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After reading this post I just do not understand how you cannot run a Shroud to help keep you engine cool. I once had a heating issue where my car would run around 200+ degrees with a Fan shroud, an OEM fan along with a 180 degree thermostat in my HP 340. I ended up replacing my fan with a 17"...

If by chance you have a flex fan on it very well could have flattened out. I had a vibration issue one time and it drove me crazy trying to find it and then one day I just happened to look at my fan and seen how flat it was and the blades should not be flat so bought a new one of the same and...

I do not think moving the Clutch closer to the radiator is the answer. I once had a heating problem in my 340 reaching a temp of between 205 - 215 and I found that moving the fan back from the radiator allowed the fan to pull more air over more area of the radiator. My heating problem went away...

I purchase my 22" shroud for my 340 from Restoration Parts Source and it bolted right up with no modifications needed. Cost 4 years ago was $168 shipping included.

I have been using Fram oil filters since 1980 in all of my everyday vehicles and also my Muscle cars and I have never had any issues. Still using Fram to this day.

my 340 with some internal goodies

Using a siphon pump with a hose attached will eliminate the need to remove the cover. That is what I used to drain my fluid and it worked perfect.

I am running a 750 Edlebrock on my 71 340 with a 509 purple cam with 3500 stall with a Trans go shift kit. My 340 loves the 750 Eddy..

First thing is check your oil psi sending unit which has a tendency to leak having oil to run down to under your engine which make you believe you have a rear main leak or even a oil pan gasket leak..

I am running Mopar stamp rockers with 901-16 springs in my 340 .030 along with a Mopar 509 purple cam, 3500 stall and after 18,000 miles I have had zero issues.

750 Eddy on my 340 .030 over with a mopar purple .509 cam along with 3500 stall and a 9" ford 389 gear set. The 750 works great with this set up. Oh I may add that I also have a Holley Blue electric fuel pump with psi regulator set at 7psi

Ditto. I had to do the exact same when removing my starter from my 340 and I have a mini starter also. The biggest problem I had was removing the electrical clip connector on the top of the starter while the starter was still mounted.

Yes Summit carries them

Headers look nice BUT over a short period of time the paint will burn off leaving paint flakes. I have sand blasted them, heated them up to the required recommended temp before applying the VHT 2200 degree High Temp paint coating which is suppose to not peel or flake. Within 100 miles the paint...

The key to this question is I have never used a torque wrench and once you have tightened the bolts down be sure to check and retighten them after the car has reached operating temp. They will indeed need to be snugged up a little more..

I have no studs on either exhaust end water holes. I have regular header bolts and I have not had any leakage problems..Studs vs Bolts? Does not make any difference.

STP oil treatment which contains zinc. I have been using this for the last 25 years in both of my HP SB Mopars and I have had zero issues..

Valve body bolts ? So I guess I will have to drain the fluid out to check this... Thanks

I guess you could say starting to shift then slides into gear.. Been doing this for about the last 300 miles.

Ok guys in my 340 I have a 727 tranny with Trans Go Shift Kit along with a B&M Quick Silver Shifter with a Custom JD Convertor 3500 stall and a Transmission cooler and the problem I have is when the tranny is cold it shifts into all gears quick with no hesitation at all and I do shift this...

I am old school and people will laugh when I mention this but I use STP, which contains, Zinc at every oil change and I have been for the last 25 years in both of my SB Mopars. My motto is if it works dont change it...

I bought my Fan Shroud from Restoration Parts Source for my 340 Duster and it fits perfectly with no mods needed. Total cost was 168.95 including shipping.

What's it run? 340 390 hp 7.17sec in the 1/8 mile

I have been running Champs RN12YC with MSD 6A with Blaster Coil plugs gapped @ .048 in my 340 for close to 19 years and never have I had any issues with Champs..

Yes it is a 340 but automatic. I found the problem and it was not the tranny pan gasket which I thought it was, it was a bad O-ring on the dip stick tube. Replaced it and no more leaks.

Thats what I had heard also so every time I buy a bottle I read to make sure it does indeed contain zinc.

I am old school so for 20+ years I have been using STP oil treatment which contains zinc to every oil change and never have I had any issues in my current 340 and my previous 440 R/T

Thanks