
Updated: Monday, May 05, 2008
|
The
SDPOCI’s Monthly Meeting: Callahan's Mira Mesa Tuesday 5/13/08 7:00 pm Due’s
Time Once Again (See
bottom of this page) |
DMac's II BBQ

Sunday, April 27, 2008
Once again DMac & Cherri have outdone themselves with an outstanding BBQ!
The day was beautiful and so were the classic cars in attendance.
Thanks Mac & Cherri...It was a great time!
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Website Spotlight
This is a very cool website.
If you are buying new rims for your ride and are wondering what they will look like, go here.
Go to the Wheel Visualization tab on the right.
From here you can choose your car, and then swap wheels of different manufacturers, styles, sizes and different tire size
Way cool!
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From
The Picky Picky Picky Garage
of
Dale Arries
Hi Ya Hot Rodders -----------
With all the advertising and hype about horsepower and torque, it’s impossible not to have heard these terms. We’ve heard ‘em but do you know what they mean and how they are related, or where they came from? You sorta, kinda, know? I thought so. Well, let’s see if I can ‘splain it to ya so that the next time some “bow tie” person is boasting, you can ask him to provide an accurate definition or clam-up.
Torque is first. Since we are all Pontiac persons,we know that Pontiac engines are torque engines as compared to our “bow tie” cousins (no brotherhood here). So what is torque? Torque is, by definition, “the force that acts to produce rotation”. Or easier said, the effort of turning. As torque applies to automobiles it can be thought of as the amount of work an engine can perform. To find out the torque of an engine,it is hooked up to a dynamometer which applies a resistance to the engine that is measured as torque. Torque is rated as pounds foot. The dyno only measures torque, the horsepower is a mathematical derivative. Even though you get a print-out that shows a graph with torque and horsepower readings, the horsepower is converted from torque by math. The mathematical formula for torque is: Torque=5252 x hp/rpm.
Horsepower. Now there’s a word that’ll get your attention. What is it? Horsepower, by definition, is “a unit for measuring the power of motors or engines equal to the force required to raise 33,000 lbs at the rate of one foot per minute”. Simpler said, it’s the power required to raise 550 lbs one foot in one second. This was established back in the early 1800’s by James Watt as a means of comparing a steam engine to the then-current standard of a draft horse. The mathematical formula horsepower is: Hp=torque x rpm/5252. So horsepower really is how fast the work is done.
Now we know what torque and horsepower are, but how are they related? Okay, think of torque like this: if two men were loading boxes of parts (Pontiac, of course) on a truck and one man is able to lift a maximum of 100 lbs, that would be his torque rating. If this guy took one minute to load the 100 lb box then in one hour he could load 6,000 lbs. If the second man could not lift more than the 100 lb box but could load 2 boxes in one minute, then he would have loaded 1200 lbs in one hour. Both men have equal strength (torque) but the second man can do it faster (horsepower). This is because although both men are of equal strength the second man is able to do twice the work in the same period. Therefore, torque is the work and horsepower is how fast the work gets done. Simple, huh? Also, horsepower and torque are always equal at 5252 rpm.
Happy Trails and Merry Motoring --------------------------
Dale
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Past Events
Show & Go at Jim Wangers - Feb. 16
Special Thanks to the SCCPOCI for putting on a real nice event.
January in San Diego
Chapter
Officers
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President 858-451-3275 |
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Vice President & Car Council 619-442-4182 |
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Secretary |
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Activities Jim Thomson |
jthomson@san.rr.com |
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Treasurer 619-444-1577 |
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Webmaster 760-740-1771 |
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Historian 619-442-4182 |
Membership
Renewal Information
San Diego POCI Due's: $25 per year.
Make check payable to S.D. POCI
Send check to:
S.D. POCI
11027
Dutton Drive
La
Mesa, CA 91941
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For the National POCI membership renewal, you can now do so online:
http://www.poci.org/ go to the "Membership Renewal" tab.
Or
by mail: send $31 (add $2 for spouse) or $34 dollars to:
POCI
World HQ
Note: Be sure to include your POCI member number when you send your check.