# My pipe trades pro when solving a rolling offset only gives me 0.0 degrees

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Hi jlight49,

Your Pipe Trades Pro calculator from Calculated Industries comes with FREE technical support:

Email - techsup@calculated.com
Phone - 1-800-854-8075

It is hard to tell from the description of your issue, but when working with a rolling offset, the [Angle] will show 0.00. All the rolling offset outputs are accessed through the second function of [Travel] which is labeled as [Roll].

The key sequence is:
-enter your roll into [Roll] by pressing [Conv] [Travel]
-press [Travel] repeatedly to see the rolling offset outputs, starting with Length, followed by Fitting Degree, etc.

Thanks.

Posted on Sep 16, 2010

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
Goodluck!

Posted on Jan 02, 2017

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The formula for 45 degree bends is offset" x 1.414 equals the travel distance in inches. Example: to calculate the offset of a line 6 1/4", in other words move the line over. Turm 1/4 into decimal form (1 divided by 4=.25). Calculate: (6.25 x 1.414= 8.8375). To convert the decimal form of .8375 to a fraction multiply it by 16 (16/16=1") example: .8375 x 16=13.4 , 13 is the numerator, 16 is the denominator which gives you a fraction of 13/16". That gives you your travel distance center to center of a 6 1/4" offset= 8 13/16" travel distance. For accuracy in your measurement, you must subtract the fitting allowance (how much space the fittings take up in the measurement) from your overall travel distance. It sounds like a lot of steps, but using this formula gives you dead on accuracy in pipe fitting. If you know your travel distance and wish to find the offset, multiply x .707. Hope this helps.

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### If I have a shaft that is 49.5" long and it is offset .150" side to side what degree is it offset

A total offset of 0.150" is about 0.35 degrees on a length of 49.5". The impact that something being this loose has on a rotating part adds up quickly.
If I knew more about the part & assembly I could give you some advice. You could sleeve the bore or Grind, Chrome & Grind the journals to the proper size, If the 0.150" is from journal damage. If the offset is due to bending you might have to be a little more creative. mpro at cox dot net

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### What is the timing setting for 2000 chevrolet pick up 5.7 L

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Hello theman022002,

Your description would indicate that the timing is off. Possibly when you installed the new distributor you were off a tooth or two. Turning the distributor Will Not adjust the timing.

You will need to reinstall the distributor with every thing set to top dead center, then follow the steps below to set the proper cam retard offset.

Good Luck.

TEST PROCEDURE
The ignition timing cannot be adjusted. The distributor may need adjusting to prevent crossfire. To insure proper alignment of the distributor, perform the following:

1. With the ignition OFF, connect the scan tool.
2. Start the engine. Allow the engine to idle until the engine reaches normal operating temperature.

IMPORTANT: Cam retard Offset reading will not be accurate below 1,000 RPM.

3. Increase engine speed to 1,000 RPM while performing the following steps.
4. Use the scan tool in order to monitor the Cam retard Offset.
5. If the Cam retard indicates a value of 0 degrees, the distributor is properly adjusted.
6. If the Cam retard does not indicate 0 degrees, the distributor must be adjusted.

1. With the engine OFF, slightly loosen the distributor hold down bolt.

IMPORTANT: Cam retard Offset reading will not be accurate below 1,000 RPM.

2. Start the engine and raise the engine speed to 1,000 RPM.
3. Use the scan tool in order to monitor the Cam retard Offset.
4. Rotate the distributor as follows:
a. To compensate for a negative reading, rotate the distributor in the counterclockwise direction.
b. To compensate for a positive reading, rotate the distributor in the clockwise direction.
5. Repeat step 4 until 0 degrees is obtained.
6. Turn OFF the ignition.

NOTE: Refer to Fastener Notice in Cautions and Notices.

7. Tighten the distributor hold-down bolt to 3 N.M. (25 lb ft).
8. Start the engine.
9. Raise the engine speed to 1,000 RPM and with the scan tool view the Camshaft retard Offset to verify 0 degrees has been maintained.

Regards,
netvan

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The v-8's timing is supposed to be 0 degrees plus or minus 2 degrees and is only adjustable if you have a scanner. A timing light does not work on them.
These engines can be "timed" in the way you are used too.
The distibutor housing holds the cam sensor, The PCM calculates the timing by measuring the crank signal and the cam signal.

What you are seting by turning the distibutor housing is the correlation between the 2 sensors. On the V-6 model, the housing holddown bracket is fixed to the housing so if you return the rotor to the proper position when reinstalling the housing, the engine should be at the correct cam sensor position setting.they did not fix the holddown bracket to the V-8 models, it would have saved a lot of headaches.
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TEST PROCEDURE
The ignition timing cannot be adjusted. The distributor may need adjusting to prevent crossfire. To insure proper alignment of the distributor, perform the following:

With the ignition OFF, install a scan tool to the DLC.
Start the engine and bring to normal operating temperature. IMPORTANT: Cam ****** Offset reading will not be accurate below 1000 RPM.
Increase engine speed to 1000 RPM.
Monitor the Cam ****** Offset.
If the Cam ****** indicates a value of 0°+/-2°, the distributor is properly adjusted.
If the Cam ****** does not indicate 0°+/-2°, the distributor must be adjusted.

With the engine OFF, slightly loosen the distributor hold down bolt. IMPORTANT: Cam ****** Offset reading will not be accurate below 1000 RPM.
Start the engine and raise engine speed to 1000 RPM.
Using a scan tool monitor Cam ****** Offset.
Rotate the distributor as follows:
4.1. To compensate for a negative reading, rotate the distributor in the counterclockwise direction.
4.2. To compensate for a positive reading, rotate the distributor in the clockwise direction.

Repeat step 4 until 0°+/-2°, is obtained.
Turn the ignition OFF.
Tighten the distributor hold-down bolt to 3 Nm (25 lb. ft.).
Start the engine, raise engine speed to 1000 RPM and recheck Camshaft ****** Offset.

Thank you for using fixya and good luck.

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Hello,
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I hope this helps.

Roy

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