Finally brought the Hemi home!!!

[richdetert]

Oct 16, 2012 18:45:21 GMT -5 davestradtmann said:

Whatever! LMAO Goodluck maybe fords and imports but never a chevy

I could have built 3 or 4 big block Chevy's for what it cost to build this, but why would I want to have "just another chevy big block". lol

Besides, I don't have to beat every Chevy, just the ones owned by my buddies. ;D lol

Everyone knows that the guy with the most money wins, and that sure aint me.

After building this thing I'm as close to broke as it gets.

[davestradtmann]

I hear you thats why i gave up on my 67 barracuda fast back could not find some part so i sold it to kenny h he sold it clay. I do miss it but happy with my T/A! ;D

[davestradtmann]

It looks good!

[dynodad]

Did you find a Big Shoe Horn and get that Elephant Foot in there yet. It has been a Year and no Postings. Just curious since we got one of those BBC with a Bird Cather on it and it Drinks Alcohol. Ya know we have to Throttle Stop it to run 9.90 without using low gear except for about .250 seconds off the line, then high gear all the way. ACTUALLY I have always wanted a 426 Hemi after I had my first 392 when I was 19 and lost it in a fire. Never could afford to buy a New Hemi. They are the MOST AWESOME MOTOR EVER MADE. Like you said ya can build acouple of Chevy's for what one Hemi cost, But Man look at what ya have when you open the Hood and the AWESOME SOUND of the Dual Quads opening up. One of my Best Friends just after High School had a GTX Convertible with a 426 4 Speed. Could not use 1 and 2 hardly, just smoked the tires and the SOUND made your hair stand up WOW, I will never forget riding with him, Scary but awesome. Hope it is all fitting right..

[richdetert]

I haven't posted much on here for a while, I've just been lurking the site.
It's easier to lurk than argue about whether the track is gonna get built.
Some people don't like it if you try to stay positive about it. lol

I've spent most of 2013 trying to work out stuff on the car but at least I've put about 700 miles on the car since the Hemi went in.

I didn't like the way that the shifts felt and since I had to pull the trans anyway to swap out the convertor I had Dan Smith look the trans over.
It had valve body issues. Replaced the valve body with a new one and now it shifts hard like a manual valve body is supposed to.

I've had bearing issues with the 8-3/4 third member (supposed to be a fresh 4:10 setup), after the bearings were replace I started getting gear noise out of it.

I had a 4:10 Dana 60 built and installed it but then it had a driveline vibration.
It turned out that where the spring perches on the axle were welded gave it a 9 degree negative pinion angle.
Installed some 6 degree shims and now it's got a 2.5 degree pinion angle, and no vibration.

Been dealing with some issues of it getting hot on the highway too.
In the summer heat it was running at 220+ on the highway.
On side street and lower speeds it stayed about 200.
I had a Mr.Gasket HiFlow (Robert Shaw) thermostat stick closed when it had about 150 miles on it.
Since nobody stocks those I installed an autozone stat. Worked fine for a while then it stated acting up.

I was worried worried whether it was having head gasket issues (cometic gaskets) so I bought one of the test kits.
Everything was fine, no combustion gasses in the coolant (water).

The fan clutch felt funny (had a scraping noise when spun) and didn't seem to be engaging when it was hot so I had it replace under warranty.

In late June when it had about 500 miles on it I wiggled the fan clutch again and noticed shaft movement. After a closer inspection it was the water pump shaft that had some slop. So much for the quality of Mopar Performance water pumps. I checked and there was no warranty on it. It didn't matter that it was about 4 months old and only had 500 miles.

I replaced it with a FlowKooler water pump.
I bought an infrared thermometer and normally the block seems to be about 200 degrees and at the center of the radiator it's about 150 degrees.
On highway trip the gauges will show 220-230 but when I use the IR Thermometer it says about the same at both spots.
It seemed to be cooling fine then while I was running it at Gateway after the second pass it started pissing out of the weep hole.
I called Summit and they shipped out a replacement (2 year warranty) and sent a pick up tag for the bad one.

