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Search took 0.19 seconds. Search: Posts Made By: HWYSTR455
Forum: Pontiac - Street Today, 02:48 PM
Replies: 24
Views: 810
Posted By HWYSTR455
I bet earlier small chamber heads and a .5 SCR...

I bet earlier small chamber heads and a .5 SCR bump would have pushed it closer to 400hp.

Wonder if the 2800 cam would still shine in that case?

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Forum: Pontiac - Street Today, 02:47 PM
Replies: 24
Views: 810
Posted By HWYSTR455
I bet earlier small chamber heads and a .5 SCR...

I bet earlier small chamber heads and a .5 SCR bump would have pushed it closer to 400hp.

Wonder if the 2800 cam would still shine in that case?

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Forum: Pontiac - Street Yesterday, 08:50 PM
Replies: 24
Views: 810
Posted By HWYSTR455
Very impressive. Maybe the 2800 cam isn't such a...

Very impressive. Maybe the 2800 cam isn't such a pig like I thought...

Still did big valves and good head work though.

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Forum: Pontiac - Street Yesterday, 08:46 PM
Replies: 20
Views: 572
Posted By HWYSTR455
Never have to worry about it for a looong time. ...

Never have to worry about it for a looong time.


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Forum: Pontiac - Street Yesterday, 08:45 PM
Replies: 20
Views: 572
Posted By HWYSTR455
Bravo! Yeah, not sure how much more an...

Bravo!

Yeah, not sure how much more an aluminum one would have been, but not a biggie really. Critical speed is a little lower but still better than that old shaft.


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Forum: Pontiac - Street Yesterday, 08:42 PM
Replies: 24
Views: 810
Posted By HWYSTR455
Very true on SCR, you NEED it, especially with a...

Very true on SCR, you NEED it, especially with a cruiser or mph conservancy, even new cars have more SCR.

Remember, 'performance' MEANS efficiency, regardless of what the purpose of the build is....
Forum: Exhaust TECH Yesterday, 08:19 PM
Replies: 23
Views: 1,039
Posted By HWYSTR455
Think they make 16" and 18" ones too. ...

Think they make 16" and 18" ones too.

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Forum: Pontiac - Street Yesterday, 12:28 PM
Replies: 26
Views: 693
Posted By HWYSTR455
Lot's of people have serpentine setups is why...

Lot's of people have serpentine setups is why spacers complicate matters, that's my reason, and reasoning.


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Forum: Pontiac - Street Yesterday, 11:38 AM
Replies: 26
Views: 693
Posted By HWYSTR455
Someone needs to come out with a shallow crank...

Someone needs to come out with a shallow crank pulley for crank trigger wheel setups. Having to shim all the pulleys is a game killer for many if not most.


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Forum: Pontiac - Street Yesterday, 09:13 AM
Replies: 91
Views: 7,877
Posted By HWYSTR455
That looks like what I'm using on both cars. I...

That looks like what I'm using on both cars. I might have 5 degrees on the caster on the Judge, but would have to go back and look.


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Forum: Pontiac - Street Yesterday, 08:19 AM
Replies: 24
Views: 810
Posted By HWYSTR455
I would say stay in the 9.0-9.5 SCR range, can...

I would say stay in the 9.0-9.5 SCR range, can easily run 91, 89 in most cases, even if quality slips. But I would run 91 all the time, even at lower SCRs, the gas is just plain better quality.
...
Forum: Pontiac - Street Yesterday, 07:31 AM
Replies: 26
Views: 693
Posted By HWYSTR455
No need for a dual sync with a Sniper, the...

No need for a dual sync with a Sniper, the hyperspark is all you need. The dual sync dizzies are kind of problematic, avoid them unless absolutely necessary.


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Forum: 70-72 GTO Tempest & LeMans TECH 05-09-2024, 04:03 PM
Replies: 124
Views: 23,359
Posted By HWYSTR455
.466 is very close to the .469 mark, and a...

.466 is very close to the .469 mark, and a pushrod length diff could have made the difference. (rocker causing pushrod length discrepancy) .

