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Thread: Drag Racing

  1. #61
    Loose cups can't be fixed correctly, so that's a bummer. Good they caught it now though. They'll do a good job so you can get all 650 HP to the wheels!

    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  2. #62
    Larry

    Who built your new 9"

  3. #63
    Join Date
    Dec 2006
    Location
    Mill Creek
    Posts
    1,224
    I found them on EBay but their name is Quick Performance. They are highly recommended in the racing links. Here is their ebay store.
    http://stores.ebay.com/Quick-Performance-Racing

    The person I talked to is Brydon 641-751-8060

    Larry
    Larry Smith
    1964 Futura
    347 stroker



  4. #64

    Driveshaft

    Quote Originally Posted by BadBird View Post
    [SIZE=4] So, he is making a new driveshaft with 3" diameter which is a little bigger.
    Hello, Larry.

    Is the new driveshaft aluminum? What does it weigh, and how much less does it weigh compared to the original steel driveshaft?

    Was the driveshaft that was replaced steel or aluminum?

    I recently had my drive shaft balanced and new universal joints installed. In retrospect I wonder how much extra money it would have cost and how much weight would have been saved if I had requested to have the original shaft replaced by an aluminum one "while I was at it".

    Thanks, Dennis.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  5. #65
    Join Date
    Dec 2006
    Location
    Mill Creek
    Posts
    1,224
    Dennis, I went with steel again. I talked to several people who race their cars and they used to run with aluminum, but they wore out too fast for them. I checked with Summit and Jegs for pricing and it really isn't a whole lot of difference to buy the aluminum.

    My driveshaft was 2 3/4 in diameter and they recommended at Drivelines Northwest that I go with the 3" for my horsepower and drag racing plans.

    The weight of the steel one I am getting will be 19 1/2 lbs. and the aluminum would be 13 lbs.

    There are benefits to both. You can get aluminum driveshafts or even composite for drag racing, but not near the cost of the steel shaft.

    Take a look at the different internet sites and see what you think. I value your input a bunch. Larry
    Larry Smith
    1964 Futura
    347 stroker



  6. #66

    Driveshafts

    Quote Originally Posted by BadBird View Post
    Dennis, I went with steel again. The weight of the steel one I am getting will be 19 1/2 lbs. and the aluminum would be 13 lbs.
    Hello, Larry.

    I looked into the aluminum driveshaft idea a little bit and found a discussion of aluminum driveshafts for 1979-1983 Mustangs. That seemed similar to a Falcon. See: http://www.americanmuscle.com/do-i-w...body-tech.html

    A one piece aluminum driveshaft costs $429. They said "A stock steel driveshaft (for a 1979 - 1986 Mustang) weighs approximately 20 pounds, whereas a Ford Racing aluminum variant tips the scales at around 13.5 pounds for a savings of 6.5 lbs".

    The lighter weight is supposed to reduce the inertia and allow it to get spinning quicker to allow faster take-offs. The faster acceleration would probably be in the hundredths of a second range and not perceptible to the driver.

    Like you said, though, they evidently do wear out quicker. I saw this post on a Mustang board: "I have a shaftmasters driveshaft that started vibrating noticeably, so I took it off the car and put back the stock driveshaft. Sent the aluminum one to Shaftmasters to check it out; and they tell me that the slip joint is worn out; they'll fix it back to like-new condition for $395."

    If everything else were equal, it would be nice to have a 6.5 lb lighter driveshaft. It would be difficult, though, to justify spending $429 to save 6.5 lbs. The Ford engineers of 53 years ago would have considered all of this when they selected a steel driveshaft for my car. I will defer to their judgement and keep my stock driveshaft.


    This has got nothing to do with the drag racing topic, bit I will insert it just because it is cool. A guy on a Mustang board said that in the past he had a 1960 Dodge (not AMC) Matador. I had never heard of a Dodge Matador before and I had to find a picture of one to see what it looked like. Wow!!! That car would attract attention if you drove it around town. Dang.

    1960-matador-1.jpg

    God Bless America!
    Last edited by ew1usnr; February 24th, 2016 at 05:14 PM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  7. #67
    Join Date
    Dec 2006
    Location
    Mill Creek
    Posts
    1,224

    Drag Racing

    Went to put in my new driveshaft today and instead of shortening it 1 1/2" they made it 1/1/2 longer. Took it back to Drivelines Northwest and they will fix it.
    Will work some more on installing the line lock tonight.

    Dennis, that Dodge was a very popular model when it came out. There were quite a few of them around, but not sure where they all went. Still love that body style.

    Nanana 12, not sure about the reply? Did I miss something?
    Larry Smith
    1964 Futura
    347 stroker



  8. #68

    Driveshafts

    Quote Originally Posted by BadBird View Post
    [SIZE=4]Dennis, I went with steel again. I talked to several people who race their cars and they used to run with aluminum, but they wore out too fast for them. The weight of the steel one I am getting will be 19 1/2 lbs. and the aluminum would be 13 lbs.
    Hello, Larry.

