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Forum: Pontiac - Street 10-29-2021, 10:42 AM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Try to remember that critical speed calculations...

Try to remember that critical speed calculations are calculated on perfect factors, and are only a guide. And there are other factors that contribute to critical speed (and tube strength) that are...
Forum: Pontiac - Street 10-29-2021, 07:13 AM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Driveshaft critical speed calculator: ...

Driveshaft critical speed calculator:

http://www.wallaceracing.com/driveshaftspeed.php

"Critical Speed is the RPM at which the driveshaft is computer projected to bend or whip. Exceeding...
Forum: Pontiac - Street 10-28-2021, 04:05 PM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Ok, I looked, and in the description it says...

Ok, I looked, and in the description it says this:

"The Cast Iron Weld ends are recommended for cars making around 600 WHP or less. For cars making more we typically recommend our U1702 3 inch...
Forum: Pontiac - Street 10-28-2021, 04:01 PM
Replies: 94
Views: 9,672
Posted By HWYSTR455
I'm certain it's way more than an OE, and bet...

I'm certain it's way more than an OE, and bet more than a DOM steel 3.5". Call and ask.

There's an area along I-95 outside of DC that has a bunch of commercial truck repair shops, there's a couple...
Forum: Pontiac - Street 10-28-2021, 11:56 AM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Here's a 3" CM strange with u-joints & ends for...

Here's a 3" CM strange with u-joints & ends for $279:

https://www.strangeengineering.net/product/3-inch-chrome-moly-driveshaft-with-cast-iron-weld-ends.html/

.
Forum: Pontiac - Street 10-28-2021, 11:52 AM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Sure, here's a 3.5" strange chrome moly with ends...

Sure, here's a 3.5" strange chrome moly with ends and U-joints for $465:

https://www.strangeengineering.net/product/seamless-chrome-moly-drag-racing-driveshaft.html/

Your link goes to a slip...
Forum: Pontiac - Street 10-27-2021, 12:59 PM
Replies: 94
Views: 9,672
Posted By HWYSTR455
Not sure about 4", but know 3.5 is no problem,...

Not sure about 4", but know 3.5 is no problem, and would imagine 4 would also have clearance.

There are many factors for driveshaft design, too much to go into here. You can brush up on it by...
Forum: Pontiac - Street 10-27-2021, 07:22 AM
Replies: 94
Views: 9,672
Posted By HWYSTR455
If you choose to have a shaft made, the majority...

If you choose to have a shaft made, the majority of the cost is labor and ends, it makes sense to just have a whole new shaft made. With u-joints, ends, and a slip yoke, expect to pay in the...
Forum: Pontiac - Street 10-26-2021, 02:58 PM
Replies: 94
Views: 9,672
Posted By HWYSTR455
IMO, 50 year old driveshafts are worthless, and I...

IMO, 50 year old driveshafts are worthless, and I would never put anything with even OE power levels of the day in front of them. They were borderline when new.

If you're getting a new shaft made,...
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