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  1. John h

    OE 26" radiator

    I'm in Wisconsin. The tanks are good. no leaks and it was holding pressure just fine with a 16LB cap. was actually cooling fine in town, but not on the freeway. Probably needed to be boiled out and reconditioned. I am just sitting on all sorts of parts that have been replaced over the...
  2. John h

    OE 26" radiator

    I replaced my factory 26" radiator with a cold Case Aluminum 26". My car is a 73 Cuda. The car has not been stock for 30 years, so I was not too worried about replacing but I'm wondering if there is any value in holding onto the the factory piece or if it has any value to others possibly...
  3. John h

    temp creeps up at highway speeds

    update: I installed the radiator. bled the system and went for a drive. The temp was about 86 degrees and humid. as I was burping the system and adding 50/50 mix the temp of the coolant got up to 197* siting in the garage. when the system was burped and full I capped it and went for a...
  4. John h

    temp creeps up at highway speeds

    update: all the suggestions have been addressed as per timing, base and total. I have verified I have a good working radiator cap, (replaced) verified coolant mix is no more than 50/50, I also ran mostly distilled water. I flushed the system 8 times. including the heater core and block...
  5. John h

    temp creeps up at highway speeds

    thanks for all the great suggestions. I will be dedicating a fair amount of time to this issues this weekend. My computer sets my timing and controls my AFR's but I'm going to start at the beginning and verify base timing and advance timing at various RPM's. I will also manually adjust the...
  6. John h

    Champion Aluminum Radiator

    Does Anyone know if you can use your stock shroud wit one of the champion direct fit 26" core radiators? I'm looking at a 3 core and I want to start with my own shroud and fan. I don't want to be forced to use electric fans. Thanks John
  7. John h

    temp creeps up at highway speeds

    took the car out tonight. it's 89 and humid in Western WI. this time I stayed off the Freeway traveled county roads keeping speeds no higher than 60. mostly around 50-55 mph at about 2200 RPM. the temps went as high as 223* I could bring it down to 219 or even 215 by driving 40 MPH or under...
  8. John h

    temp creeps up at highway speeds

    All, I was finally able to test the new hose, new home made spring and new cap all together. outside temp was 70-72 F. ran the car on county roads for 5 miles to the freeway. The temp came up nicely to 180* then to 183* could tell the thermostat opened because it dropped back to 179* for a...
  9. John h

    temp creeps up at highway speeds

    Update to address some of the questions. No complete fix yet. I do have a clutch fan. I purchased a new lower radiator hose but honestly it feels less firm than the one that is on there so I do not have hopes that it will keep it's self from collapsing. I also picked up a new radiator cap...
  10. John h

    temp creeps up at highway speeds

    I'm not sure if my fan is direct drive or not. I'ts the stock fan from 1973. it turns as soon as the crank turns. I think it was turning when I tested how many RPM it took to collapse the lower radiator hose.
  11. John h

    temp creeps up at highway speeds

    very good idea. I thought of that too but when I was last poking around I forgot to check the tension. When I found that the Rad hose was was collapsing, I got tunnel vision on fixing that issue. Thanks!
  12. John h

    temp creeps up at highway speeds

    I am running 3.55 gears. 16" dia rims with medium profile tires. would need to look into the conversion to get the exact diameter. standard 727 trans rebuilt with the radiator cooler. I will for sure address the hose collapsing. finding a new hose was easy locally, looks like a spring is...
  13. John h

    temp creeps up at highway speeds

    yes, factory shroud, fan and under hood rubber seal to the top of the radiator.
  14. John h

    temp creeps up at highway speeds

    Thanks for all the quick replies. My timing is controlled by my Fuel injection. I have 12* advance at idol and all in at 36* I had badly discolored coolant in the first run of the spring so I flushed it numerous times, with the hose and the radiator hoses off. Flushed it until it ran clear...
  15. John h

    temp creeps up at highway speeds

    Hi All, I have an issue where my temps stay cool, around 195 -200* while driving around town and even just idling for long periods of time. If I start driving on the highway, say 55-70 MPH, the temps start going up. The highest I let it get was 220*. I let off the gas a little and brought it...
  16. John h

    AC/heater box removal

    jumped the gun on that one. I actually clicked on the listing and got my question answered. Maybe I'm too dumb to do this work HA!
  17. John h

    AC/heater box removal

    what is the difference between the big AC kit and the basic AC kit. no parts info Listing in the add.
  18. John h

    ignition timing

    My initial timing is set at 12* Idle timing is at 14 right now. The directions say set initial timing at whatever is best for your motor (in my case, crate instructions say 12*) and verify with timing marks and gun. Then turn your rotor to +12* and lock it down. I was very confused by this but...
  19. John h

    ignition timing

  20. John h

    ignition timing

    sorry for taking so long here. I did not mark the post to tell me when there was a reply.... I'm using Fitech for spark control I'm using a TSP billet distributor with a Phasable rotor. If I dial the rotor back I get less kickback now but have not tested it warm.
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