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Ok I will try and figure that out

:bday: :bday:

Most of us have heard of the increase in flat tappet camshaft and lifter failures over the last 20 years. Some of us have actually had it happen, even more than once. I have. FOUR times too. The blame has never been able to be attributed to one issue but is often spread around a few things. The...

In my opinion.... it still comes down to the comp ratio you have, and the deck height. That will determine how much cam you CAN use, and how much you SHOULD use. And without that info, we are all just spinning wheels. Check out a comp ratio calculator to find out all the info you need to have to...

Here are two cars that are a prime example of the cost/price and condition difference. A 1974 and a 1972. Can the 74 be brought to the condition of the 72 for the $9500 price difference? 1974 Plymouth roadrunner $12000 dropped to $10500 1972 Plymouth satellite/roadrunner tribute $20000

It was going in a 440/727/60 Duster, for 90% strip use. Was a beast on the street, .... with 5000 converter, and 4.56.

High volumes of traffic and accidents on normal days. Ultra high volumes of traffic during holiday weeks. Plus I-95 Widening Project (Georgia Border to US 278 in S.C.). Groundbreaking started this past August.

Duration and cam timing have more effect on piston to valve than lift. At full lift, the piston is WAY down the hole. I made a cutter, out of an old valve, used a drill motor, and an old head as a fixture, and cut my own reliefs. Pick the lift you want, then get the shortest duration you can...

Probably ought to be decided quickly: whatever metal comes off is going to attack every bearing. Had a near-twin to that many years ago; gold interior car with power windows that ran up & down like guillotines. Last I heard, it's still in NorCal and being enjoyed.

'60

@davek

That’s a pretty big duration cam I would think for the street I just really don’t want to buy new pistons if possible

Yeah it’s 30 over bore. anyone ever had valve reliefs put in there pistons do they make a jig and a specific bit to do that? I was wanting something in the 540ish lift just not sure about duration.

At my age and size, it works much better!

The factory rated compression ratios by Mopar are usually 1/2-1 point optimistic. Your 67 with closed chamber heads was probably closer to 9.5 to 1. Does it still have the standard bore 1967 pistons in it? If not, compression ratio could be anything. For reference, we had a cast piston flat...

Problems there? Construction?

440 source says there 80cc

I just did this last summer, once you get started it'll be smooth sailing. The M&H harness are so nice and pretty self explanatory. I didn't remove windshield but did remove radio, I had steering column down and front bench seat removed.

Good used 1973 340 air cleaner. Good condition still wearing the factory sticker. Still has factory ribbed breather hose too. Getting hard to find and these are getting pricey once restored. This one is $175 and shipping Parts are located in SE PA. Can send more pictures if interested. Pm here...

It's Friday! What's in your glass? I hate to drink alone!