At least I got a current best of 11.75 @ 114 run out of it (so far).
It doesn't feel like it building power in the upper rpms like it should.
I think the cam is too small (524/292 Hyd) for a 572.
Dan think the 3 inch exhaust is what's holding it back.

The plan at this point is to get it on the dyno (with a wideband readout) and see what the power curve looks like and I can see if it's leaning out, I think that will tell me alot.

[dynodad]

The 3" exhaust should be OK, I would bet your running out of Cam also. Hydraulic cams on that size motor needs a lot more than what you have. You can call Comp and they can run the Cam for you and tell you if it is big enough. We had them Custom Grind our cam for the BBC 572 and it is a Monster but we also have 16.8:1 compression for the Alcohol to do its job. Like I said call COMP and see what they have to say about your cam. I think your right, What RPM are you turning at that 114 mph run. You up in the 6,000 range, Springs can also be a problem.

[sg3526]

Dec 18, 2013 17:45:32 GMT -5 dynodad said:

The 3" exhaust should be OK, I would bet your running out of Cam also. Hydraulic cams on that size motor needs a lot more than what you have. You can call Comp and they can run the Cam for you and tell you if it is big enough. We had them Custom Grind our cam for the BBC 572 and it is a Monster but we also have 16.8:1 compression for the Alcohol to do its job. Like I said call COMP and see what they have to say about your cam. I think your right, What RPM are you turning at that 114 mph run. You up in the 6,000 range, Springs can also be a problem.

16.8:1 compression Dave, Really? Why so much? I have ran as low as 11.5:1 and never had any issues at all. The 540 was 13.2:1 and the 582 is a whopping 14.0:1 and I was nervous about that and considered putting thicker head gaskets on it. At 16.8:1 no wonder that thing pops and thumps as hard as it does. I have pretty much the same cam in both motors .775 Intake lift and .748 Exhaust lift Duration is a little larger on the 582 than the 540 324 in the 582 and 318 on the 540 but they both are installed at 112* and this was off the shelf stuff. I learned a long time ago that off the shelf is much easier to replace if you have an issue than custom stuff. Always try to use common components in my stuff for that reason. I do need to put more carb on the 582 but we will deal with that as time allows.

[dynodad]

Mike, Dan just got a LITTLE CARRIED AWAY when we built that thing. Yeah the compression is why that thing POP's so loud. That's why we put the OLIVER MAGNUM PARABOLIC RODS in it. Bill Kuhlmann did the Basic Prep work on it. We spent some time will Bill and discussed what and how to build it. We O-ringed the block because we knew the compression was going to be high. The cam is a Mild 820/818 dialed at 104* or 110* I don't remember all the numbers anymore, got them on the build book so we can check every time we take it down. That is why we were amazed that when we tore the motor apart last year and the bearings still had the Moly/Graphite coating still on the whole bearing that we knew the oil pressure was good as the crank NEVER Came in Physical contact with the bearings even with all that compression. I think when we checked the compression it was around 270-280 not sure about that number anymore. CC'd the Heads and Pistons is how we verified the compression. I think you should joint the Injected Club on the that 582, it would make a definite difference over your carbs. Yeah, if that cam goes bad I think he will probably have another one ground the same way so as not to change things all around again. BAT is the one that had that cam ground for us. He said he would make it run even if we went up to 632 as time goes on. We even backed the timing down to around 23* as 28-30 was to much and almost popped a starter off.

[dynodad]

OHH, and I almost forgot, I LOVE the POP that a Big Motor Makes, BUT LIKE A PRO-STOCK sound EVEN MORE.

[dynodad]

Mike, you should have been there when we had the Wrong Fuel Pump on and was putting almost Twice the Alcohol into it before we found it was wrong pump. Wonder it didn't Hydraulic the Rods. Car was absolutely Violent leaving the line making so much Torque.