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I'm running a power shot 125 on my 340 4 speed. I normaly shift at 6500. When using the nitrous do you shift at the same rpm's?

What does everybody use for thread sealer? I have used the tape sealer on the long bolt that goes through the bottom alternator bracket, water pump and timing housing. I've already done this twice and it's still leaking. I replaced the old rusty bolt with a new one and I can't get it to seal...

How often should you replace the PCV valve? Is it still good as long as it rattles when you shake it? Fred B

Which would you consider out of these 3 the best oil filter, Napa Gold, K&N or Royal Purple. Or are they all the same. Fred B

For the last couple weeks my car has been breaking up at high RPM's. I have checked the MSD ignition, the plug wires, changed the fuel pump and plugs and no change. It's almost like it's either electrical or fuel. This has me stumped. It ran perfect before. It's like it runs out of power or...

This will be the third freshening up. The bolts have about 57,000 miles on them. These were the high strength bolts from Ed Hamburger. Will these be OK to reuse or do I replace them. Thanx for any replies. Fred B

I'm rebuilding the 340 in my Dart. I'm using the same cam so no break in needed. Once the engine is started and run when should I change the oil? I always changed it after breaking in the cam but I'm not doing it this time. Thanks for any info. Fred B

Does any body use the Total Seal gapless rings? I was thinking of the gapless 2nd ring set S4960-30 5/64 ring set. I have the 243 KB pistons. I called them and they said I can use the gapless 2nd ring set with these pistons. Total Seal said the same thing as long as I gap the top ring per KB ...

I'm doing a rebuild. What do you use to get the carbon off the tops of the pistons? Thanks for any info. Fred B

What do you guys recommend for a chain? Time to rebuild and like to know what every one uses. Fred B

Can you run the Autolite AR3924 race spark plugs in a street car with no problems? Just wondering if they would foul easier then the regular plugs. I'm running the 3924 now. Thanks for any replies. Fred B

My buddy was behind me. He told me when I nailed it a puff of blue smoke came out of the exhaust. That was the only time it did. It doesn't smoke any other time. It usually has a puff of black smoke when I take off. This is the first time it's done this. My buddy usually follows me to shows and...

Sometimes when I go through the gears I hear a ticking. After a few minutes it goes away. It doesn't do it all the time. It has me stumped. The cam is a MoPar Performance and the lifters are Comp Cam. I have taken the valve covers off. Rocker arms all move the same. So it must not have rounded a...

Is thier any aftermarket dampers that have no pulley alignment issues? It seems thier thicker and put the pulley out farther. Fred B

I was looking at the dampner and noticed the rubber was cracking. This is the stock one. It hasn't slipped and TDC is where it should be. Should I replace it? Fred B

I have the MP 508 cam. I was told by MP and Mancini Racing that shifting at 6200 rpm would be where I should shift. Would that change by putting on the Eddy heads or would it stay the same? These replaced my X heads that were stock. Thanx Fred B

I put an average of 3000 miles a year. Should they be changed every year even though they still look good? Or keep running them? I'm running Autolite AR3924. Fred B

I am going to change the plugs. I noticed that the early 340's used RN9Y. Now they list the plug as RN12Y which is hotter. I have the Edelbrock heads so I was using RC12YC. I was going to go with the Autolites which would be 3924. Do I get those or do I get 3923's. I am running 10.2 compression...

When I start the car when it has been sitting a while it will smoke a little. It doesn't do it right away. It will run a few minutes then a little blue smoke for a few seconds then stop. It doesn't do this all the time. Only once an a while. It can go for a while without doing this. I did a...

Would it be worth it to go from my crane doctile iron rockers to roller rockers. The cam lift is 508. How much gain? 1.5 ratio. Thanks Fred B

I put the Edelbrock heads on my 340. Got everything together. Went to put the alternator on and it hits the head big time. Their is no way it will fit. The head sticks out too far. It is the square back alternator. What can I do. HELP!

I just bought a set for my 340. Do you use the same plugs as the cast iron heads or not?

What would make a clacking noise at a certain RPM? It starts above 1800rpms and stops at above 2800rpms. It idles quiet. It did this before. I changed the lifters and it wasn't noticeable. Now it started again. You rev it and it clatters till it goes to idle and it's quiet. Cruising down the...