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  1. PurpleBeeper

    Vacuum at idle ?

    about 14" at idle with a mild cam
  2. PurpleBeeper

    70' A12 Road Runner

    Not a bad idea. I believe you can still buy a fiberglass '70 hood with the '69 A-12 scoop on it....I think I saw it online somewhere recently. Maybe you could put on an air grabber hood instead? Your car, your choice
  3. PurpleBeeper

    What kind of affect on value does a replacement block have on value

    Congratulations! Well, the value goes down for sure but a little less if you can PROVE the engine/trans were out of another 440+6 car. I'm not sure, but if you can do that unless you know of an A12 VIN registry with your block/trans VIN listed???? How much will it lower the value?.... no...
  4. PurpleBeeper

    6 bbl Nitrous Oxide system from Nitrous Express

    I've wondered about that. I mean, the carburetors are using fuel too, from the gas tank, and that's burning inside the engine with the nitrous too. I'm sure it doesn't hurt to throw in some race fuel with the stand alone system.
  5. PurpleBeeper

    6 bbl Nitrous Oxide system from Nitrous Express

    There's a guy in my neighborhood running a 351W with a big nitrous system (250hp?) running one of those. It's an interesting idea. I think it would be a really good idea if you could "purge" the fuel somehow when you switched over to it or the first 1-2 seconds of nitrous will be running on...
  6. PurpleBeeper

    6 bbl Nitrous Oxide system from Nitrous Express

    That is sweet! As we discussed, I like the option of a 2-stage system. The BIG think to look out for is the clearance of the nitrous/fuel fitting on the back of the center carb vs. the front of the rear is TIGHT in there, especially with a nitrous/fuel line running into the front of...
  7. PurpleBeeper

    What’s the only or easiest way?

    Yeah, those are really tight in there. You could also grind down a boxed end 16-point wrench.
  8. PurpleBeeper

    I found some pictures of my old A12 Superbee today

    When you say that it makes me think "affordable & possibly for sale" :)
  9. PurpleBeeper

    I found some pictures of my old A12 Superbee today

    Dang... I'm SURE you miss that car. Could you track it down by the VIN number off an old title? If not, then maybe build another one! I'm a Roadrunner guy, but I love the looks of those Super Bees!!!!!
  10. PurpleBeeper

    question about a wiper motor

    Yep, I just learned this myself.....3-speed wiper needed for clearance with a 6-pack & I'm 99% sure for Hemi's too for air cleaner clearance. Now that I think of it, I think you'd need a 3-speed wiper system for any airgrabber/ramcharger hood.
  11. PurpleBeeper

    Intake fitting help 70 V code california auto roadrunner

    Hey Diesel, does it have air grabber?
  12. PurpleBeeper

    Aluminum 6pack Intake Narrower?

    I'm sure you're right. Wish i knew exactly what was taken off the block face of the heads. I believe there's a formula for block face vs intake face milling....but i can only guess....which is why i only shaved 0.020" off the intake manifold. It's easier to take more off than put it back on.
  13. PurpleBeeper

    Aluminum 6pack Intake Narrower?

    Well thanks everyone...... I need a good machinist. My block was "supposedly" milled .040" due a a "very uneven deck height" 25 yrs. ago & the heads were milled some unknown amount... and intake face of the heads looks OEM. Since the motor was together I shaved .020" off the intake faces & the...
  14. PurpleBeeper

    Aluminum 6pack Intake Narrower?

    I've always heard aluminum and iron 440 six pack intakes are the same except for the metal. You can buy paper gaskets for the intakes (69 I think) that "sandwich" the valley pan. I've never been able to fit the paper gaskets on my iron intake which makes me wonder.....are the aluminum ones...
  15. PurpleBeeper

    What are ya'll using for 6 pack kickdown / throttle brackets?

    I'd keep checking. If I'm thinking of the correct part, they are reproduced. 2nd option --> if you're is custom anyway, maybe cut a slice out & re-weld it to make it shorter?
  16. PurpleBeeper

    a12 lift off hood repair ?

    I like your idea of the repair & pictures would help. Maybe you could build up the area with fiberglass & then just use the fiberglass resin as your "bondo" (no glass mat for final coat). "Bondo" is also fiberglass, but with A LOT of filler in it. The pure liquid resin is harder to sand for...
  17. PurpleBeeper

    Direct connection carb tune up

    Oh yeah... I forgot the 292/509 cam is borderline for piston-to-valve clearance too (good thing YOU remembered). I've always liked those triple-pumper setups, but have never had a hot enough motor to use them effectively.
  18. PurpleBeeper

    Direct connection carb tune up

    6-Pack: That is a "triple-pumper" setup typically used for race only with HUGE cams/heads/etc. and in my opinion are WAY too much for a 906-head motor with a 292/509 cam. 292/509 Purple Shaft Cam: A good cam in my opinion if you don't have power brakes (very low engine vacuum, so little/no...
  19. PurpleBeeper

    440 6bbl decal placement

    I've never measured one, but in general the "440+6" goes exactly on the sides of the air grabber scoop. If you get no response at all & don't have an A/G hood, then PM me and I'll take a couple measurements. Never mind.... I see from another post you've got a '69 RR
  20. PurpleBeeper

    center carb difference?

    I "think" the only difference is carb jetting. The '71's "might" all have the "California clean air" vents on the center fuel bowl instead of just the rubber plug/vent, but I'm not positive.