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Solid lifter pushrods tend to be about .25" - .30" longer than hydraulic applications because the lifter "cup" is lower in the lifter body. Kind of like a bottomed-out hydraulic lifter. i.e.: 273 small block solid adjustables = 7.500" ball/cup vs 340 Six Pak hydraulic adjustables =(approx.)...

383, 413, 426, 440 RB crank? High or low compression pistons? 440-6 crank - bigger rods? Gotta check the crank balance to the rods/pistons you want to put on it. Engine will be apart.

What about balance, especially if the forged crank came out of an unknown engine?

'70-'76 Duster, Demon, Dart Sport - '73 is one year only. Earlier is different and later is different. It's my understanding that the mounting hole configuration is different. I don't know if the mechanism can be interchanged between doors if the respective glass goes with it. What year/side do...

Conversion mounts, BB specific 727 trans and basically upgrade everything else to deal with the extra weight & power - radiator (hose locations are different too.), brakes, torsion bars, leaf springs, driveshaft, rear end, etc. Headers can be a pain. Others with hands-on experience can offer...

Radiator - you can always look into aftermarket aluminum radiators, like Champion or one of several other brands.

I don't know enough about manual transmissions to know if it would involve just a simple bellhousing swap. Auto trans - yes, SB 904 or 727 to BB 727. The radiator hose connections are on opposite sides between small & big block and cooling capacity for the bigger engine might be an issue.

Here are some nice exhaust manifolds at the low end of the cost estimate from a member here. [FOR SALE] - Mopar Factory A body Big Block exhaust manifolds I PMed him a link to your thread. Don't forget you'll need to change the trans and radiator also. Perhaps upgrading the brakes and the...

Do they check cubic inches.....bore & stroke? Porting/polishing? Aftermarket cam allowed to have adjustable rockers and be solid or roller?

I hope you mean a bigger (5/16" braided) flexible lines because "brake line" sized lines/hoses would be too small.

I'm a small block guy, but I would think that the newer RPM would provide the best all-around performance for your application. You want to lean towards torque and HP in the operating range, as you described, not "peak' numbers. But here are some good articles that can help educate you on intake...

* Are those metal pieces or hardened oil crud? * I wouldn't trust the pick-up because there may still be pieces wedged in the screen that may eventually work their way out and through. * I would confirm that the oil pump shaft isn't broken somewhere, stripped hex or pump cracked where the...

Turn the engine over by hand at the crank and see if the distributor is turning. If not, the shaft between the distributor and oil pump broke. *** Didn't think that through! Distributor can turn, but the shaft to the pump may be broke.*** It can be a little messy, but I always like to put...

Why cloud the "discussion" with info that is literally OBSOLETE? At least you admitted that it's old. But how can anyone make an objective decision with misinformation that's not even close to being relevant anymore? Requirements/specs and formulas change almost year. In 2007, I believe, there...

Break-in with good, conventional high zinc oil plus additive. But there are some break-in specific oils available as well. I'm another Amsoil fan and they have a wide variety to choose from. Gotta do research on zinc content because fewer oils have it due to modern engine requirements...

X2 The chassis WILL twist, especially on a stock chassied car.

If you are up on power in the midrange to a manifold that has a slighter higher "peak" HP reading, you will likely accelerate faster. Keep the "operating range" in mind and how long the engine stays in it.

lol One other tidbit to consider when jetting if you go to a dual plane and use one bung per side in the collector. At least I noticed a difference when I was racing with a dual plane on my small block (but no O2 sensors). Consider jetting the lower plane side of the intake at least 2 #'s more...

A single plane will work. But a dual plane will work better. Consider the rpm range that the engine will operate in most of the time. It should be easier to tune the carb well.

I'm not into big blocks, but could the short deck/tall deck difference be a factor, and/or exhaust port height between the current Edelbrocks and the previous heads?

Typically, a swap into any passenger car requires a passenger car oil pan. They are "kinda" center sump, but actually a little forward of center. Trucks & vans normally use rear sump pans. 273, 318 and 340's use the same pan while 360 LA engines have their own, which has a smaller and...

Welded frame connectors are your friend in any performance application, even small blocks. Welded into the floor is even better. Tied into a roll bar/cage is best, if you go that far. As for parts other than k-member/Schumacher adapter mounts - trans (bellhousing bolt pattern is different)...

Many people have spoken highly about Milodon's small block Road Race pans. They also have a big block version. Only 5.5" deep, yet well baffled and holds 7 quarts. But I don't know if anyone here has used it or how header fitment is. http://www.summitracing.com/parts/mil-31580/overview/make/dodge

When I do my race engines, I run them through several cycles - up to a certain temp, cool it off, then do it again. I start out at lower temps for the first couple of cycles to make sure my file-fitted rings don't get too hot and butt before broke-in all the way. (I try to be extra cautious.)...

I've been leaning towards a Mallory 250. It's way more than I need, but would like more than their 140. The 250 has the option of a bypass/return line directly from the pump as opposed to running a line all the way back from a bypass/return regulator. Helps efficiency, life and keeps fuel temps...

Romac is based in Australia. I don't know who makes the Pioneer SFI balancers, but they are manufactured in Australia as well! Could it be Romac, or is there another balancer manufacturer down there?

I've been using the Pioneer internally balanced small block version SFI balancer/dampers on my 360's for many years and everything works & looks fine. Summit and other places carry their line, including this internally balanced SFI balancer/damper for a big block...

There is no reason not to consider synthetics because they do have several advantages over conventional oils. I'm biased towards Amsoil, but I wouldn't use it if I didn't experience good results from it. They do have a wide variety of high zinc oils for flat tappet cams so you don't have to...

He's looking to swap a 400 block in place of the 360. I made the same mistake until I realized this was in the "Big block A-body tech section"! Schumacher has conversion mounts but I'm not sure if the solid Moroso mounts can be used with them.

You are scraping with the 7 QT pan which is part # 30936 (340) or #30941 (360) and 7 3/4" deep? Their 8 qt. is 8 3/4" deep. Unfortunately, the only other similar Milodon pan that they have is the OEM replacement pan at 7 1/2" deep. But it does have baffles. Oops, sorry - big block...