Engine Rebuild Part 2
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Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
Yeah, Photobucket's been having some issues lately. I think they're working on getting them sorted out since I keep seeing a "down for maintenance" image pop up. At least they're trying to fix it. Last I went on there, it was working like it was back to normal.
And yeah, you emailed me a pic of the roadster, I thought that was pretty cool to see.
The color on it was great.
And yeah, you emailed me a pic of the roadster, I thought that was pretty cool to see.
The color on it was great.
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Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
Tech question:
The builder called me today and said that he checked bearing clearances on the crank, and even though they're in spec (about 1.9 I think) he feels that's a little tight and likes them a bit more, such as around 2 (I'm assuming 0.002"), which would require a line hone.
However, he also said that since I'm running normal 10w-30, I could probably get away with the tighter tolerances.
No decision's been made. What are your guys' thoughts?
The builder called me today and said that he checked bearing clearances on the crank, and even though they're in spec (about 1.9 I think) he feels that's a little tight and likes them a bit more, such as around 2 (I'm assuming 0.002"), which would require a line hone.
However, he also said that since I'm running normal 10w-30, I could probably get away with the tighter tolerances.
No decision's been made. What are your guys' thoughts?
Lead Driver
Joined: Dec 2000
Posts: 6,293
Likes: 47
From: South central, Minnesota
Tech question:
The builder called me today and said that he checked bearing clearances on the crank, and even though they're in spec (about 1.9 I think) he feels that's a little tight and likes them a bit more, such as around 2 (I'm assuming 0.002"), which would require a line hone.
However, he also said that since I'm running normal 10w-30, I could probably get away with the tighter tolerances.
No decision's been made. What are your guys' thoughts?
The builder called me today and said that he checked bearing clearances on the crank, and even though they're in spec (about 1.9 I think) he feels that's a little tight and likes them a bit more, such as around 2 (I'm assuming 0.002"), which would require a line hone.
However, he also said that since I'm running normal 10w-30, I could probably get away with the tighter tolerances.
No decision's been made. What are your guys' thoughts?
Thread Starter
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Moderator
Joined: Dec 2007
Posts: 7,987
Likes: 104
From: Boise, Idaho
I might have misunderstood him. Again, it was a quick phone conversation and I'll get more details when I actually go in and talk to him.
The main question though was about the tolerances. Should I leave it a bit tight (albeit in spec)?
The main question though was about the tolerances. Should I leave it a bit tight (albeit in spec)?
Lead Driver
Joined: Mar 2008
Posts: 7,182
Likes: 380
From: Near Los Angeles
I think you should ask FTF. He's The Dude.
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Moderator
Joined: Dec 2007
Posts: 7,987
Likes: 104
From: Boise, Idaho
Ok, here's some more info on the bearing clearances. He was recommending line honing it because it would accomplish two things. First, loosening it just a touch, and two, straight out the bearings. He could grind the cam down some, but then the bearings would still not be straight.
(Note: #7 I don't know the off-center on because the photo I took for notes had a big shine on it right over the number.)
Bearing - Off Center - Clearance
1 - 0.0005 - 0.0017
2 - 0.0002 - 0.0012
3 - 0.0000 - 0.0012
4 - 0.0000 - 0.001
5 - 0.0002 - 0.0013
6 - 0.0003 - 0.0013
7 - ??? - 0.0018
However, since the 300 has 7 bearings, it's a little more expensive at $150. Once the cam is laid in and able to rotate, we'll see how tight it is and make a decision then. It might not be an issue.
Either way, some eye candy:
The pistons getting prepped:
The main bearings in place:
The cam bearings in place:
The head all resurfaced and looking gorgeous:
Caught him installing the freeze plugs this morning. I wish I'd stopped him on the last one. I have a block heater I want to put in. Oh well.
0.030" off the block.
(Note: #7 I don't know the off-center on because the photo I took for notes had a big shine on it right over the number.)
Bearing - Off Center - Clearance
1 - 0.0005 - 0.0017
2 - 0.0002 - 0.0012
3 - 0.0000 - 0.0012
4 - 0.0000 - 0.001
5 - 0.0002 - 0.0013
6 - 0.0003 - 0.0013
7 - ??? - 0.0018
However, since the 300 has 7 bearings, it's a little more expensive at $150. Once the cam is laid in and able to rotate, we'll see how tight it is and make a decision then. It might not be an issue.
Either way, some eye candy:
The pistons getting prepped:
The main bearings in place:
The cam bearings in place:
The head all resurfaced and looking gorgeous:
Caught him installing the freeze plugs this morning. I wish I'd stopped him on the last one. I have a block heater I want to put in. Oh well.
0.030" off the block.
Lead Driver
Joined: Jul 2009
Posts: 6,477
Likes: 19
From: Sheffield, AL
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Lead Driver
Joined: Mar 2008
Posts: 7,182
Likes: 380
From: Near Los Angeles
Ohhh, I just love that head. Now that I look closely, I can see that whoever did the porting cut into the s.plug boss to unshroud the exhaust valve a bit. It also appears as if he cut a bit around the intake too, just to the side of the s.plug boss. I could be wrong. It may just appear that way in the photo? Either way, excellent work. Such a beautiful job. Centerfold material.
So tell me, AB, was the Master worth it?
So tell me, AB, was the Master worth it?
Thread Starter
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Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
I can see what you mean about the spark plug boss and around the intake. I'd have to go back and look at it, because yeah, it's hard to tell in the picture. Some look like it, some don't. Might just be the light and shine? There's a lot of shine.
Heh, worth it is still yet to be determined, but if nothing else, I am aching to fire it up and and get it broken in to see what it'll do. However, every bit of it that I've seen has been top notch work, so I'm pleased.
Heh, worth it is still yet to be determined, but if nothing else, I am aching to fire it up and and get it broken in to see what it'll do. However, every bit of it that I've seen has been top notch work, so I'm pleased.
Thread Starter
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Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
Quick question:
What's the consensus on head bolts vs. studs? Are stock head bolts plenty?
Should I switch to studs?
I was looking at an ARP head stud kit and they're nearly $100 for a set.
What's the consensus on head bolts vs. studs? Are stock head bolts plenty?
Should I switch to studs?
I was looking at an ARP head stud kit and they're nearly $100 for a set.
Lead Driver
Joined: Dec 2000
Posts: 6,293
Likes: 47
From: South central, Minnesota
To me the head studs are a good upgrade. If you want to re-use a stock fastner it would be the main cap bolts. I personally feel the head bolts and rod bolts are a good place to make an upgrade.
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Moderator
Joined: Dec 2007
Posts: 7,987
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From: Boise, Idaho
Sounds good, just checking. The rod bolts will be ARP, as will the rocker arm studs. Might as well do the head bolts and switch them to ARP studs.
Does ARP head studs change the torque settings?
Does ARP head studs change the torque settings?
Lead Driver
Joined: Mar 2008
Posts: 7,182
Likes: 380
From: Near Los Angeles
I switched to them because when the builder broke down the first engine he mentioned that the head gasket was getting ready to fail between two cylinders. I thought the oem bolts, after 40 years, might be a bit tired.
The only issue I've had with them is that one interferes with the valve cover--which is Cliffy. Stock cover may not hit.