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  • Users: XCELLR8
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  1. X

    Lean burn Thermoquad differences from non-lean burn

    Are there any differences between the two Thermoquads? ( Lean burn to non- lean burn) Most cars that the lean burn system has been removed, including mine, have an aftermarket carb on it. I have been told that the lean burn carbs have extra features for the lean burn system. Truth or rumor. TIA
  2. X

    Melting the potting material out of ECUs

    I'll make this quick. Bought my 1977 Cordoba in 1996 and shortly after alternator quit. Replaced it with one from an auto parts store. Only driven the car off and on ~300 miles in last 25 years and have melted the black potting out of the back of two ECUs. The first was a factory Lean burn...
  3. X

    Aluminium heads coming, what gaskets?

    I did a search and only got 3 results, so the question is, will any gasket work? I am new to Aluminium heads (first set), so please be kind. I have seen so many different kinds and price ranges, what am I looking for? I need schooled, thanks.
  4. X

    Ignition - What would you choose.

    I am building a new street motor (451 stroker) and was thinking about what type and brand of ignition to go with. I have the MP dist. with coil and ballast resistor/box on the firewall now. I am looking for reliability and simple, the K.I.S.S. method, not a race only system. I've looked at the...
  5. X

    OEM 9.25 sure grip carrier looks

    I replaced my 8.25 rear-end with a 9.25 sure grip. When looking at the carrier the outside was machined and looked like it was 2 pieces. Was the OEM unit as cast or machined? I'm thinking the carrier might be an aftermarket unit. When I was able to try it out the sure grip gave out to a one...
  6. X

    Engine build question

    I'll make this short. I have a 400 block that has a 4.375" bore. I have been looking at the Keith Black 240 pistons in a .030" overbore, so 4.372". Keith Black has the piston to wall clearance at .0025" min in a street motor, and .005" in a drag motor. So my question is this the piston I...
  7. X

    Cordoba Drum Brakes

    I did a search, but no answer. I am wanting to know if the rear drums brakes on the Chrysler Cordoba's are the same for a 8.25 and 9.25 rear end. If not, what's different.
  8. X

    Fuel sending unit options.

    I'm looking for options on where to get a fuel sending unit for my 77 Cordoba, as I think my float went bad last fall. I have found a couple but they only go to model year 76. Will the 76 one fit in my 77 or is there other sending units I can use? I have the larger single exhaust gas tank.
  9. X

    Thermoquad and low vacuum??

    How does a stock thermoquad behave with a motor that has low vacuum? Vacuum is 6" to 7" at idle. I have been messing with a Edelbrock 800 cfm carb and can not get the off idle bog to go away, the rest of the carbs' operation is doing just fine.
  10. X

    ECU box testing??

    I have a 77 400 in my Cordoba and it runs and drives. It has had the electronic conversion done to remove the lean burn set up years ago. I noticed that the ECU box was losing the epoxy in the back of the unit and running down my firewall. I bought the Jegs HI-REV 7500 ECU unit as it was made...
  11. X

    Fuel Pump/ Fuel line questions

    I have switched the stock TQ and intake to a Edelbrock 383 intake and 800 CFM thunder series carb on my 77 400 Chrysler Cordoba. I am using the stock fuel line and pump with a 3/8" hose attached to the end of it to the carb. My problem is when I go WOT the new carb seems to be sucking more...
  12. X

    Which electronic ignition distributer to run?

    Ok I have a 77 Cordoba with a 400 in it. The Lean-burn has been removed and a factory conversion kit installed buy previous owner(he owned the local Chrysler dealership). I have a MP distributer that came off of a different 400 I am going to make into a stroker down the road. My question is...
  13. X

    Timing mark question.

    A quick question. The rebuilding book I'm looking at states to put the timing marks close as possible (i.e. crank gear 12 o'clock and cam gear at 6 o'clock) together. Reading on this site, this is wrong and that both marks need to be at the 12 o'clock position for the motor to be at TDC on #1...
  14. X

    How much lift can stock 452 valve springs take?

    Tried the search, did not find an answer. Like the title states, how much lift can the stock springs on the 452 BB heads take? Thanks
  15. X

    Aftermarket heads on a smogger 400?

    How much horesepower do you think one would get by putting on a set of stealth heads on a smogger 400? You should see about a one point increase in C/R with the stealths being a 80CC head. I'm putting in a hughes whiplash cam and was thinking about putting on a set of heads while I was in...
  16. X

    77 Cordoba - 9 1/4 or 8 3/4 Rear?

    I have a 77 Cordoba that I'm building a 451 stroker for. It will be iron headed for now, hoping for 400 horsepower. The plan later is to put alum heads on it and push the power up to 500 horse. It has the 8 1/4 open rear in it now. Should I get a 9 1/4 (easer to find/cheaper) or put in a 8...
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