 AM
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Replies: 14
Views: 736
Re: KRW Combination Machine
Ray
The Babbitt talent is already on the decline unfortunately
Inserting the motor is already done with good success and now the Burtz motor is available
But you do have a point as new people...
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Forum: Model A (1928-31)
05-01-2024, 07:04 AM
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Replies: 11
Views: 476
Re: Head stud to block
One last point to be concerned with here
Be careful to not drill too deeply
The stud boss is fairly thin in the bottom and you do not want to penetrate into the water jacket
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Forum: Model A (1928-31)
04-26-2024, 09:57 AM
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Replies: 26
Views: 1,863
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Forum: Model A (1928-31)
04-24-2024, 12:39 PM
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Replies: 26
Views: 1,863
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Forum: Model A (1928-31)
04-23-2024, 08:24 PM
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Replies: 26
Views: 1,863
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Forum: Model A (1928-31)
04-19-2024, 07:50 AM
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Replies: 13
Views: 2,409
Re: Stipe Machine/Specialty Motor Cams
The blanks are not hard to make
The drive gear is a little tricky but not impossible
The biggest challenge is getting the basic profiles for the lobes done, heat treated and final finish.
J
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Forum: Model A (1928-31)
04-18-2024, 12:00 PM
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Replies: 7
Views: 657
Re: valve recession
Typically having a valve low will not cause too much trouble other than limiting port flow
It should be noted that removing material from the seat will never raise the valve up
Replacing seats is...
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Forum: Model A (1928-31)
04-14-2024, 03:24 PM
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Replies: 26
Views: 1,774
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Forum: Model A (1928-31)
04-07-2024, 05:47 PM
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Replies: 24
Views: 1,512
Re: Oil Pump Shaft
hmmm,
This has been my concern with modified V8 pumps for the model A.
The housing was never made for this and he castings too thin.
I made a few billet alum adaptors for V8 pumps that will never...
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Forum: Model A (1928-31)
04-02-2024, 10:40 PM
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Replies: 15
Views: 1,471
Re: Model Tree
For sale 1928 Chevrolet Roadster
Ran when parked… 45 years ago
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Forum: Model A (1928-31)
04-02-2024, 09:17 PM
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Replies: 24
Views: 1,512
Re: Oil Pump Shaft
Pete,
I have been using Dailey, Barnes and Aviaid wouldn't have it any other way on an expensive motor....
J
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Forum: Model A (1928-31)
04-02-2024, 09:03 PM
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Replies: 24
Views: 1,512
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Forum: Model A (1928-31)
04-01-2024, 05:33 PM
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Replies: 24
Views: 1,512
Re: Oil Pump Shaft
Considering the pump shafts are .498 diameter finding a 5/8 shaft will be difficult to assemble
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Forum: Model A (1928-31)
04-01-2024, 10:57 AM
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Replies: 24
Views: 1,512
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Forum: Model A (1928-31)
03-30-2024, 09:06 PM
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Replies: 31
Views: 2,168
Re: V8 Clutch in Model A: Something is not right
From the first picture it looks like the pressure plate is compressed too far, disk is too thick. It is positioning the arms too deep into the PP assembly, no room to actuate and release the clutch....
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Forum: Model A (1928-31)
03-28-2024, 01:17 PM
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Replies: 28
Views: 2,142
Re: Electric Model A's
More than likely his wife could drive a stick and he was jealous
Yes learning to drive one should be a requirement for license
It will educate the drivers or prevent those who shouldn’t
J
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Forum: Model A (1928-31)
03-22-2024, 10:05 PM
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Replies: 5
Views: 756
Re: what is this? mag drive?
It is an attempt at a side drive magneto
The gear is properly sized for a mag with 2:1 gear reduction or a governor
Most aircraft mags are 2:1 or crank speed.
J
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Forum: Model A (1928-31)
03-14-2024, 10:06 AM
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Replies: 21
Views: 7,501
Re: Model B engine advantages?
Considering this thread is 10 years old it still holds true with the exception of Terry Burtz accomplishing seemingly the impossible feat
J
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Forum: Model A (1928-31)
03-11-2024, 03:26 PM
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Replies: 16
Views: 1,440
Re: Donovan 4 Cylinder
So yes Terry
The diamond blocks have been used
I am someone will have an issue and that will change
J
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Forum: Model A (1928-31)
03-11-2024, 12:42 PM
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Replies: 16
Views: 1,440
Re: Donovan 4 Cylinder
Chris
The V4 classes are Vintage strictly meaning original blocks of pre 1935 manufacture
You can run the Donovan in the displacement classes but the architecture is a disadvantage
J
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Forum: Model A (1928-31)
03-09-2024, 09:33 AM
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Replies: 16
Views: 1,440
Re: Donovan 4 Cylinder
This was a couple years ago, "D" block and a Arnold Birner head a friend was making.
I did a build on another "D" block made for the Birner head, without intake ports or valve chambers.
J
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Forum: Model A (1928-31)
03-08-2024, 05:06 PM
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Replies: 32
Views: 3,062
Re: high conpression head ??
Yes
There is a balance point between C/R and airflow
This has been demonstrated on flow bench testing
All moderate c/r heads will probably perform well within reason
Spark plug placement is...
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Forum: Model A (1928-31)
03-04-2024, 09:08 PM
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Replies: 30
Views: 2,929
Re: Safety cage?
Hmm,
Adding a cage to any street car is not recommended, a properly designed and built cage will become dangerous unless you wear a helmet.
I have looked at a couple sedan type model A's that had...
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Forum: Model A (1928-31)
03-02-2024, 10:36 AM
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Replies: 22
Views: 1,216
Re: Klein Tools
If used correctly the DC indirect amperage can be nice, but reminds me of a job some years ago. A major distribution center, I had just installed an auto scanning manifesting system. It used a PLC...
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Forum: Model A (1928-31)
02-29-2024, 08:20 PM
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Replies: 16
Views: 1,164
Re: Lion Speed Head?
I have heard rumors of Lion heads detonating, that is how the one I have was acquired.
Using the proper sparkplug and limiting the advance does wonders.
I doubt seriously the sharp edges could...
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