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Search: Posts Made By: GearheadJoe
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03-15-2019, 11:32 PM
Replies: 35
Views: 1,676
Posted By GearheadJoe

I agree. I have a 424 HP 383 in my mostly-stock...

I agree. I have a 424 HP 383 in my mostly-stock C2, and I think that's about the most that the stock chassis and stock-size tires can reasonably handle. However, I also have a nice 400 block sitting...
03-15-2019, 02:12 PM
Replies: 29
Views: 1,344
Posted By GearheadJoe

My understanding about the flaw/no-flaw issue and...

My understanding about the flaw/no-flaw issue and the reproduction situation is this:

* GM had only one mold for the later-style aluminum valve cover
* In mid-1966, that mold developed a crack...
03-15-2019, 01:12 PM
Replies: 35
Views: 1,676
Posted By GearheadJoe

I have looked closely at the options for maximum...

I have looked closely at the options for maximum displacement in a small block form factor. The first change is to move to the nominal 4.125" bore of the 400 small block (some shops bore this to...
03-10-2019, 09:02 PM
Replies: 8
Views: 419
Posted By GearheadJoe

I am quite certain that the TH350, 700R4, and...

I am quite certain that the TH350, 700R4, and 2004R will all fit in the C2 transmission tunnel with no clearance issues. This may also be true of the TH400, since some sources say that the 700R4 was...
03-10-2019, 07:36 PM
Replies: 7
Views: 484
Posted By GearheadJoe

Attached is a photo that helps to clarify the end...

Attached is a photo that helps to clarify the end slant on the '67 steel valve cover. I taped a flat piece of steel to the slanted end so that you can see where it intersects the tape measure.

I...
03-09-2019, 05:54 PM
Replies: 7
Views: 484
Posted By GearheadJoe

One thing to watch out for is that there was an...

One thing to watch out for is that there was an earlier steel valve cover that looks very similar to the '67 steel valve cover.

The main difference is that the ends of the '67 valve cover have a...
02-26-2019, 11:24 PM
Replies: 467
Views: 185,648
Posted By GearheadJoe

engine, 1964, VIN 17722

See posts 462 and 463 for details
02-26-2019, 11:05 PM
Replies: 467
Views: 185,648
Posted By GearheadJoe

That looks like a nice find. It appears to be...

That looks like a nice find. It appears to be from a 1964 Corvette, serial number 17,722. The block was cast on April 8, 1964, and the engine was assembled on April 15, 1964. If the engine suffix...
02-01-2019, 12:43 PM
Replies: 48
Views: 7,046
Posted By GearheadJoe

A few years ago I acquired a complete 1967 L79...

A few years ago I acquired a complete 1967 L79 engine that had been purchased as a crate motor in March 1967. The seller even had the original sales slip. He had installed the engine in a hot rod he...
01-20-2019, 03:04 PM
Replies: 88
Views: 3,996
Posted By GearheadJoe

Just be clear about the overspray on the hood...

Just be clear about the overspray on the hood latches, that happened only on bodies that were assembled in the St. Louis body shop. In St. Louis, when blackout spay was applied to the firewall, the...
01-18-2019, 10:34 PM
Replies: 88
Views: 3,996
Posted By GearheadJoe

Yes, this is my understanding as well. What it...

Yes, this is my understanding as well. What it means is that the intake manifold bolt heads, and the portion of the cylinder heads between the valve covers and the intake manifold, should be covered...
01-18-2019, 12:04 AM
Replies: 4
Views: 715
Posted By GearheadJoe

Just to add to what Chuck posted, the minimum...

Just to add to what Chuck posted, the minimum score to achieve an NCRS Top flight is 94% out of 4500 points for the entire car. This translates to a maximum point loss of 270 points.

So, using the...
01-02-2019, 10:16 PM
Replies: 9
Views: 612
Posted By GearheadJoe

It's my understanding that all '512 blocks used...

It's my understanding that all '512 blocks used the canister filter. Is that what you meant to say? Any block designed for a canister filter can be converted to a spin-on type using an adapter.
...
01-02-2019, 01:54 PM
Replies: 9
Views: 612
Posted By GearheadJoe

The '512 block was used as a warranty replacement...

The '512 block was used as a warranty replacement block for all small blocks that were made prior to 1968. The key feature that made this casting necessary was the rear crankcase vent. To my...
12-31-2018, 11:07 AM
Replies: 58
Views: 2,673
Posted By GearheadJoe

Back when I was trying to decide whether to...

Back when I was trying to decide whether to install a cam button (which I did decide to do), the only way that I could envision sufficient net force to push the cam forward was if the engine...
12-30-2018, 08:52 PM
Replies: 58
Views: 2,673
Posted By GearheadJoe

I think that both analysis and actual testing...

I think that both analysis and actual testing will show that the helical gear arrangement of the cam-driven oil pump (and the cam-driven distributor too) will impart a significant REARWARD axial...
12-30-2018, 02:07 AM
Replies: 10
Views: 702
Posted By GearheadJoe

I don't think I saw a photo of the block's...

I don't think I saw a photo of the block's casting DATE. It's always a good idea to check the casting date along with the casting number (3892657) and the two stampings on the pad. The casting date...
12-30-2018, 01:24 AM
Replies: 11
Views: 531
Posted By GearheadJoe

I have a TKO-600 in my '67, and it's pretty...

I have a TKO-600 in my '67, and it's pretty quiet. I get just a tiny bit of gear whine in third gear, but that's all. It also shifts just fine.

I bought my TKO-600 from Keisler (which later...
12-30-2018, 12:52 AM
Replies: 58
Views: 2,673
Posted By GearheadJoe

While it is clear that your timing gear hit the...

While it is clear that your timing gear hit the timing cover, it is not clear that the cause was simple cam walk. Your photo shows a fractured timing gear with a section that moved back toward the...
12-10-2018, 11:25 PM
Replies: 16
Views: 786
Posted By GearheadJoe

If you have five intakes to clean, a single...

If you have five intakes to clean, a single 5-gallon bucket of the correct glass beads would handle all of them just fine. I've never tried glass beads on valve covers, but I know that it works great...
12-10-2018, 06:31 PM
Replies: 16
Views: 786
Posted By GearheadJoe

The glass beads that I have used very...

The glass beads that I have used very successfully on aluminum intakes are made by Ballotini and the bead size is classified as "170-325 Seive" as shown on the photo below of the label. I buy it in...
12-07-2018, 01:29 PM
Replies: 16
Views: 786
Posted By GearheadJoe

If you decide that you want to try bead blasting,...

If you decide that you want to try bead blasting, you could probably buy a 5-gallon container of the Ballotini beads that I use and have someone with a blast cabinet clean the intake for you (or...
12-07-2018, 01:13 PM
Replies: 14
Views: 740
Posted By GearheadJoe

Before commenting on performance comparisons, I...

Before commenting on performance comparisons, I want to mention that the Edelbrock "carb height" dimensions I showed in my comparison came from the Edelbrock web site. Some of the above posts have...
12-07-2018, 01:15 AM
Replies: 16
Views: 786
Posted By GearheadJoe

Regarding your question about cleaning an...

Regarding your question about cleaning an aluminum intake, I completely agree with people who say that sand blasting an aluminum intake is a bad idea, particularly if coarse media is used. I have...
12-06-2018, 11:05 PM
Replies: 14
Views: 740
Posted By GearheadJoe

Attached is a summary table that I think I have...

Attached is a summary table that I think I have posted before. Some people who have installed the Z28 intake in a C2 find that it clears the hood, while others find that it interferes very slightly...
Showing results 1 to 25 of 495
 


 
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