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What is the valve lash setting for 440 509mopar hydralic cam

Looking for input on these planning on buying a pair to replace my stock 452s My 440 has 509 cam m1 intake 850 carb The car runs 7.50s i was wondering what kind of et difference this would out of th box. Also planning on running there 1.6 rockers

Anybody running indys cast heads i going to buy a set instead of doing work to my heads my 452 heads are stock. The indy heads have three angle and bigger valves and bowls have been clean up The car runs 7.50s now what kinda of times will it run with the new heads

How much porting can be done to a 452 head i run a 509 cam i run 7.64 looking to port heads and run 7.20s

What would it take to make 550 horse with this setup 440 bored 030 452 heads not ported stock crank 509 cam 10 5 1 compression M1 intake single plane 850 quickfuel Carb I am looking into a cam change and porting the heads I don't have the money to buy alium heads I want to run low...

what kind of plugs do u guys run and what heat ranges 440 bored 30 509 cam 10 5 compression m1 intake quickfuels 850 i run autolites but i think it needs something hotter I was looking at autoliites 3934s but not for sure if they will fit my heads

I am running a 509 mp cam i going to change it for comp cams 305 duration 525 lift was told it was a way better cam. Is there any one running this cam

Should i run gasket on the valley pan 440 on the bottom and top. The intake before didnt not have any before and seem to be ok .

How much of a gain would i have going from a torker 2 to a m1 intake. My motor has a 509 cam with 452 heads 10 5 1 compression 850 quick fuel 4000 stall 456 gears.

What causes the center of a spark plug to blow out I was cruisin arond town and took it to launch to and went to shift and it blew the center of a plug. I am running tti headers i am wondering if i should get heat sleeves for the plug wires

post your 440 big block 11 seconds combos

I have a torker intake on my 440 now i am looking for something better THe motor makes 450 hp It is a street strip car I like to find something esle thanks