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gmqcode

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Vehicle Info

  • My Car
    1973 Mach 1 Q code 4 speed.

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    New Jersey
  • Region
    Northeast

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  1. Hi all, just wanted to post a followup to my hot start issue. RPXR400 had sent me a heat spacer that he made and was no longer using. He made a nice quality piece. I installed it and it seems to have solved the hot start issue. It has cooled off here in NJ, but I ran the car real good the other day and it started up fine after the run. I also added fuel line insulation in addition to the spacer. So all is well and I thank Rick for really helping me out! Attached a pic of the final product. Oh and BTW ethanol fuel sucks!
  2. I will give the Crown duct a try seeing as I am unable to find anything else. I saw that spacer on E-bay and shot the guy a few questions, but he never got back to me. Thank you for the great info Steve....
  3. The aluminum EGR spacer in in place and I planned on putting the plastic spacer on top of that with the gasket with the SS spacer so I don't think the plastic will melt. The EGR spacer has the spreadbore design so I don't think that the open insulator would be the best option. The heat crossover is not blocked off. Was looking at factory spacers they used for the 351M motors and they look like they might work, but not sure if that intake is the same as a 351C. Thank you for the reply! I know that the 351M intake is not the same as the 351C. The deck height on the M is taller, therefore the intake is wider. The bolt pattern for the carb should be the same I would think. Gets to be a pain trying to find this stuff. Lets us know how you make out with it. There is a guy near here that makes heat proof spacers, but I don't know where exactly he is. He was at a local swap meet a couple of weeks ago. Let me check around and see if I can find him. Why I forgot this, I don't know....... unless it's old age!! I'll PM you if I find him. Geoff. Ha yep! Been looking for the air cleaner fresh air hose for 2 years! Can't believe there's not a repo for that. Would be great if you could locate that guy's number or e-mail. I will let everyone know how I end up dealing with this issue when/if I find a solution.
  4. The aluminum EGR spacer in in place and I planned on putting the plastic spacer on top of that with the gasket with the SS spacer so I don't think the plastic will melt. The EGR spacer has the spreadbore design so I don't think that the open insulator would be the best option. The heat crossover is not blocked off. Was looking at factory spacers they used for the 351M motors and they look like they might work, but not sure if that intake is the same as a 351C. Thank you for the reply!
  5. That's exactly what I wanted to do but no one makes an insulated spacer for the 4300 Motorcraft. I just ordered the fuel line insulation which I will add also.
  6. I know what you mean about originality........ to a point. Fact is unless someone really knows, a good carb hidden under an original air cleaner is all but invisible. No-one seemed to notice yesterday when my car won best in class for Original 1970-79's at a show. It's up to you entirely, but I did have a major overheating problem on my carb before I did two things. 1, make the insulator and 2, block off the heat passage in the manifold from the underside. Not an easy job, but worth it. I could probably take the spacer out or just use that 1/4" one I have. By the way, my car is a 71 351C 4V, square bore with a Holley Street Avenger 670. Thank you for the advise, nice car!! Gary
  7. I thought about making one but I was hoping that there was someone out there who would be able able to point me to a shop or a manufacturer than makes them. My car is not concours but I do like to keep things as factory original as possible and have already spent a lot of time getting this back to factory condition and running properly. The oddity these days seems to be having the original car at a show as opposed to one that is modified.
  8. Yes, I have the aluminum EGR plate installed but it does not appear to have the heat insulating properties the I need. I wanted to add a phenolic heat spacer to the top of that.
  9. Having a serious hot start issue with my completely stock 1973 351CJ due to excessive carburetor heat. I have concluded that I need a 1" or smaller carburetor heat spacer for the original Motorcraft 4300D. Searched extensively but cannot locate anything that will fit. It seems that the 4300 has a Holley bolt pattern but the Quadrajet spread bore configuration. My question is, has anyone ever located/used one of these spacers? If so, any help or direction on where I might locate one would be appreciated. Thank you in advance!
  10. Yes, my air cleaner was missing when I got the car so I had to hunt one down and this is what I got. Plus I kind of like the chrome lid!
  11. Thank you for your replies! I did some more research and I believe Autoedit is correct. It is the connection for power seats although mine never had any. This would also account for the constant power. Found one source that says a power drivers seat was a very rare option for 71-73 Mustangs. Of course Mustang being in the same stable with the Cougar, which has a power seat option. Anyway I feel better that there is nothing missing and will just tuck the wire under the carpet where it was. Once again thank you all! Great Site!
  12. A Mustang could get power seats? I did not know that!
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