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What reference material do you recommend to use for a person who never did this before? I’ve founds severL such as the one below but wondering if any one of you guys recommend one over another.

So I am finally able to inspect my torque converter to determine if it is weighted for an externally balanced set up or neutral balanced. Right off the bat I see a weight welded to the side. I initially didn’t see anything on the front face via the inspection sheild. Is this weight for...

Hey guys. I thought I heard that someone was running a “low first gear 904”. Can someone explain what that is? Was that a specific factory model type or a modified first gear?

Is the thump of a engine proportional to vacuum? ie the thumpier the sound the lower the vacuum? Does the thump and vacuum directly relate to valve timing in overlap? Also how does lobe separation affect valve timing and overlap?

Hey guys! I am having trouble removing my transmission coolant lines at the transmission. One is impossible to get to. The other as I remove the fitting I am twisting the line tight next to the fitting. It’s deforming. How can there lines be removed given the access issue and the fitting...

When pulling a motor from the top is there a preferred way to separate the motor from the K member at the mount? Meaning motor from the mount I believe two bolts or mount from K member I believe one bolt? Thanks, Ron

Guys I have silicone rubber plugs will that be ok to plug my fuel line in my bay for a few months? Not sure if that material will breakdown fast. Don’t want a floor full of fuel one day. If not what do you guys do/use? Thanks, Ron

On my 340 I removed the steering center link. All the pan bolts. Pan is loose but somehow connected near the rear main seal. I can’t see any bolts up in there nor can I find pan diagrams in the FSM. Are there two bolts in there or a lip it’s getting hung up on? Any tricks to disengage the...

Trying to understand options and discovered ATK’s 408 stroker short block. Looks to have decent internals Scat and such. Anyone have any experience With these?

Guys, would I get any decent quench or any at all running std 1970 318 pistons with a newer aluminum head? I know the 318’s are a lower compression and the plug sits below deck like 20 thou or so. Or is that a bad combination? The old heads I believe are open chamber?? and one question I have...

Guys why does this timing cover look so different from my 318 and 340? What is this?

How much better is it having aluminum heads over Iron J’s with respect to thermal performance. I know they will flow more but here in Phoenix we have shitty gas and very high temps.

This is my old 318 that I had sitting around. I’m curious about what I have here. The Pistons look to be aluminum and the crank I believe is forged. But you guys are a much better group to determine that then I am so here are some pics. Let me know what you think.

looks like the RN12YC is called out. I assume the next heat range down would be the RN9YC?

Guys do I have to remove the tail shaft in order to pound in the bushing? I know it’s got to be straight but wondering if it can be installed while mounted and me on my back under the car? Also does anyone know the correct size and type of driver I would need?

Happy Thanksgiving guys. Looking for advice on the proper way to align the two bolts of the crossmember to the tail housing of my 904. It’s about half a bolt width off so I can’t put the two bolts in. The engine mounts are in and engine is secured sitting on the trans mount already. Thank you...

Can someone here help me understand IF and HOW drilling carburetor throttle blades for an aggressive cam idle/T slot adjustment/optimization might also or not help in gear and out (park/neutral) idle balance on an automatic? Background : I have been having some issues of poor idle in gear and...

hey, does anybody know what the length and thread size and diameter of the two mounting bolts that hold the transmission to the mount? I believe these are the two I’m talking about. Many thanks.

These look like Edelbrock heads magnum block? Will LA headers fit these heads?

Says I believe 88. Here are some pics of the pan on my 340.

If you like engine tuning Merlin engines and WWII and can deal with dry British narration then you might enjoy this documentary. Good audio as the pictures not matching much. Enjoy!

After reading quite a bit on here and other forms, there seems to be something going on with the switches, requiring them to be manipulated with different washers in order to get them to work. I don’t know if that’s the rooster differences or what but it maybe variations of the switch? Has...

So, I am seriously thinking of replacing my 340 with a Turbo Encabulator for a performance boost. I am working out the details on how to miniaturize it now so it will fit in the bay. Let me know if you guys have any suggestions on what gearing I should go with. I have not estimated the...

What primary and secondary jet sizes are you guys running assuming non stroked 340 motors with a Holley 650dp. I am starting my tuning in earnest and I am currently running the stock 67 primaries and 73 secondaries. I believe I need to move up and am curious as to what you guys are running. I...

Symptom: At about 40mph I am getting a small vibration that’s almost like a low frequency drone but its a vib. It’s like a sine wave peaking every 1-1.5 second. It’s not real noticeable. It doesn’t seem to increase in frequency with speed BUT I am not 100% sure yet. Right now it seems like a...

I am dialing in my shift points and am interested in where you guys have yours. Currently my 1-2 @19mph and 2-3 @40mph @2700rpm? I also set it up 1-2 @20mph & 2-3 @49-50mph @3000 a little too high for street? It felt good though …. My engine is higher compression and a solid lifter and...

I just received my coolant overflow tank and was surprised to see it with a sealed air tight cap. I thought the overflow was unpressurized ambient? I should drill a hole in the cap as it’s a bottom fill right?

Have been dealing with lots of health issues but having a strong desire to do what I can to help keep my mind off that ****. Anyways… Just curious what I can learn from you guys regarding your inputs on my #2 plug. Not scientific did not run it on the highway and shut it down like I should...

Guys I can really use your input on this. I am trying to reconcile/understand how to properly orient the eccentric/offset Upper Control Arm bushings (Moog K7103) used to increase Caster. I threw this drawing together because I don’t want to reference the arrows on the bushings as I understand...