[Skip Fix]

Just wondering how many E heads, KRE D ports, KRE High Ports have 80-100,000 street miles on them???

New BONE stock non blueprinted no convertor 04 (less HP than 05-06s) runs 13.66 @ 101. I don't know of too many BONE STOCK including exhaust Stock convertor early GTOs that weight 3850 lbs running that. Theg 60919 drops you out of that group.

Cool deal Ken!!

[gtofreek]

Originally Posted by PITTSBURGH 64

I'll believe in them once I see people putting 80,000-100,000 street miles on them. I put at least 15,000 on my car every season.
My 60919 with Johnson hyd's works just fine.... I've never been to the track but my set up must be running good because I totally dusted a new GTO at the local street races this week. Aren't those cars suppose to be fast?

Why wouldn't they go 80,000-100,000 miles? Fords, and Chevies have been doing it for more than 40 years. If there was a geometry issue with them, it would show itself pretty much right away. Hell the Crysler Hemi had a way more complicated valve train and look how they use them things. I don't see a problem at all with the CV-1 heads running a long time. It's not new technology, only new for Pontiacs.

[HWYSTR455]

I believe the comment was in reference to the hyd rollers, and just to say, I've heard people having failures using them. Those I've talked to all have mentioned that failures occured at higher RPMs, which I too question their' longevity.

As for factory hyd rollers, and why they don't see the failures, I would say most likely due to RPM being limited by the grind, and maybe some due to the design (suspect the Pontiac aftermarket hyd rollers are a bit behind the curve).

As for maintenance, I'm not clear as to how or why many feel solid rollers are high maint. In my experience, the solids that I've run, maybe every 25k or so I'd check them, but have done so pretty much just for piece of mind. The previous 455 solid roller engine I had in the 'bird I got about 220k miles out of, with only a valve job at about 120k.

I recently had the choice of hyd roller or solid on a 'street' engine, and chose solid, because I felt more comfortable with the longevity factor. I'm betting in time the hyd rollers will prove themselves, and my next chose may include them. Until then, think I'll stick with the solids.

[gtofreek]

I'm sorry, I don't know why I thought he was refering to the heads.

Maybe because the thread was about his CV-1 combo. I agree about the lifters. We'll see what happens.

[PONTIAC DUDE]

Pontiac Automotive urban legends.

Where are you people getting your info?



HWYSTR455: I doubt you put 220K on a set of solid roller springs and make any power. I doubt you put 30k on a set.


I have them in SBC strokers. BBC street engines. Pontiacs, 572 cu.in BBC Merlin Jet boat. Thousands of Offshore marine engines use them. All aftermarket and running strong.
I give up. This is like the aluminum heads topics of the 90's when Pontiac people trashed the E-head when it was coming out. The posts are out there. I guess Pontiac people just want to keep their heads in the sand. Not my deal.

But people, don't trash or make statements about what you haven't messed with.

I'll be at VMP end of the month, driving my cart around in the pits watching all the Pontiac racers checking their lash over the weekend or **relaxing** between passes.

Just finished gasket matching & porting the CV-1 Intake. Stop by and take a look at the NEW Canted Valve CV-1 heads with a hyd roller, running I hope into the 9's on 93 octane pump gas.

[PONTIAC DUDE]

Originally Posted by gtofreek

It's not new technology, only new for Pontiacs.

There ya go.
But been around for 4 years. Been building them for many many years before that.

I have been answering the same negativity in posts now for 3 years. LOL.

[GOAT490]

[QUOTE=PONTIAC DUDE] Pontiac Automotive urban legends.

Where are you people getting your info?


I give up. This is like the aluminum heads topics of the 90's when Pontiac people trashed the E-head when it was coming out. The posts are out there. I guess Pontiac people just want to keep their heads in the sand. Not my deal.

Dude, Are you sure THAT is where their heads are??!!

PHILLYGOAT

[PONTIAC DUDE]

LOL.

[Half-Inch Stud]

Pretty Good Dude. Can you do that with Flat HYD lifter?

[PONTIAC DUDE]

Originally Posted by Half-Inch Stud

Pretty Good Dude. Can you do that with Flat HYD lifter?

And make power? The reason I use the roller hyd is maintaince and the ability to Ramp up quicker thus fill the cylinder quicker without all the issues of spring pressures. Seen the same negativity about beehive springs too on Pontiac baords. Why? I don't know. I run them too.

