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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
Formulajones
Forum:
Pontiac - Street
Today, 11:06 AM
Replies:
115
Catastrophic Engine Failure
Views:
13,668
Posted By
Formulajones
Yeah that's a nice oil pressure curve. Did they...
Yeah that's a nice oil pressure curve. Did they adjust the oil level in the pan? Take any out?
I just ask as sometimes the level on the stick tends to bit a little much and cause oil pressure to...
Forum:
Pontiac - Street
Today, 10:49 AM
Replies:
23
Poll:
Piston Advantages
Views:
432
Posted By
Formulajones
I don't use hypers in anything. Never had a noisy...
I don't use hypers in anything. Never had a noisy forged piston either so not sure what others have going on with that deal
Forum:
Pontiac - Street
Today, 09:02 AM
Replies:
22
Dyno results opinions
Views:
371
Posted By
Formulajones
My duramax has a big spread like that. I've...
My duramax has a big spread like that. I've never seen a gas engine do that.
Forum:
Pontiac - Street
Today, 08:58 AM
Replies:
23
Poll:
Piston Advantages
Views:
432
Posted By
Formulajones
The engine I just finished we went with a custom...
The engine I just finished we went with a custom piston, small ring package and short skirt design with a coating. One thing also done that I haven't experimented with before and really isn't talked...
Forum:
Pontiac - Street
Today, 08:45 AM
Replies:
115
Catastrophic Engine Failure
Views:
13,668
Posted By
Formulajones
That made more than I would have expected. Sure...
That made more than I would have expected. Sure would like to see the BSFC numbers though, oddly those weren't provided on the dyno sheet you were given. Any mention of it while you were there?
...
Forum:
Heating & Cooling TECH
Today, 08:39 AM
Replies:
39
OEM Fan flow vs Dual Electric Fan Flow
Views:
1,538
Posted By
Formulajones
There is still something to be said about the big...
There is still something to be said about the big manufactures, why they still use a mechanical clutch fan on their heavy duty trucks like duramax's and the big inch gas engines from Ford. Even...
Forum:
Heating & Cooling TECH
Today, 08:22 AM
Replies:
39
OEM Fan flow vs Dual Electric Fan Flow
Views:
1,538
Posted By
Formulajones
Dad's Goat is another example where a big engine...
Dad's Goat is another example where a big engine making good HP doesn't run hot either. His 571 honestly doesn't run any hotter than all the 455's he had in the car previously. In fact I think his...
Forum:
Heating & Cooling TECH
Today, 08:14 AM
Replies:
39
OEM Fan flow vs Dual Electric Fan Flow
Views:
1,538
Posted By
Formulajones
I would say yes to that. Larger displacement...
I would say yes to that. Larger displacement and/or more HP would create more heat. From my experience it's marginal.
I just pulled the 454 out of my chevelle for a 598. The 454 made 608hp. ...
Forum:
Pontiac - Street
09-24-2024, 11:05 AM
Replies:
9
Cooling system tablets
Views:
454
Posted By
Formulajones
I got in the habit of using them way back when I...
I got in the habit of using them way back when I worked at a dealer as a teen. The dealer always used them as part of the regular cooling system maintenance. They would drop in 4-5 tablets so I've...
Forum:
Pontiac - Street
09-24-2024, 06:07 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
I hope that's not the case, I'm not super...
I hope that's not the case, I'm not super interested in restricting oil up there.
Forum:
Exhaust TECH
09-23-2024, 11:11 AM
Replies:
7
Thrush 89021
Views:
1,734
Posted By
Formulajones
Ive used that 89021 system before and I like it...
Ive used that 89021 system before and I like it for several reasons.
One being that it still uses the standard in and out bends that go into the transverse muffler which means you can swap that...
Forum:
Pontiac - Street
09-22-2024, 06:13 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
Yeah I can see where dry starts from sitting for...
Yeah I can see where dry starts from sitting for long periods would be more of an issue with a bushed lifter vs needles. I'm not sure that was dad's issue as the car never sat for long periods, he...
Forum:
Pontiac - Street
09-22-2024, 12:14 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
Yeah, dad had 2 of the bushed Crower solid...
