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Had a holley 770 on my 340 swinger ran great. However always felt it was lacking at low RPM driving, around the neighborhood and such...built a 600dp to see what would happen, so much "cleaner" at low RPM, off idle is great but I definitely lost my WOT performance....it falls flat much quicker...

Nope, I've heard him drive it. It's up there, and if it's a few hundred off then so be it, it still screams !

I think there's an extra zero there !

Cross ... honestly never figured it would be this big of a deal ! I shift at 6k now with my stock 340, it gets there pretty quick. Didn't think another 2k would be that much trouble ....

Yeah, oops!

Sorry, no converter needed with a 4spd ....... :realcrazy::realcrazy::realcrazy:

My inbox is clear !

No discouragement taken, that's why I posted this ! In my mind it sounds awesome, reality is another thing. Maybe I'll just stroke the 71 340 block I have, put the eddy rpm heads that are currently on my #'s engine and see where that gets me .... I'm sure plenty to have fun ! Also...

Wow ! Who wouldn't want that under their hood ! Not sure on that price though, seems unrealistic

Very well said, maybe its the allure of a stupid high rpm street car for no reason other than to do it

Damn yellow rose, sounds like you're convinced these engines aren't worth the trouble for high rpms .....

Don't have a number in mind honestly, just want it to hold together ! This all stems from a guy near me with a 327/4spd 55 Chevy. He drives the **** out of his car, shifts at 8k everytime he drives it. Sounds amazing!

My head is just fine thanks for worrying about me though. I pretty much already assumed stock parts would not do it without carnage at some point. I know there's a lot that goes into it, was just trying to get some specifics from those that have done it successfully

Ok, don't beat me up on this one. No I don't race, I know it's completely impractical .... thinking of rebuilding the engine in my 70 340 swinger in the near future. Will be putting the #'s matching engine in the corner of the garage, I have a complete stock bore 71 340 that I'd build. My...

Had almost the same problem with a 383 I built. Oil dripping from the rear pan bolts and off the bottom of bellhousing. No oil inside bellhousing... removed and sealed oil pan 3 times and was still leaking. Finally put UV dye in the oil and found it coming from the rear main seal. Could see...

Here's what I use ....

That's exactly what I use, have a bunch printed out ready for use !

Well now that you met RRR(who's not that bad by the way) , I agree .. your pressure is a bit low, but not going to kill your engine ... factory oil pressure spec is much lower than most folks are "comfortable" with ... to bad so sad on that one .... i personally think you should continue with...

95 Dakota, v8 .... on my 383

Air gap on my 340, just be advised it is tall. Air filter clearance may be an issue for you. Mine is in a 70 dart, factory filter and it's tight !

Or any RTV on a carb gasket for that matter ....

I should really start taking notes when I'm making adjustments, im pretty good when tuning my carbs but never wrote down timing numbers. I'll double check hopefully this week some time. I'm pretty sure I adjusted the can to open at 9" vacuum, because I was using manifold vacuum and wanted it...

If I remember right, the most vacuum I could get at idle was 11"

Just went through my 1970 service manual, shows vacuum advance hooked to ported vacuum with a description .... looks like a got some tweaing to do once the weather gets above 30 degrees ! .... on both cars ....

Some good info here. Last year while tuning the new carb on my 340/4spd dart I drove around for a few days with the vacuum gauge hooked up to see what was happening during all different loads, and adjusted accordingly ... I think I will drive around now with the gauge hooked to ported vacuum...

does it matter who he was an engineer for ? I've read a lot of what you've written on here and even asked your advise on some electrical stuff, but do you honestly believe gm timing operation differs from Chrysler and even ford ? I think not, the principal and operation is the same across the...

All you can do ? Ha, that was pretty damn good ! Thank you for that read, I should just have you build my next engine ...

I I completely respect your experience, here's where I'm at with my cars ... 383, xe268h (477/470), source heads, 9.44:1 comp, 727, 323 gear ... vacuum advance to full manifold, points distributor with pertronix ignitor2 : zero slow speed bucking, very smooth off idle throttle response...

Adjust, then use a vacuum pump to see when it opens at what vacuum ....

I think they are. They one i bought from napa for my 340 dart is adjustable, the one that came on my replacement distributor for my 383 is also adjustable... I think the adjustable ones are hex shaped instead of round ? I may be wrong on that though