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  1. Bill Dedman

    Cam design limitations

    I am trying to figure out how this works: I'm told that I can't BUY a short duration, high-lift cam for my slant 6, from anywhere. I am talking about a 210-degrees at .050" lift profile (112 degrees lobe separation) with .530" lift. The story I get is that to get that much LIFT, I have...
  2. Bill Dedman

    Slant 6 rocker arm metalurgy

    Is there any information available on what kind of metal makes up the main body of the rocker arms on a mechanical-lifter slant 6 engine? I need to know whether that main '6 rocker arm body is a type of steel that can be welded on, and how hard it is, in terms of its ability to be machined...
  3. Bill Dedman

    VFN Fiberglass quality

    Has anybody here bought from these people (VFN) and if so, what was your experience with them? I need a flat, pin-on, fiberglass hood and was considering VFN, as AAR doesn't make one for my car ('64 Valiant.) Any info will be appreciated.:happy3:
  4. Bill Dedman

    /6 904 help, please

    Does anybody make an aftermarket flexplate (B & M, etc.) for a /6-to-904 hookup? Maybe a small-block flexplate would work???? Any information will be appreciated! Bill
  5. Bill Dedman

    Header flange to round pipe interface

    The slant 6 header flanges have square holes in them to match the square holes in the head (intake and exhaust ports.) To build a set of headers from these flanges, what's the best method to change the shape of the primary 1 5/8" header pipes to square, to match the holes in the flanges...
  6. Bill Dedman

    Fiberglass hood mods... crazy?

    My '72 Valiant needs help in the weight-distribution department. I have been considering a lightweight (race-type) flat, stock-appearing fiberglass hood and front bumper for it. Here's my question; laugh if you want to, but I am dead serious and will welcome any replies... pejorative...
  7. Bill Dedman

    Toyota 10.5" ring gear...

    I was in a Toyota dealership today and they had a display that showed a 2009 Tundra (pickup) ring gear and they were pointing out that it had a diameter of 10.5-inches. That sounds interesting to me, if ratios are available for it. I was wondering if any of the gear companies might glom...
  8. Bill Dedman

    Is it just ME???

    Or, are these center sections getting heavier all the time??? All I know is, I have bench-pressed my last one into a housing! The three months I spent in the hospital last year seems to have robbed me of whatever strength a 70-year-old geezer is supposed to have, so, I made myself a little...
  9. Bill Dedman

    Vortech blown 360 dyno day

    Well, I finally got my ol' junk on a dyno, today and to my delight (and, surprise) it didn't cough its cookies at 6 grand! Here are the engine specs: Stock bore and stroke 360 Magnum with about 16,000 miles on the clock, with stock cast pistons, rods and crank... factory rings, head...
  10. Bill Dedman

    NEW 4" CRANKS $250.00 any good?

    Just got my new Mancini "flyer" in the mail and they're having a sale on stroker cranks for 360 motors; a 4" Eagle cast crank for $239.00. (bottom of page 4; column 2) There's also an M-P (360 mains) 4" crank for $249.95 at the top of column 4, on page 2. That seems awfully cheap to me...
  11. Bill Dedman

    Wideband air/fuel ratio meters.

    I just bought a F.A.S.T. wideband air/fuel ratio meter. I plan to use it on my 360 Magnum, which is supercharged and has a SnowPerformance Boost Cooler water/alcohol injector system that is set to start spraying when the boost reaches 3.5 pounds. On Snow's recommendation, I run windshield...
  12. Bill Dedman

    4- piston caliper "sleeving"?????