Yeah, dad had 2 of the bushed Crower solid rollers fail after about 7000 miles of street driving. Just 240 on the seats and tight .017" lash cam that wasn't all that aggressive. Crower didn't have...
Forum:
Pontiac - Street
09-22-2024, 12:12 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
Solid rollers are just a different deal all...
Solid rollers are just a different deal all together. Different ramp profiles, more spring pressures, and they all need lash, and that clearance is hard on wheels. My experience with them anyway. ...
Forum:
Heating & Cooling TECH
09-21-2024, 09:39 AM
Replies:
39
OEM Fan flow vs Dual Electric Fan Flow
Views:
1,538
Posted By
Formulajones
I did a bunch of real world testing in this area...
I did a bunch of real world testing in this area and came to my own conclusions.
Test subject was dads GTO with a 700hp 571 pontiac. Always ran cool with the stock clutch fan and shroud setup...
Forum:
Pontiac - Street
09-20-2024, 07:41 AM
Replies:
53
Firebird is gutless turd-pig. Help!
Views:
2,547
Posted By
Formulajones
That's a very small detail that is commonly never...
That's a very small detail that is commonly never checked.
Easy fix though.
Even with a new balancer I'd still verify the mark and remark new balancer if necessary (usually is) as I find new...
Forum:
Pontiac - Street
09-20-2024, 07:36 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
I don't use drag week guys as a comparison. They...
I don't use drag week guys as a comparison. They constantly lash and relash to make those short trips. Tighten them up to zero to drive and open them back up at the track. And most still don't make...
Forum:
Pontiac - Street
09-19-2024, 11:13 AM
Replies:
53
Firebird is gutless turd-pig. Help!
Views:
2,547
Posted By
Formulajones
I wouldn't go chasing exhaust. In Your case it's...
I wouldn't go chasing exhaust. In Your case it's not an issue.
I ran Gardner exhaust on my RAIII in pure stock and ran 14 flat with it at 99 mph. While it wasn't holding the car back a ton it...
Forum:
Pontiac - Street
09-19-2024, 11:02 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
That's been my experience with solid rollers lol ...
That's been my experience with solid rollers lol
Why I pretty much use hylift hydraulic rollers on everything now. Although I have an engine waiting to try the new evolutions.
Forum:
Pontiac - Street
09-19-2024, 06:21 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
Yeah those don't appear to be slow bleed or pin...
Yeah those don't appear to be slow bleed or pin oiling so price is cheaper. Still a great lifter and might be as good as it gets for a Pontiac.
Forum:
Pontiac - Street
09-19-2024, 06:20 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
I'll dig out the paperwork and see. They could be...
I'll dig out the paperwork and see. They could be slow bleed but I know for sure they are pin oiling. Can't seem to access hylift site at the moment for some reason.
Forum:
Pontiac - Street
09-18-2024, 11:07 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,369
Posted By
Formulajones
Yup the price has steadily increased over the...
Yup the price has steadily increased over the past couple years. While probably one of the best hydraulic roller lifters on the market as Jay points out, they certainly are not cheap.
Mine were...
Forum:
Exhaust TECH
09-17-2024, 06:17 AM
Replies:
16
I was ordering R.A.R.E. down pipes for long branch
Views:
656
Posted By
Formulajones
I'm guessing to reduce cost. And no one wants to...
I'm guessing to reduce cost. And no one wants to pay what it costs to get a mandrel bender anymore. I remember 25 years ago they were $30k id hate to think what one costs now.
Either way I'd stick...
Forum:
Pontiac - Street
09-15-2024, 09:01 AM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,740
Posted By
Formulajones
Dad went with an iron MR1 block years ago, and...
Dad went with an iron MR1 block years ago, and he's still happy with that decision, but even back then it was a $3000 decision plus all the machine work needed to put it in service.
Now in todays...
Forum:
Pontiac - Street
09-15-2024, 08:47 AM
Replies:
44
Heat soak
Views:
1,423
Posted By
Formulajones
I've been down that road experimenting with...
I've been down that road experimenting with setups like that. It seems there are a bunch of radiator/fan companies that design there electric fan setups like that and every one I've tried always had...
Showing results 1 to 25 of 500
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