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Old 09-09-2015, 10:51 PM   #161
Ol' Ron
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Default Re: 59 AB engine rebuild

Go with Walt and use the late pump.
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Old 09-20-2015, 05:25 PM   #162
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Default Re: 59 AB engine rebuild

Is the oil relief plunger in the block part number 6663 and the oil relief spring in the block part # 6654 the same as the plunger and the oil relief spring in the oil pump ?


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Old 09-21-2015, 07:28 PM   #163
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Default Re: 59 AB engine rebuild

Wondering if they are the same I haven't found many good pictures with part numbers of the oil pump.


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Old 09-29-2015, 09:47 AM   #164
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Default Re: 59 AB engine rebuild

These are the parts from the pump that I am talking about.






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Old 10-03-2015, 09:24 PM   #165
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Default Re: 59 AB engine rebuild

Just looked at my new valve springs they are longer than the originals I'm assuming that this is because they haven't been under tension.
Is this correct ?



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Old 10-03-2015, 11:43 PM   #166
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Default Re: 59 AB engine rebuild

Or one is a 50 and the other is a 80 ?
Springs can be made different to and its pressure at installed height thats interesting.
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Old 10-04-2015, 07:55 AM   #167
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Default Re: 59 AB engine rebuild

The new springs I got from reds headers they are the stock replacement. What difference will it make using a longer valve spring?


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Old 10-04-2015, 09:37 AM   #168
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Default Re: 59 AB engine rebuild

It depends on if it has the same tension at installed height or not.
Cant tell if its right or not unless you put it in a springtester compairing to known value or running the pump against a pressure gauge.
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Old 10-04-2015, 07:49 PM   #169
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Default Re: 59 AB engine rebuild

Ok I might go with a new oil pump.

But I am now asking about the new valve springs. The new ones are longer than the old ones I took out. Is this because they haven't been under tension? Are new valve springs usually longer then what you have taken out?
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Old 10-05-2015, 07:22 PM   #170
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Default Re: 59 AB engine rebuild

Will I have to use different valve keepers with the longer spring ?


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Old 10-05-2015, 07:38 PM   #171
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Default Re: 59 AB engine rebuild

Macdozer, looking back to page 3 of posts, your original valve assemblies are late 8BA with shorter springs for the two-piece rotator retainers. You'll have to use
'49-'50 one-piece retainers for the longer springs.

Lonnie
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Old 10-05-2015, 07:45 PM   #172
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Default Re: 59 AB engine rebuild

Quote:
Originally Posted by Macdozer View Post
Will I have to use different valve keepers with the longer spring ?


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Hi Mac, you need to start measuring the installed hgts with the new springs and whatever retainers/locks you have on hand.

You won't really be able to tell much by "sight", you need (reasonably) exact numbers in this area.

Thanks, Gary in N.Y.

P.S. We work with various springs, retainers, and locks on different platforms. Occasionally we use the locks that give a .050" shorter installed hgt, and we also use some that give a .050" taller hgt. Depends mostly on the spring pkge combo and the "target" pressure!
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Old 10-05-2015, 08:27 PM   #173
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Default Re: 59 AB engine rebuild

It looks like with the longer springs I will need the retainer and the lock keys only. I will not need the "sleeve"
I will measure the springs I took out and the new ones I got.
Are the retainers used with the different valve assemblys all the same or are they all different?


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Old 10-06-2015, 08:22 AM   #174
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Default Re: 59 AB engine rebuild

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Originally Posted by Macdozer View Post
It looks like with the longer springs I will need the retainer and the lock keys only. I will not need the "sleeve"
I will measure the springs I took out and the new ones I got.
Are the retainers used with the different valve assemblys all the same or are they all different?


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Hi Mac, you need the retainers that don't use the "roto-caps", they are the 1 piece deals.

Like I mentioned above, you can alter the spring hgts/pressures by using the valve locks if needed.

Thanks, Gary in N.Y.

P.S. Here's a shot of both setups, you should use the one on the left side!
Attached Images
File Type: jpg Flathead Valves-Rets Early-Late B.JPG (63.1 KB, 76 views)
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Old 10-09-2015, 08:14 AM   #175
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Default Re: 59 AB engine rebuild

MacDozer, Did you figure out if the valve springs are OK or do you need different ones. Very interesting thread !
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Old 10-11-2015, 05:42 PM   #176
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Default Re: 59 AB engine rebuild

I had to go with the 1BA - 6513 valve springs. They are shorter springs. The valves that use just the retainers and the locks use longer springs. I am using the original valves and staying with the set up that was in the motor.


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Old 10-11-2015, 05:47 PM   #177
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Default Re: 59 AB engine rebuild

What do most rebuilders do with the main crankshaft bearing cap studs? The studs came out with nuts.



Should I reuse or find new ones for the crankshaft bearing caps?


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Old 10-12-2015, 06:25 PM   #178
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Default Re: 59 AB engine rebuild

Where would be a good place to get new cap studs / bolts for the crankshaft bearing caps?


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Old 10-12-2015, 08:10 PM   #179
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Default Re: 59 AB engine rebuild

speedway will sell you some arp bolts.
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Old 10-13-2015, 08:51 AM   #180
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Default Re: 59 AB engine rebuild

Stock Henry Studs: If you're just rebuilding a stock engine, what you have works just fine. It should not be difficult to remove the nuts - but don't damage the studs themselves. If you don't have the tools to correctly hold the stud, don't just throw it in a vice and gall it all up - have the machine shop do it.

Studs versus Bolts: I prefer to always use studs - as you'll be using the fine threaded end to tighten up the nuts and set the torque . . . which tends to give more accurate readings than the coarse threads in the block.

It is actually NOT a good idea to change the stock studs to ARP - unless you're going to have the main crank bore checked . . . as the torque for new/different studs can influence the roundness of the bearing bore. Normally it should NOT be an issue, but it is something that I always have checked when I'm messing around with any new/different parts in the mains area.
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