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Search: Posts Made By: horsepower1
Showing results 51 to 75 of 266
Search took 0.01 seconds; generated 54 minute(s) ago.
Forum: General Q & A
02-22-2016, 04:33 PM
Replies: 253
Views: 73,275
Posted By horsepower1

By the time I do the valve jobs, the port work,...

By the time I do the valve jobs, the port work, surfacing, final blending, facing and back cutting valves, honing guides, etc and final clean and assembly, I can tie up a good 35-40 hrs in a set like...
Forum: General Q & A
02-20-2016, 06:30 PM
Replies: 40
Views: 6,410
Posted By horsepower1

Most of the older Holley "Blue" and "Black" pump...

Most of the older Holley "Blue" and "Black" pump failures (and most electric fuel pumps for that matter) come from running them direct wired of a switch instead of a relay. They don't tolerate that...
Forum: General Q & A
02-20-2016, 09:51 AM
Replies: 40
Views: 6,410
Posted By horsepower1

Fuel lines and a provision for a return line to...

Fuel lines and a provision for a return line to the tank. More of a fabrication/installation issue than parts but none the less...
Forum: General Q & A
02-19-2016, 12:38 PM
Replies: 253
Views: 73,275
Posted By horsepower1

Scott Foxwell. I'm on a short lunch break...I'll...

Scott Foxwell. I'm on a short lunch break...I'll post more later.
Forum: General Q & A
02-19-2016, 12:36 PM
Replies: 689
Views: 238,189
Posted By horsepower1

I've run the you-know-what out of the 4603's and...

I've run the you-know-what out of the 4603's and never, ever had one bleed down. Blower motors, strip motors, well over 200# seat pressure and 7000rpm. Blown motor ran 6700 and made 853...489 pump...
Forum: General Q & A
02-19-2016, 07:28 AM
Replies: 253
Views: 73,275
Posted By horsepower1

Never built one with the MPI intake. My best hyd....

Never built one with the MPI intake. My best hyd. roller pump gas 509 was with a set of ported AFR 305's and a ported victor Jr and 1000hp carb, made 770hp @ 6300 and 730 tq @ 4700. Car engine. My...
Forum: General Q & A
02-19-2016, 07:26 AM
Replies: 253
Views: 73,275
Posted By horsepower1

Not an odd question at all. We flow heads and...

Not an odd question at all. We flow heads and intakes regularly for higher end competition builds. For the absolute optimum in camshaft design, we want as many variables as we can get on the table. I...
Forum: General Q & A
02-19-2016, 07:18 AM
Replies: 253
Views: 73,275
Posted By horsepower1

If I recall (without going back and re-reading...

If I recall (without going back and re-reading everything) you;re looking for something in the 550 hp range? Frankly you can do that with just about any factory big block head including any of the...
Forum: General Q & A
02-18-2016, 08:08 PM
Replies: 253
Views: 73,275
Posted By horsepower1

Too many generalizations and assumptions...

Too many generalizations and assumptions regarding port volume and head performance. Head performance comes form flow and velocity. They have to work together. The velocity factor comes form the...
Forum: General Q & A
02-17-2016, 07:58 AM
Replies: 689
Views: 238,189
Posted By horsepower1

Which came first...the custom cam, or the shelf...

Which came first...the custom cam, or the shelf cam?
Forum: General Q & A
02-16-2016, 04:37 PM
Replies: 10
Views: 1,664
Posted By horsepower1

Not my first choice but they'll be fine as far as...

Not my first choice but they'll be fine as far as strength and durability. Counterweight placement has made balancing a PITA in the past, and their finish isn't quite as nice as other imports.
Forum: General Q & A
02-16-2016, 04:33 PM
Replies: 689
Views: 238,189
Posted By horsepower1

What was the question? Lift is the distance the...

What was the question?
Lift is the distance the valve has to travel. Duration is the time it has to travel that distance. Any time you have to travel more distance in less time, you have to move...
Forum: General Q & A
02-16-2016, 04:21 PM
Replies: 689
Views: 238,189
Posted By horsepower1

Very few cam "designers" can actually design a...