Off shore BIG Engines have been using them for years. 5000 rpm plus for hrs.

Life is good. Race Hard & Have Fun.

[gtofreek]

I know what you mean about the beehive springs. I try to explain to people how they work but they still think they need as much spring pressure with them too, so I have a hard time convincing people sometimes. I think once people start seeing them work on a regular basis, they will come around and start excepting them more.

[HWYSTR455]

[QUOTE=PONTIAC DUDE][b]HWYSTR455: I doubt you put 220K on a set of solid roller springs and make any power. I doubt you put 30k on a set.[QUOTE]


Swear I did Dude, have records/receipts to prove it, now as for power, honestly, I don't remember, this was like 87 - 91, but can say the entire time it ran very well on the street, many in the area to this day talk about it. I even dug up the cam card, though couldn't find the spring info. I'm sure it was 'matching' springs, and the best available at the time. I spared no expense on that particular engine/build.

The engine was based on a 70 455 4-bolt block, 30 over, ported #62 heads, Crower custom forged rods, custom pistons, and was professionally built by an engine builder who specialized in building engines for racing P-51s through pylons. It was a fairly mild roller, 224/232 @50, .350 lobe lift, on a 112, which may have been the reason it lasted so long (using lower pressure springs). He may have changed the springs at 120k, but I don't think so. I let him handle the machine work, since A) he used the aviation machinsts that had high-dollar equip, and B) he was a Pontiac nut.

I ran two other roller engines after that, and both went over 100k miles, and I know on those I didn't change the springs. Those did show a drop in performance over about 80k miles though, that I recall. I was getting over 110k miles out of the hyd flat tappet engines at the time too, all under severe abuse (old habits die hard!).

[PITTSBURGH 64]

I'd like to see a square insert made so you could drop in a stock style rollers.

[Jack Gifford]

HWYSTR455-
Miles driven (1987-????) >= 220K + (2 x 100K) + (n x 110K) [n>=2] >= 640K
That's a lot of time behind the wheel of a Pontiac (~$150,000 for fuel at today's prices!)

[Jack Gifford]

Originally Posted by PITTSBURGH 64

I'd like to see a square insert made so you could drop in a stock style rollers.

What stock roller lifters were you referring to?

[HWYSTR455]

Pontiac Jack - Multiple cars, and yes, many hours (and gallons!) behind the wheel(s) of Pontiacs. When I bought the 'bird, put a fresh engine in it, and drove it back & forth on weekends to Memphis, where I was going to school. It was my main source of transpo until like '87. After '84 my daily commute was 180 miles. I drove that car to FL, NY, Canada, Ohio, Mississippi, and everywhere in between. It was shortly after the '91 T/A Nationals in Dayton that the roller engine gave out (Mother's Day in '92 to be exact), but had driven it there too. I remember the one year in Jan, I put a 400 in it, and the following year in April put another in it, the engine I took out had about 130k miles!

[Juliano]

Unbelievable the Dude designs a strong maintanance free crate motor equal to a chevy crate motor and he gets trashed for it. If I was able to buy such a Pontiac crate motor 6 years ago and do 10's at the strip and drive 4000 km's in three weeks "trip to visit family one thousand km's one way" drive to church, restaurants ...etc, and come back home without a tow from CAA I would have been first in line to buy his motors. You want to race then do what you can to run 100 seconds a year at all out go or blow motors. But *hit for dependable fast street car what do you nay sayers gripe for.

[Mr_GTO]

Hyd Rollers are a wonderful thing...and anyone that says they won't rev doesn't know what htey are talkign about....go take a new ZO6 for a spin to 7K+RPM....

[Ron Landis]

you can tune a solid cam to track conditions. I'm sure someone will disagree...but I've seen it done. JMHO> Ron

[PONTIAC DUDE]

Originally Posted by Ron Landis-formerly Jegstek

you can tune a solid cam to track conditions. I'm sure someone will disagree...but I've seen it done. JMHO> Ron

Yea that's what I want to do at the track. Adjust valves. Bwahahahahahahaha.

Thanks. That was one of the points of my post. Maintainance or extra work to run a number. Thanks again.

Adjust your tires, chassis, rpm leave or retard to track conditions