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05-12-2013 06:47 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
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After re-factoring the flow of the Edelbrock...
After re-factoring the flow of the Edelbrock heads, based on Barry's experience with hard dyno pulls with these motors, I ran a Sim on this cam. Best results were achieved with the cam retarded 4...
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04-17-2010 03:39 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
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When you are sitting down to engineer all the...
When you are sitting down to engineer all the parts that will make your motor work like you want it to, you determine the static compression ratio and squish you want to use in the motor, then...
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04-15-2010 06:38 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
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I think maybe that was Harold Brookshire.
I think maybe that was Harold Brookshire.
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05-19-2009 03:40 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
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http://crower.com/misc/cam_spec/cam_finder.php?par...
http://crower.com/misc/cam_spec/cam_finder.php?part_num=16462&x=31&y=6
Installed 2 degrees retarded. (9/45/54/10)
rpm hp tq
2000 160 419
2500 197 413
3000 249 436
3500 318 477
4000 386 507... -
05-05-2009 02:39 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
Don't forget Jeff, assemble the heads with old,...
Don't forget Jeff, assemble the heads with old, worn-out springs to break the cam in, then change them to the recommended springs.
I'd like to be there to see this combination perform. Should be... -
05-05-2009 10:24 AM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
My best advice is to use the spring recommended...
My best advice is to use the spring recommended by the cam grinder for that particular cam. Find out the particulars from the cam grinder, then call Edelbrock and ask if they can supply the exact...
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04-23-2009 12:08 AM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
- Views
- 39,226
I might us Clevite 77 "P" series rods and mains....
I might us Clevite 77 "P" series rods and mains. There are three different main sets depending on the year of the crank/block and there are three different chamfers used on the edges of the bearing...
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04-20-2009 04:25 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
60069 $740 each on ebay stores. About what you'd...
60069 $740 each on ebay stores. About what you'd pay for AFR's for a SBC.
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04-12-2009 11:50 AM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
I was able to find a timing chart on Crower's...
I was able to find a timing chart on Crower's website and get the timing events....then calculate the intake centerline and exhaust centerline from that information. ...
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04-11-2009 11:35 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
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- 39,226
You know Jeff, not to make myself out to be a...
You know Jeff, not to make myself out to be a seer, but I saw this coming. The research tools at Comp so far exceeded those of Crane that it was a slam-dunk. After looking for a cam on Comp's site,...
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04-11-2009 01:39 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
And then figure out how you're gonna operate it...
And then figure out how you're gonna operate it on pump gas.:eek:
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04-08-2009 10:30 AM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
- Views
- 39,226
+0.030 is usually the first thing that pops out...
+0.030 is usually the first thing that pops out of my mind on these builds because a block will almost always clean up at 0.030", where it may or may not clean up at 0.020". I much prefer less cut on...
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04-06-2009 11:21 AM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
- Views
- 39,226
Jeff, you mentioned earlier that you had a 750...
Jeff, you mentioned earlier that you had a 750 you wanted to use. I guess I missed that when I did the DynoSim. Go ahead and plan on using it, horsepower drops only 3 to 547 @6000 and torque drops 3...
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04-05-2009 09:54 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
- Views
- 39,226
Nobody has weighed in yet on the rods, so I did a...
Nobody has weighed in yet on the rods, so I did a little research. These look like good rods to begin with. I think I'd magnaflux 'em, have a set of ARP bolts installed, re-size the big end and call...
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04-05-2009 12:16 PM
Thread: 500 hp/550 lb-ft from a 390?
by techinspector1- Replies
- 67
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- 39,226
Hey Jeff, welcome aboard and thanks for the...
Hey Jeff, welcome aboard and thanks for the obviously intelligent opening post.
I'm retired and enjoy putting together combinations on my playtoy, DynoSim version 4.20 software. I'm no different...
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What a cool old car. I’m glad it will still be near you, and taken care of.
57 Plymouth