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Old 04-26-2018, 03:34 PM   #61
Gideon
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Default Re: 8RT pulling the heads

I'm wondering if I should pull the heads off my 8RT milk truck motor. I'm also afraid I'll just be opening up a can of worms.
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Old 04-26-2018, 03:58 PM   #62
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Default Re: 8RT pulling the heads

If it's running OK, I wouldn't. Mine missed at idle and it drove me crazy. A leak-down test (or at least a compression test) would tell you a lot.
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Old 04-26-2018, 06:39 PM   #63
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Default Re: 8RT pulling the heads

I ran my "new to me" engine some more today. It starves for fuel at about 1000 rpm, either the electric fuel-pump on the stand isn't doing it's thing, filter is plugged, or the carb has got crud in it, it looks spotless down the throat. It's not a Holley 94, it's marked "EC" and "1 1/16". There appears to be a PVC valve on it. And it has the "oil filter to no-where".
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File Type: jpg PCV.jpg (52.5 KB, 96 views)
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Old 04-26-2018, 10:41 PM   #64
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Default Re: 8RT pulling the heads

That would be the Holley 2110, used on Y-blocks. It is based on the 94 but with some improvements and higher flow, bigger throttle bores and venturis.
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Old 04-26-2018, 11:36 PM   #65
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Default Re: 8RT pulling the heads

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Originally Posted by Ross F-1 View Post
That would be the Holley 2110, used on Y-blocks. It is based on the 94 but with some improvements and higher flow, bigger throttle bores and venturis.
So since everything I've read about "load-a-matic", this 2110 works OK with the stock distributor? How about the PVC, does it screw up the sensitive vacuum needed to operate the LAM?
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Old 04-27-2018, 02:45 AM   #66
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Default Re: 8RT pulling the heads

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If it's got the port on the back, it's designed to function properly with a Load-a-Matic. I have had a number of both kinds apart and cannot see how there could be a significant difference on how they operate. About a PVC valve interferring with the distributor vacuum, that is something I have never even considered; perhaps someone else ("Bubba"?) may be able to shed some light on the subject.
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Old 04-30-2018, 03:49 AM   #67
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Default Re: 8RT pulling the heads

Moved my fuel pump and carb (7RT) to the new engine and its got pretty good throttle response now. The spark plugs are pretty carboned up, I'll probably just replace them.

https://www.youtube.com/watch?v=A-BwooaXbqs
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Old 05-14-2018, 04:04 PM   #68
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Default Re: 8RT pulling the heads

While waiting for a few more parts to show up so I can start installing the new engine, I've turned my attention back to the "red neck" rebuild. While putting the last fine touches on the valve lash, out of the corner of my eye I noticed a distinct difference in the casting up inside the Canadian block I bought.
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File Type: jpg fh block 2.jpg (23.8 KB, 84 views)
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File Type: jpg fh block 1.jpg (33.0 KB, 78 views)
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Old 05-14-2018, 04:44 PM   #69
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Default Re: 8RT pulling the heads

I've seen them both ways. On some it appears that when they machined the hole for the WP it took out part of that, on others it appears to have completely removed it.
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Old 05-21-2018, 11:51 PM   #70
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Default Re: 8RT pulling the heads

Getting some pistons!
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Old 05-21-2018, 11:57 PM   #71
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Default Re: 8RT pulling the heads

I'd remove the idea of the vacuum advance dizzy by going with a bubba unit. Then you can also run any carb or more if you like. Not a 8ba guy btw.


Nice work and project!
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Old 06-07-2018, 06:04 PM   #72
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Default Re: 8RT pulling the heads

Haven't had loads of time to work on flathead projects but the old engine is re-assembled as a short-block and will go on the test stand after I get my new engine installed in my pickup. I'm swapping oil pans/pickups now, new engine came with an 11 inch clutch that looks brand new, the truck came with a 9.5 inch hybrid setup but has had some oil on it. I'd like to put the 9.5 inch back in but the new 11 inch is calling to me. I went over things under the pan with a torque wrench to be sure and all looked good. The crank is marked with EAB, I believe that means late model 239, correct?
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Old 06-07-2018, 06:38 PM   #73
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Default Re: 8RT pulling the heads

Nice . Keep up the good work and hope it purrs like a kitten
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Old 06-07-2018, 06:39 PM   #74
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Default Re: 8RT pulling the heads

Depending on your objectives the 9.5 would probably be the better option.
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Old 06-07-2018, 06:48 PM   #75
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Default Re: 8RT pulling the heads

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Originally Posted by JSeery View Post
Depending on your objectives the 9.5 would probably be the better option.
Yea, will be just a drive for fun kinda truck, undoubtedly my left leg would thank me later for the 9.5 unit. Doesn't appear to be something you can just run out and buy/order however. I'd have to send it out to be re-lined... any recommendation?
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Old 06-07-2018, 07:35 PM   #76
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Default Re: 8RT pulling the heads

Fort Wayne clutch. I got my last one there and the clutch in my '51 is the best it's ever been.
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Old 06-08-2018, 01:25 PM   #77
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Default Re: 8RT pulling the heads

Ft Wayne is the best. Quick turn around also.
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Old 06-08-2018, 03:14 PM   #78
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Default Re: 8RT pulling the heads

I'm also thinking about locating a flywheel for a 10 inch clutch and just putting it back stock... seems like someone went to a lot of trouble to get a 9.5 inch in there. I know the flywheel could be drilled for a different pressure-plate, I might check into that as well.
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Old 07-16-2018, 02:14 PM   #79
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Default Re: 8RT pulling the heads

Got her looking pretty.
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Old 08-22-2018, 02:51 PM   #80
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Default Re: 8RT pulling the heads

After 10 months my F-1 is drive-able again.
https://www.youtube.com/watch?v=Wy64_gtj54o&t=52s
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