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Adam H P15 D30

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Everything posted by Adam H P15 D30

  1. Adam H P15 D30

    next on the list... improve braking

    Are you sure small GM calipers (metric as we call them) aren’t available over there? Almost all midsize GM cars used them in the 80’s-90’s. if you want it to stop better, I’d go with front disc brakes before I sunk a dime into the drums, been there done that! Only other mod needed after the swap is to remove the check valve from the stock master and you’re good to go... Adam
  2. Adam H P15 D30

    Wheels and tires

    In California, 450.00 might get the material and possibly part of the labor. That is if you bring them in already cleaned and blasted. At 175.00-200.00/hr, the price moves quickly. Adam
  3. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    Now all that's left is to paint the rims and install new tires. Going to put 235/60/15 tires in the rear to offset the tall 3.0 rear gears. Currently has 235/75/15 rear tires, the smaller tires should put me at 2800 rpm @ 70mph. I think I will paint the wheels Almond with an orange/red pinstripe. Adam
  4. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    So I found smaller diameter air filters (sorry forgot to take a picture) from WIX. They have a nice application by dimension chart on their website. Below is a picture of me trimming the base down for the smaller filters. I am still confused as to why they caused a restriction when so many others use them without issue, but it runs much better now with no difference in performance with or without air filters.
  5. Adam H P15 D30

    I bought another old dodge !

    If at all possible, clean and reuse your points. New points are mostly overseas garbage. Adam
  6. Adam H P15 D30

    Thermostat Modifcations

    I cannot see how a tiny 1/32 hole would do anything to minimize build up. I think the author is full of it.
  7. Adam H P15 D30

    Thermostat Modifcations

    Once the air is bled out of the system, you should not be getting any air pockets unless there is something wrong. When filling, I hold the valve open with a couple of aspirin while filling and burping. Aspirin dissolves and system works as designed. Adam
  8. Adam H P15 D30

    Ignition Information needed Please

    Look at the slat six distributor mod and leave the Pertronics out. Those Mopar distributor pick ups are super reliable, lots of stranded stories with Pertronics. Couple that with a hidden HEI module and your good to go with a better ignition system at 1/2 the price. Plus parts are anywhere if it does have trouble. Adam
  9. Adam H P15 D30

    Dual carb/split intake

    Precise syncing is a must with individual, separate runners. With a common plenum you don’t have to be as precise and is much more forgiving. Multiple carbs tuned and set correctly on these straight sixes give a “street” driven car improved driveability as well as a little bit more power but it will never be a race car.
  10. Adam H P15 D30

    Dual carb/split intake

    I would put them on a common plenum. Especially for the street. Adam
  11. Adam H P15 D30

    Placement of residual pressure valves

    Try it without the valves first. I ended up not needing any after I pulled the internal one.
  12. Adam H P15 D30

    stupidest thing I've ever seen

    I was referring to the new parts you listed a few posts back. That said, yes on everything you listed above except the starter, it doesn’t care. I’ve been running my 6v starter for 10 years on 12v with no issues, the clock too. I also ran the same condenser for 5 years before I did the slant 6 distributor mod with no issues, coil too. I just added a ballast resistor.
  13. Adam H P15 D30

    stupidest thing I've ever seen

    The only loss would be the battery.
  14. Adam H P15 D30

    stupidest thing I've ever seen

    Sorry Tim, I deleted my post because I didn't want to come off as a smart a__. I don't think Lucas made any electrical component that wasn't garbage. I've rewired lots of Jags.
  15. Adam H P15 D30

    stupidest thing I've ever seen

    Gas gauge doesn't care about polarity.
  16. Adam H P15 D30

    stupidest thing I've ever seen

    FWIW, I have changed every old car I've ever owned to 12v NEG ground. The manufactures wised up and did it in the 50's, I can use off the shelf components, Battery cables are easy to find, it starts easily cold or hot, Headlights are bright even if you have a crappy connection. I don't see a down side, unless you're going for a concourse queen.
  17. Adam H P15 D30

    how to preserve an old decal?

    Be careful using Lacquer over any Enamel paint. I would spray a Urethane clear over it. Adam
  18. Adam H P15 D30

    39 Plymouth residual pressure valve?

    I pulled mine out of the stock master cylinder because of front disc brake drag. Didn't affect the 8" Ford rear drum brakes at all. Always a good firm pedal. Did it on the car, took about 20 minutes including bleeding the air out. Adam
  19. Adam H P15 D30

    First outing

    It happens with these old thin wheels. I heard once radial tires go on, the flexing gets worse. My 49 wheels did this 6 months after radial tires went on. It was only paint but it shows the flexing, newer wheels were much thicker....
  20. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    That setup works well with higher compression engines.
  21. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    I see your log manifold is alive and well and still not installed on the Dodge. Get going
  22. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    @casper50 Just a quick question, Is that you vacuum advance going to manifold vacuum? If so, how does it run? I have my HEMI plumbed that way because it's 11:1 and I have the timing backed way off so I need the vacuum advance at idle.
  23. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    I've been following you thread
  24. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    I really like the way the air filters came out so I hope I can use them. If not, I'll be talking to John Edge about other creative options
  25. Adam H P15 D30

    Home Made Intake, Exhaust & Freshen-Up

    Just an update: I have been driving the car some and found an issue with a bog at full throttle, yesterday I noticed the was some smoke also. I've always heard how well these little webers ran right out of the box so the investigation started. I always noticed the bog since the manifold/carb change but I knew it just wasn't right. Earlier (page 1) I stated I had to siamese the Langdon air cleaners because I spaced the carbs a little closer together than I should have and as a result I might have an airflow problem. Pulled the air filters and went for a drive, no more bog and it ran even better. Looking closely at the air filters and covers I found the problem and I'm wondering if anyone else who purchased Langdon's air filters have come across the same issue? The covers have an inside diameter of 6 7/8 inches and the outside diameter of the provided element is 6 3/8 inches, which leaves about a 1/4 inch gap between the element and the cover effectively choking the incoming air. I can't believe this hasn't come up to Langdon as I am sure he sells a lot of these buttttt, I did modify his design which could've aggravated it. Langdon puts out excellent products so I think my modifications are the likely cause. The Fix I hope: I am going to find 5"-5.5" elements and trim the base plate to match. I will update when it is completed. Adam

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