Very few cam "designers" can actually design a lobe from scratch. Most work from some sort of iteration program and select an existing lobe form someone's library. One reason I respect Chris so much...
Forum: General Q & A
02-16-2016, 07:21 AM
Replies: 689
Views: 238,189
Posted By horsepower1

One shelf grind is not going to be ideal for...

One shelf grind is not going to be ideal for every combination. The closer the cam is to being "ideal" for a given combination, the more power it's going to make within that cam's design limitations....
Forum: General Q & A
02-15-2016, 04:19 PM
Replies: 689
Views: 238,189
Posted By horsepower1

I had a customer call me last year all in a...

I had a customer call me last year all in a panic. Had put a set of AFR's on a pair of engines (offshore deal) and had HR cams and Morel lifters. I don't remember exactly how many hours he had on the...
Forum: General Q & A
02-15-2016, 01:54 PM
Replies: 19
Views: 2,497
Posted By horsepower1

Check your pan(s) for cracks. Don't use the...

Check your pan(s) for cracks. Don't use the Felpro gaskets...ever since they went overseas for mfg they've had a rep for cracking pans for some reason. We use and sell the (grey) ones that are made...
Forum: General Q & A
02-15-2016, 01:48 PM
Replies: 689
Views: 238,189
Posted By horsepower1

Not something I'm familiar with, sorry.

Not something I'm familiar with, sorry.
Forum: General Q & A
02-15-2016, 09:32 AM
Replies: 689
Views: 238,189
Posted By horsepower1

Acceleration is ALWAYS an issue, whether you're...

Acceleration is ALWAYS an issue, whether you're drag racing or not. Top speed is one thing, but that "set you in the seat" thing will always impress me more. A good engine will have both.
Not...
Forum: General Q & A
02-15-2016, 07:47 AM
Replies: 4
Views: 2,445
Posted By horsepower1

http://s1.cdn.autoevolution.com/images/news/galler...

http://s1.cdn.autoevolution.com/images/news/gallery/ford-shelby-gt350-mustang-looks-even-meaner-in-the-flesh-los-angeles-live-photos_8.jpg
Forum: General Q & A
02-14-2016, 04:16 PM
Replies: 689
Views: 238,189
Posted By horsepower1

Short duration with high lift -as a rule- can be...

Short duration with high lift -as a rule- can be asking for trouble but if the lobes are designed right and the supporting valve train is there it can be done reliably. If that's really the need then...
Forum: General Q & A
02-14-2016, 04:14 PM
Replies: 689
Views: 238,189
Posted By horsepower1

Hyd. rollers used to be limited by available...

Hyd. rollers used to be limited by available lifters but that's not the case these days. We have hyd. roller lifters that can take solid lobe profiles and spring pressures capable of >8K rpm. Comp's...
Forum: General Q & A
02-14-2016, 03:56 PM
Replies: 689
Views: 238,189
Posted By horsepower1

I agree.

I agree.
Forum: General Q & A
02-14-2016, 02:35 PM
Replies: 689
Views: 238,189
Posted By horsepower1

I'm sure you know...geometry is more than the...

I'm sure you know...geometry is more than the rocker "fitting" the head. I haven't seen a stud mount BB Chev rocker where the (mid lift) geometry is correct on both sides of the rocker. Granted, to...
Forum: General Q & A
02-14-2016, 01:23 PM
Replies: 689
Views: 238,189
Posted By horsepower1

The best cam is going to be junk if all the...

The best cam is going to be junk if all the supporting cast members aren't in the show. I'd love to see the geometry on some of these engines that have valve train problems and the cam is being...
Forum: General Q & A
02-14-2016, 12:27 PM
Replies: 689
Views: 238,189
Posted By horsepower1

One thing that adds to this is that at 4400 rpm,...

One thing that adds to this is that at 4400 rpm, the engine is working at or near peak torque. This is about as hard as you can be on an engine...peak torque, full load, max cyl pressure and really...
Showing results 51 to 75 of 266
 
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