Good day Larry, Bobby, Hemmi06, and Joe, thanks for your marvelous replies!
forrestbump wrote:Robroy, YOU are a "national treasure" to this site in that your research has saved me, and I'm sure countless others, many hours of research, trial and error plus saved us money in our Bump builds all by your very generous nature of sharing, in detail, each and every step of the way with what YOU'VE accomplished with #50's build.
Thanks for saying this Larry--that's very kind of you! It's hard for me to imagine how #50 would have turned out without FORDification, but the contrast is probably about like a muddy Cabbage Patch doll at the landfill versus a Terracotta Army soldier with green LED eyeballs. I've received a lot of education here!
forrestbump wrote:THANK YOU!!!
You're welcome Larry--thanks for appreciating the threads!
BobbyFord wrote:That's a heck of a fan. Should sound like an F4U...
I've got a 1972 429 LTD flex fan on my motor, pulls A LOT of air. That six blade should be more than adequate.
Thanks Bobby! And you're probably right--it will probably be pretty loud. If the noise bugs me I'll try something else, but at the moment I'm inclined towards simplicity wherever possible. Your fan setup sounds good (and simple) too! I actually wasn't aware that Ford used flex-fans; that's interesting.
fomocoguy wrote:Hey Robroy, I was just thinking to myself about your exhaust and the thread that you had going about what diameter pipe to use and how to configure it all. Did Tom agree with your findings or did he have his own opinion on what size pipe and type of crossover to use?
Thanks for being interested Joe! Tom agreed that for my application and intended use, 2.5" pipes with an H-pipe would be a good configuration, so that's how it's being done.
If I remember correctly, I heard that the 2.5" pipes would be quieter, more torque-inclined, and less horsepower-inclined than larger pipes; I liked the sound of that. Plus, I'd already ordered my headers and mufflers, both of which were set up for 2.5" pipes.
Regarding the H-pipe, here too I believe I heard from Tom that the H was more torque-oriented, while the X was more horsepower-oriented. I may not be remembering what I heard correctly though, so I could ask him about this again. I was actually thinking of doing another video-recorded interview with him about this latest carburetor and exhaust work!
Today's Updates:
- Tom went with a Holley 0-80783C 650 CFM carb' (replacing the Edelbrock 1407 750 CFM carb').
- I believe Tom made changes to the carb' configuration before installing it (I'll ask for the details)!
- Due to a miscommunication (my fault), Tom didn't include an H-pipe at first, but he's going to cut that section out and re-do it with an H'.
- Since it's a convenient spot to locate one, Tom will put the H' right behind the transmission crossmember.
- Tom asked me whether I'd like a straight welded H', or one with a flange in the middle. He explained that the flanged type makes the exhaust a little easier to remove and install, since it's possible to separate the two sides of the exhaust (making it easier to handle), while the solid welded type is cleaner looking. I decided to ask for the flanged type, since I prefer easy serviceability over good looks (and I think the flange looks fine)!
- Tom will be including O2 sensor bungs for future chassis dyno tuning.
- Dennis Carpenter said they were out of D3TZ-8146-C/D3TA-DA shrouds, and that I'd have to wait a year for them to make more! So they canceled the order.
- I called NPD to see if they had any of the D.C. shrouds in stock, but they were all sold out too.
- Finally I ordered LMC P/N 43-2834, which their catalog lists as "D3TA-8146-DA," which I don't think is even a Ford part number. But I spoke to a woman on the phone and heard its dimensions, and it sounds like the same thing.
- At $100, I doubt it's the D.C. reproduction shroud, and is probably even from China or India--we'll see! Being LMC, the lady naturally refused to tell me where it's made (or by whom). And we know what that usually means!
Tom sent me these photos on Thursday of the work done so far; y'all can click on them to see full-sized editions.
Larry, Bobby, Hemmi06, and Joe, thanks for your fantastic replies!
Robroy
in your future.
