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Hey guys i just was wanting to get some guidance on this subject, ever since i had the 340 in my demon rebuilt when i restored it the plugs always look carbon fouled, ive never had a miss caused by it but they always look black. I change them every 2 years and never have a issue, im just wanting...

Hey guys after getting my intake back on im doing the valve cover gaskets. I applied #2 to the valve cover and have the gasket stuck down, do you guys leave the gasket dry to the head or apply a thin swipe of oil?

Hey guys, finally got started on my slow coolant leak from my intake, got the intake off, got everything cleaned up for the most part. Still a little oil and coolant i have to get out of the valley, I just had a question about the discoloration on the cam lobes, does it look normal...

Hey guys. So my edelbrock intake has started leaking between it and the head im gonna go ahead and pull the intake and reseal it and do the valve covers as well. first off what gaskets do you guys recommend? Also i know the china walls need rtv so i plan on using the permatex grey. Any...

Hey everyone, ive noticed this winter that my 340 has developed a slight stumble or miss when the car is cold, once i drive it down the road 2-3 miles it clears up. I always let it idle for about 5 minutes or so before i drive it to allow the oil to get circulated and come up to temp. It has...

Ive searched and found anything from 17 ft lbs to 20 ft lbs, i know either should be fine but which one should i use. Im using grade 8 bolts and advised torque is 25 dry and lubricated is 18 ft lbs. Also the pulley has one hole that is slotted, does this have to be positioned in a particular...

Hey everyone, i guess im on a aluminum kick now lol. When i first built my demon we used factory pulleys as i was on a budget, i used factory water pump, crank and alternator pulleys to free up some cash for other parts that were more beneficial to the extra green backs. I had to install i...

I just want some clarification, im running stock valve covers on my 340. On the drivers valve cover i have my pcv valve and the hose routed to the carb. On the pass side valve cover i have a edelbrock breather with a hose going to the air cleaner. Now in theory the pcv valve opens with a vacuum...

ive searched through several threads but couldnt find a definite answer. Ill ive found is 30 ft lbs. is this correct?

hey guys ive pondered this for too long, is there really a significant hp gain going from a mechanical fan to a clutch fan? Whats my best option for a fan clutch? And can i use the factory style fan with said clutch? Thanks in advance for any guidance

can anyone that has a edelbrock performer intake measure the thread depth of the carb mounting holes? Thanks for any help. Need to know how long of studs i need without having to pull the carb off

Hey guys im getting ready to do my routine changing of the plugs as i do every two years (they are too cheap not too). I believe i have been running the factory spec on the gap. My question is are there any reasons to modify the plug gap to different than original specs? 10:1 340 .040 over with...

Hey guys i have a accurate exhaust system on my demon with the performance mufflers. I was thinking of swapping the mufflers out with a pair of gibson mwa mufflers to try and get a little unique tone as i know many people aren't running them. I have one on my single exit bronco exhaust and it...

Hey guys, im a pretty acvtive preventative maintenance nut. Change fuel filters every year along with oil. Change plugs every two years. Well its been about four years since the cars been done and decided to replac the distributor cap and rotor. So got them in mail today, swapped cap over no...

Ok so engine temps stay around 180-195 even when its 100 out. But here lately my car seems to be idling rough and throttle doesnt seem as responsive. Is vapor lock to blame? Or am I expiriencing bad fuel? Edelbrock thunder series avs carb, been about three years since carb has been adjusted

Hey everyone i got a built 69 340 in my 71 demon. I have heard some people say 5 or 6 quarts of oil. Which is it also how do i know if i have a shallow or deep oil pan. I really want to know cause i think ive been putting 6 in it also will over filling it be harmful? Thanks for any thoughts or input

hey guys, im converting my 71 dodge demon 6cyl. with auto tranny to a 340 4 speed car and have a couple of questions reguarding the 340 engine. 1. Who makes the better engine mount swap kit from 6cyl. to V8? 2. the AVS carb for the 340 is a #4401 for a auto trans. is there any difference between...