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Nice work IQ52! I know there are some good threads on CNC 906 heads with Max wedgie ports! I know it’s 50+ years for the infamous 906 heads, but I still want to spend 40-60 hours on a ‘fools errand’ lol. Best wishes to all Iron lovers... John

Great thread and deffo for the 'diehards of Mopar'! My daily driver V8 days were over nearly thirty years ago doh. The difficulty in getting service parts in the 90's stopped me in my tracks... Then came the internet with 'Airmail' parts and 'instant info' and it seemed, all too easy (all of a...

With the choke open, it will only suck air and not fuel...

Hi again, The problem I see with most high compression engines is 'cylinder burnishing'. Its like bore wash from too much fuel going past the rings, but much worse. Cold cranking is a bad time for any engine, it should start asap, or you are causing damage. Pooring fuel down a carb is asking...

Hi Jonus, Deffo NO, Ali or iron, same old same old! Long skirts, short skirts, cast and forged, strokers are worse...:realcrazy: Been building Mopar engine since the 80's and it NEVER works... UK pump gas eats pistons over 10 to 1, every time...:mob: I have a BIG collection of busted pistons...

David's 512ci engine in the Polara (daily driver) lol...:luvplace:

Hi again El Toro, The 70 GTX is a high compression engine! It will not run on unleaded (low octane) without damaging the pistons. E10 is poo fuel and may hurt the pistons. I would only ever use Super-unleaded with octane booster if needed. Apparently Esso is still 100% petrol '99-octane' with...

Hi El Toro, Good to hear there is another 70 GTX in Surrey! My Moparmate Jim Chandler had one since the 80's in Cheam village. Cool car and he drag raced it for many years, running 11 seconds dead! I owned it for a while and he restored it in the 2000's. Someone in the MMA owns it now and it...

Hmmm, sounds kinda funky to me? Nice Dyno room, maybe in my next life I will get one two? I got a couple of 413's to build myself for my 64 D200. Low comp (Industrial block) with 516 fully ported big valve heads. The other is an original 1962 max wedge with a modern Indy crossram. If OZ was...

Hard to find good pics of Max Wedge heads? Anyways they have nice ex ports as you would imagine...:thumbsup: No lumpy bits in the flow-path...:moparsmiley:

Great thread on a very rare Mopar head! I have ported all the heads from the 'lowly' 516 to the 452's and the awesome Max-Wedge. 440/383 Intake ports are all very similar up to 1970, but the problem lies in the exhaust area's. The worst ex-port is the 516 and the best is well, all the others...