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If you plan on changing rotating assemblies I offer really popular 408" and 416" Molnar Technologies balanced rotating assemblies using ICON & Mahle pistons. Cubic inch displacement can be changed around to support any bore size from 4.00" to 4.080". Your choice of compression ratio. [FOR...

Yes, it all bolts on just like it should. FYI: They are Powerport, not Powerpoint. Tom

I advocate to my 408"-416" customers to buy the TFS heads if money is not an issue. Tom

You only need two plugs, one for each bowl. The fuel level is going to be the same on one side as the other. Tom

There was a stroked 318 Poly in an EMC entry that made 580 HP. Spending massive money for 271 cfm isn't my cup of tea, but for some its interesting to have something different. Personally I am more interested in the 471 cfm and above stuff, but I can appreciate the dedication spent on all...

11/32 int/exh .10 75/63 .20 158/105 .30 218/130 .40 241/171 .50 250/192 .55 256/198 .60 260/201 .65 264/205 5/16 int/exh .10 79/67 .20 162/109 .30 222/134 .40 245/175 .50 254/196 .55 260/202 .60 264/205 .65 268/209 5/16 with valve work int/exh .10 72/67 .20 141/104 .30 211/133 .40 248/175 .50...

So I found a thread on, For B-Bodies Only where a guy did in fact offer CNC porting on 318 Poly heads. CNC Ported 318 Poly Heads Tom

Does anyone do CNC porting on 318 Poly heads? I have a friend in Ohio looking for someone that does them. Thanks in advance, Tom

This only holds true on a neutral balanced engine. You can't just stick an external balanced damper on where you like. Tom

A harmonic dampers job is to reduce harmonics. If it doesn't fit tight on the crankshaft it can't do it's job. When you buy an ATI aftermarket damper it tells you in directions how much press fit the damper needs be it a steel or aluminum hub. It also tells you to put the damper in hot/...

For my 2 cents, air speed is far more important than CFM. If you don't have air speed you have a lazy engine. CFM is important, but air speed is King! I am going to guess it would run far better with a 1.88" intake valve than it will with 2.02"s In your combination I wouldn't use a larger...

Thanks, Now that I know what to look for it's time to post a wanted ad for one of the earlier version intakes. Tom

Would you happen to have the part number for this intake? Thanks, Tom

Personally I wouldn't use it either, but if you have a bone stock 2-barrel 318 it would be an improvement in just weight reduction. Seriously I would pass on it. There are far better intakes to be had. Tom

Back the OP question. I've ran flat top pistons .025" out of the block on steel connecting rods with a .042" compressed head gasket. It can be done, but you must have everything measured out correctly and you also need to make sure you have proper piston to valve clearance. Tom

I wouldn't grind rockers on any engine. It's a geometry problem. You need to look up B3 Racing Engines B3 Racing Engines LLC - Mopar Rocker Arm Geometry Tech Shimming the shafts should correct your issues. Tom

On a 318 you can get all the head you need with some cleaned up iron heads. Regardless of the part number they are all basically the same with a little porting. Iron makes more power than aluminum because it keeps more heat, and heat is power. This is not to say you can't buy aluminum heads...

Maybe we could get a discussion started on spark plug gapping? LOL Tom

Permatex Ultra Black I buy it on Amazon, cheaper than anywhere else. Tom

The reason a roller cam requires more spring pressure than other types of cams is you have to keep the rollers on the lifters planted on the cam lobes. Selecting the correct valve springs and installed height is not a guessing game. If you don't know or understand what you're doing you need to...

It won't go without flow. That compression ratio loss won't have much if any power loss in that range, but lack of flow limits everything throughout the rpm range. Tom

Back to our regularly schedules discussion in which the OP started. The reason a big block wins over any small block, like I stated before is bore size. In a Normally Aspirated engine the bigger bore wins because you can run bigger valves. There is no boost to force air in and out of an NA...

Mildly ported Iron heads (No offset rockers or epoxy work), small valves, cast pistons, stock rods, steel crank, Isky rockers, 93 octane pump gas. It's really a very plain vanilla basic engine. Tom

If you lose 10 pounds on the car or yourself you'll equate to the same gain you'll get for spending $300 and then having to deal with correcting the valvetrain geometry. Just use the KISS Method and save your money for better improvements down the road. Tom

It weighs 2100# and it runs 136 mph in the 1/4 Tom

This car has a basically stock 440 with a small flat tappet cam, aluminum intake, absolutely nothing fancy, and it will run 9.90 in the 1/4. Tom

I didn't bother to read 5 pages of fighting and bickering about which is better or why, but I'll offer this. In a normally aspirated engine the one with the biggest bore has the highest potential horsepower output. Tom

Then they really aren't a true machinist. That's about as easy as it get's for a machining operation. Tom

I wouldn't be concerned about using a HV oil pump in your engine. A standard oil pump will be more than adequate for the application. Tom

I have sold several 408" (360) Stroker kits with King MB517XP Main Bearing & King CR805XPN Rod Bearings this year and I've had no issues in getting the bearings. Only issue I had this year with King is they no longer sells a reasonably price 340 main bearings. You now have to buy coated bearing...