    I have a '72 A-Body with the original 4-piston caliper disk brakes, and one of the calipers has had a problem, almost since it was new, of one of the pistons sticking in its bore, and not retracting, This not only slows the car down, (dragging brakes; just what you need at the drag strip...
  13. Bill Dedman

    A Body LARGE bolt pattern rear brakes

    On ebay, there's a company selling A-Body rear axles with the 4.5" (large) bolt pattern. In the axle information it says they also have '73-up LBP brake drums that will allow you to keep your original 8.25" rear A-Body brake hardware (backing plates, shoes, etc.) Does this mean that if...
  14. Bill Dedman

    Driveshaft question:

    I am replacing my u-joints (7260...small) with the next size up (7290...larger), and am wondering about driveshaft length. The center section I will be replacing at the time of this swap (a 3.55) has the 7260 yoke, and the front yoke is also a 7260-size. I have a 7290 front slip-yoke to...
  15. Bill Dedman

    Thinking outside the box

    There are a lot of reasons why small block Mopars SHOULD have outrun Chevy V8 small blocks over the years... To name a few: Superior design features, like: Valves centered in the cylinder (Chevys are not) Larger diameter lifters (better valve actuation) Longer rods (better cylinder...
  16. Bill Dedman

    Iron Ram heads from Hughes

    http://tinyurl.com/6q7ga6 Has anyone bought a set of these new heads for the 318/360 Magnum? They are new cast iron castings and feature 2.02" intake valves, 1.62" exhausts, and reportedly out-flow the iron R-T head considerably. They sell for $1,024.00 a SET (2) with a racing valve job...
  17. Bill Dedman

    Blowoff valve operation questions...

    I need some help in understanding the way a blowoff valve functions on a centrifugally-supercharged (or, turbocharged) motor. Attached is a picture of the blowoff valve in my setup, and as you can see, it has the required vacuum line (from the intake manifold) running to the top of it...
  18. Bill Dedman

    OD transmission opinions

    I am looking for information relative to the good and bad points involved in the use of 4-speed OD Mopar transmission swaps into A Bodies. I have a '72 Valiant with a supercharged 360 Magnum in it, BUT, it is a very mild engine combination, and doesn't make a whole lot of power. Maybe...
  19. Bill Dedman

    Good quality fiberglass hood and bumper?

    Has anyone bought, or seen, the fiberglass hoods that are manufactured by Unlimited Products in Hesperia CA? I want to put a fiberglass hood on my car ('72 Valiant), but I don't want something that is hard to install, going to crack, or looks terrible. If you know of a company that sells a...
  20. Bill Dedman

    741 case; 7290 LARGE U-joint yoke???

    I realize that the answer is probably a resounding NO!!!!, followed by gales oF laughter, but I have a very good 741-case 3.55 with a brand bew Auburn limited slip that works really well. I am apprehensive that my Vortech blown 360 MAGNUM, with 10 pounds of boost, might shred the small U-Joint...
  21. Bill Dedman

    904 front u-joint yoke

    Is it possible to acquire a large u-joint slip yoke for a 1972 904 TF? Mine has the stock, smaller u-joint, and I'm afraid for its life, on the strip. I have never seen one with the larger (727-size) u-joint, but I am in hopes that someone builds these. Any info will be much appreciated...
  22. Bill Dedman

    APRIL HOT ROD; 360 Magnums

    Pretty informative article on (their opinion) low-dollar hop-up of a 360 Magnum 300HP crate motor in the April 2008 issue of Hot Rod. Basically, they flow-tested stock heads vs. Edelbrock alum. heads, and then dyno-tested a 300HP crate 360, and then replaced the cam with a .565" (!)-lift Comp...
  23. Bill Dedman

    MSD analog relibility; any ideas?????

    Any "analog" MSD gurus out there? I have an MSD Boost Master timing control that is a combination spark retard unit for dialing back the spark when boost occurs in a supercharged or turbocharged engine, AND contains a "module" that replaces the stock (OEM) ecu(?) "orange box" ignition module...
  24. Bill Dedman

    MSD repair turnaround time

    I sent an ignition module to MSD to be diagnosed/repaired on Friday, the 12th. I asked the technician there about how long it might take for them to fix it and ship it back, and he said 7-10 "working days." Some other folks I've talked to have said that they think, based on their MSD repair...
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