    I've been thinking about this.

    The lighter weight aluminum driveshafts are promoted as a way to reduce inertia so as to allow it to get spinning quicker to allow faster take-offs.

    But, ... you do not spin a drive shaft in isolation. A driveshaft is engaged with the differential so you are also pushing the 3000 pound weight of the car while you are spinning the drive shaft.

    I do not think that the argument about the aluminum driveshaft having less spin inertia has any relevance at all. The only advantage is in the actual 6 1/2 lb weight reduction (which is not very much).

    Dennis.
    Last edited by ew1usnr; February 27th, 2016 at 02:55 AM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  9. #69
    Join Date
    Feb 2007
    Location
    Fredrickson
    Posts
    977
    Remember, I'm an "old-guy" so be gentle with me, but back in the day (late 50's), we used to shave our flywheels (don't recall how much), and the quicker revving COULD be felt in the seat of our pants (or maybe we just convinced ourselves that we felt it). Ya hafta remember that the entire drive-train including the wheel/tire combination becomes a mass that must be rotated (flywheel effect) and the mass of the entire vehicle must be overcome to accelerate. So shaving the flywheel (or drive-shaft) becomes a pretty small factor. But we had no other way to measure as we weren't legally racing in timed events, and dyno's weren't available to us either.

    Handsome dude with my 1st car (circa 1956 or 57)... $35.
    Attached Images Attached Images


    Gene Smith
    Fredrickson, WA
    '65 Ranchero Deluxe
    302, EFI, 4-Spd
    Granada Discs

  10. #70

    Hot Rod Gene

    Quote Originally Posted by SmithKid View Post
    Handsome dude with my 1st car (circa 1956 or 57)... $35.
    Cool! What is that? That would be a fun little car to drive to work each morning.

    The way the post displays your first car above above your current 1965 Ranchero makes the 51-year old Ranchero look brand new and ultra-modern.
    Last edited by ew1usnr; February 27th, 2016 at 10:57 AM.
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  11. #71
    Join Date
    Jul 2013
    Location
    Federal Way
    Posts
    906
    That is a great picture Gene
    Don Bartlett
    Federal Way, WA
    61 Four Door Sedan
    144-6, 3 on the tree



  12. #72
    Join Date
    Feb 2007
    Location
    Fredrickson
    Posts
    977
    It was a 1930 Model A Ford Coupe. I also had a 1929 two-door sedan (cost $25) that was the parts car to get it roadworthy. I took the auto-trade class in HS and the '30 was my project car. Did a complete overhaul including scraping the poured babbitt mains and rods (no inserts allowed by the instructor) in class. Those engines had no oil pump, but relied on splash. Only drove it for a few months because I foolishly decided to see how fast I could get it to go down a looooong hill on HS graduation night (got it up to almost 70 and blew the engine). Crazy!!!!!
    Last edited by SmithKid; February 27th, 2016 at 04:08 PM.


    Gene Smith
    Fredrickson, WA
    '65 Ranchero Deluxe
    302, EFI, 4-Spd
    Granada Discs

  13. #73

    Model A's

    Hello, Gene.

    I think that Model A's had a "normal" top speed of about 50 mph, so you were really screaming at 70 mph.

    What did you replace the Model A with?
    Dennis Pierson
    Tampa, FL
    "The Wonder Falcon"

    '63 Futura Hardtop (260, Ford-O-Matic, bench seat)

  14. #74
    Join Date
    Dec 2006
    Location
    Mill Creek
    Posts
    1,224

    Drag Racing

    I sure wish I had pictures of my 57 chevy. Oh well. Dennis you and I agree about the aluminum driveshaft. The discussions on the drag racing sites, almost all said that with a stick shift where you are more likely to start off the line with higher revs were causing the aluminum shafts to tweak and especially wear out at the u-joints.
    That was enough for me to not worry about the 6 1/2 pounds. And after installing that 100 pound third member I figured heck with worrying about the weight.

    The 9" ford axles were also heavier. The housing is heavier, so weight???

    Larry
    Larry Smith
    1964 Futura
    347 stroker



  15. #75
    Join Date
    Feb 2007
    Location
    Fredrickson
    Posts
    977
    Dennis, my 'A' would top out on the level at 53 to 55. Yes, it WAS screaming at the speed I got it to, and afterward I felt very foolish. The next car I owned was a '49 Ford two-door. Had it for around 6 months and got rid of it to join Army. Sorry I hi-jacked your thread, Larry.

    FWIW, I agree totally with both of you regarding the aluminum drive-shaft. There are far better/effective ways to save weight.


    Gene Smith
    Fredrickson, WA
    '65 Ranchero Deluxe
    302, EFI, 4-Spd
    Granada Discs

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