Any input on this carb?
Thanks, rumblefish. Well, I can tell you this....although it didn't involve a dominator. I had a 65 Valiant with a 12.5:1 360. it was a BLUEPRINTED 12.5:1 motor.....not some bench racin bullshit. It had 205 PSI cranking pressure. I had the Mopar 292 purple shaft in it, LD340 intake, Doug's headers, a hot 904 with 3K stall and 4.30 gears. ran mid 11s. I went from a heavily modded 750 3310 vacuum secondary carb to a 780 DP and the car slowed down. I tried jettin that damn thing every which way and never could get it back to where it was. Bolted the vacuum carb back on and it sped back up. If there was a car that wouldda "liked" a double pumper with an automatic, believe me, that car wouldda been it. It ran good with the DP, just not as fast or quick. It's funny to me that all this is in the MP engine book. It says vacuum carbs for autos and DPs for manuals.....and no exceptions, whether it's deep gears, flashy converters or whatever. This is why you'll see a lot of Thermoquads in the different SS classes of racing. they are about the best vacuum carbs there are up to a certain point. The DPs are good at makin you "feel" like you're goin fast cause you can feel those secondaries kickin in. The truth is, if you can feel it, then that's a bog, and bogs slow you down. Even with vacuum carbs, when you can feel the secondaries coming in, you need to do more tuning. Once you get it to where it's smooth as glass and all it does is keep on keepin on, you got it right. I've always felt like vacuum carbs were a thinkin man's carb because they are smart carbs. They know when to open up. They just need to be fine tuned to what's under them....and most of the time, a WISELY chosen vacuum carb for a given application will be very close to perfect right outta the box. That's tougher to do with a DP, especially with an automatic.