Even with the stamped rockers, in certain...
Forum: Suspension TECH 05-09-2024, 03:59 PM
Replies: 37
Views: 1,204
Posted By HWYSTR455
Unfortunately, a 70 is different than the 64-67s,...

Unfortunately, a 70 is different than the 64-67s, and not a good example.

I run 275/40s all around on my 70, with 18x9.5 wheels, but have aftermarket upper control arms. Also not a good example.
...
Forum: Suspension TECH 05-09-2024, 03:56 PM
Replies: 37
Views: 1,204
Posted By HWYSTR455
So tread width and section width are 2 diff...

So tread width and section width are 2 diff things, and you need to take both into account.

The tall the tire is, the wider the section width gets. The more narrow a wheel is, it can also make a...
Forum: 70-73 Firebird & TA TECH 05-09-2024, 01:20 PM
Replies: 53
Views: 8,045
Posted By HWYSTR455
They are ROH RT wheels, had them for a while, not...

They are ROH RT wheels, had them for a while, not even sure they make them anymore. They are 18x9 in the front, 18x10 in the rear.

They are the regular silver ones, but did think hard about the...
Forum: 70-72 GTO Tempest & LeMans TECH 05-09-2024, 01:15 PM
Replies: 124
Views: 23,359
Posted By HWYSTR455
Is there a witness mark in the hole? I wonder if...

Is there a witness mark in the hole? I wonder if it's actually hitting the body/fulcrum area and not the hole? Maybe the pushrod is too long for the PRW rockers?

I'm just trying to understand...
Forum: 70-73 Firebird & TA TECH 05-09-2024, 09:37 AM
Replies: 53
Views: 8,045
Posted By HWYSTR455
Still curing, awaiting wet sanding/cut/buff... ...

Still curing, awaiting wet sanding/cut/buff...



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Forum: Pontiac - Street 05-09-2024, 07:53 AM
Replies: 58
Views: 2,228
Posted By HWYSTR455
Yeah, it's not wise to guess, you have to check....

Yeah, it's not wise to guess, you have to check. No sense putting a temp set in there, waste of money.

https://www.youtube.com/watch?v=o5is9BsH5OU


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Forum: 70-72 GTO Tempest & LeMans TECH 05-09-2024, 07:48 AM
Replies: 124
Views: 23,359
Posted By HWYSTR455
Is it actually the hole closer or is it because...

Is it actually the hole closer or is it because the slot/fulcrum area is larger? Curious.

I know many have had issues with the roller-tip only rockers, be it PRW or Comp, maybe it's inherent?
...
Forum: Pontiac - Street 05-07-2024, 08:18 AM
Replies: 23
Views: 857
Posted By HWYSTR455
PAW throw-back add from 1980: How about a...

PAW throw-back add from 1980:

How about a 400 or 455 short block for $1154.00?

Rotating assembly w forged pistons - $475!

PAW catalogs were the xmas Sear's catalog for gearheads! Heheh!

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Forum: Pontiac - Street 05-04-2024, 04:18 PM
Replies: 20
Views: 572
Posted By HWYSTR455
FYI - When calculating critical speed, you...

FYI - When calculating critical speed, you should shoot for half the max RPM.


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Forum: Pontiac - Street 05-04-2024, 03:51 PM
Replies: 20
Views: 572
Posted By HWYSTR455
3.5" has a higher critical speed limit than a 3"....

3.5" has a higher critical speed limit than a 3".

Yeah if you haven't welded up the exhaust yet you're golden, just will be slightly lower is all.


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Forum: Electrical Tech 05-04-2024, 01:45 PM
Replies: 18
Views: 302
Posted By HWYSTR455
It would only be hot during cranking, but yes,...

It would only be hot during cranking, but yes, should cap it off or just eliminate it if you don't need it.


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Forum: Exhaust TECH 05-04-2024, 01:42 PM
Replies: 23
Views: 1,039
Posted By HWYSTR455
Here are some tables from Jim Hands Muffler Test:...

Here are some tables from Jim Hands Muffler Test:



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