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Did the 71/72 Demon/Duster 340 use the 90 deg oil filter adapter with the center outlet 3418623 manifold?

yes ive got the correct thermoquad, intake, and exhaust manifolds

Thought so but wasn't 100% sure. Thanks

Would a "J" head be correct for a 72 340? Getting parts together for the machine shop and the question came up as to what's correct. I'm building this car to run the pure stock drags, and I think they get particular with casting numbers. The car is a 72 Demon built 8-71

I see the old 241/260 hemi's have the same shaft length as a small block

Id have to see that to believe it. I know the spacer is made for a RB distributor in an B block, but you'd have to get lucky making the short B distributor fit in an A block unless it just barely made contact with the drive gear. Not to mention the wrong rotation.

I did this on my 70 340 swinger and it worked great. You could see the oil coming out of the seal area. The upper seal slid out of the block fairly easily. It turned out that the crank surface was pitted up a bit, so I had to use some emery cloth to clean it up a bit. The beast part was the...

X2, I had that happen with my Roadrunner and it took me forever to find the squealing.

yes, could just have been a loose filter. having said its an original 68 318 pump, ill rule out someone installing a high volume pump. I have had those create a lot of pressure with heavy oil. What weight oil are you running? I see you added oil treatment, some of that stuff is very heavy and...

I just had a 340 sleeved in a cylinder with a hole you could put your fist through. The machine shop had some concerns, but said they were pretty happy with the results. they recommended I use a stop leak just for extra measure. anyone sleeve one with a hole into water???

I reused the existing pump with my 340 build and used a gasket. Honestly the gasket scares me more than the used pump.

Safety comes to mind for me. With electric you need an oil pressure switch or I think they now make a tach signal switch.

Agree with both of these! My question is, Do you have a 318 and a 340 at your disposal? If not, consider a 360. My pick is a 340, but you may not have access to one, and a 360 would be second best. You want a daily driver, but id hate to see you get your *** handed to you at a stoplight when you...

Ah yes, that is good stuff. ill print it for future reference. These numbers are from the numbers 340 block I got from Mad Dart when I bought the 70 Dart from him. The block had a hole in a cylinder you could put your fist through. I had the machine shop put a sleeve in it, and I picked up the...

Thank you

Can someone decode the numbers from the front of a 70 340 block for me. FW340P29850138

the 340 in the swinger I just finished up had a leak at the rear main. I used the dye kit and not only found the seal leaking, but the oil pan had a crack where the oil pump bolt had worn through. I would have never seen it without the dye kit. I did change the seal in the car and it was no...

Correct. I was just asking in general for an off the shelf piece. I have these in my 70 340 and was curious of opinion on these.

What do you guys think of the SRP pistons? They make a .030 and a .040

I also think they got pretty big discounts from rock auto or one of those parts suppliers.

Louis, Was that the motor from the 70?

I'm not sure if it's Viton or not, it came in a felpro kit. As far as rotating it, that is not possible with the ears that fit in the rear bearing cap. I also checked the rear pan seal, and the leak is up further than that.

The main reason I would shy away from pulling the engine would be potentially scratching up the engine compartment, engine/trans tunnel. The paint is flawless top and bottom, so I want to be very careful.

Well, I would say that it leaks while running. I cleaned the whole area well with brake clean and let it set and no leaks. I then started the car and let it idle for a good ten minutes. After that I noticed the oil coming from the seal, and setting for a day noticed a trail and area on the...

Yes, ive considered that. and that may be the route I take.

Gotcha, ive read what directions come with the seal and understand the inside/outside of the seal so no problem there. The seal also comes with a small plastic tool to aid in the installation. I'm assuming that tool "guides" the seal past the sharp edge of the block.

Im hoping I don't have to raise the engine, but we'll see. Ive checked the sender and back of the engine, so im almost 100% sure its the seal. ill check it a couple more times with the light before pulling it apart. Yes, the ultraviolet kit come with dye you put in the oil. I am just looking for...

unfortunately it looks like I have a leaking rear main in the 70 Dart. I have a replacement Fel Pro seal to install. My Goal would be to change it in the car, without jacking up the motor, by pulling the steering linkage. Anyone have any tips, tricks, do's don'ts? I don't understand why it would...

I missed you already have the roller lifters, my bad, never mind on the nitriding

Did you have those cams nitride? Comp told me that will help with flat tappet cam life. I don't think the cost is much from them.