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I think that there are only a few combinations that make sense: Stock/performance rebuild. It should make good power and last if the rev's are held below 6,500 and the oil system is done right. Cheap stroker. Use a Mexican block or early 302 with good main caps and probably a girdle with a...

[ QUOTE ] It appears that we need to use <u>every</u> quality HiPo after market product in building a reliable go hard motor that just looks like a ford To use OEM ---bit like flogging a dead horse! imho [/ QUOTE ] It all depends on what you are after. I play hard with my toys...

Let's look at the A4. They are no longer made, so you have to find a used block, of find one that has been sitting. Then, it's not as strong as a Dart. If you find one cheap, it's a good part, but I would not bother looking too hard when you can get the Dart brand new. The R302 is a good...

A siamese block has cylinders that are joined at the sides. A non siamesed block has a water jacket surrounding 360 degrees of the bore. The siamesed block can be bored out larger because of the extra cylinder thickness. The cooling issues of siamesed blocks seem to be caused mostly by air...

That sounds like your altrenator wiring might be too small. If it it, it will become a resistor and make a voltage divider, giving you a stable voltage when hot because the regulator regulates the voltage at the end of the wire.

While the explorer timing chain cover does have a better shape than the earlier models, the pump still has a crummy stamped impeller. I don't think it will flow much more than any other water pump. On the Mustang (same pump) lots of people use "underdrive" pulleys which might just be less...

Come on, Titanium is heavier than Aluminum, but Berrilium...

You should not need a heat treat if it's turned from 7075 plate. 7075 is very expensive, so unless you can borrow a piece, I would probably choose steel, but it would increase your machining time and weigh more. Look in to hard anodizing. It works great on some aluminum alloys, but I don't...

For that engine, you probably want a pretty big cam. If the short block is a stock style rebuild, I think a good limit would be 6,500 rpm. Plenty of 351's regularly see that RPM range, so it's probably safe if all of the machine work is good. The block is strong, the crank has large rod and...

skip it. That guy knows nothing about ford engines, otherwise he would know that a 351 is a lot wider than a 302 and the intake will not fit. If you want a performer, get a performer, or else look at: http://www.professional-products.com/sbfordv8.htm The cross wind is a Performer RPM rip...

I think the best way to spend your money is to look at your weakest link and build accordingly. If you use a late model 5.0 block, get the stock rotating assembly rebuilt with new pistons, good rod bolts and a ballence job (external probably). Get a good standard volume oil pump and drive...

Static compression ratio isn't the right target. A dynamic compression ratio of about 8.2-1 is considered safe for premium pump gas. The dynamic compression ratio is calculated with the rod length, stroke and intake valve closing, so an engine with 12-1 compression could be under 8.2-1 if the...

Roller bearings need less oil than a plain bearing.

Where did that come from? If you have adequate oil pressure and your valve springs are not too crazy, you should be fine with an all roller engine unless you put in oil restrictors that are too small. Windage trays and crank scrapers have nothing to do with engine life unless they come loose...

The 2005-6 information is interesting. I remember a while ago that Ford thought it might only last a couple years because they don't want to redesign it if it does not pass an upcoming crash test. They indicated that they would continue to sell it if it passed the test. They also said they...

http://www.dccontrol.com/index.htm That company makes an interesting variable speed fan control. Instead of cycling the fan on and off, I believe it uses a switch mode power supply to vary the speed. This eliminates the current spike from the fan turning on and will keep the temp more...

This is a little off topic, but I plan on doing pre lube a bit differently. There are several compact electric pumps that can handle oil as well as the 300+ degree temps that an overheating engine might see. With an extra pickup welded to the pan and a check valve, it should do a good job and...

In Stock cars, they work at 8,000+ rpm with huge roller cams, so they are strong, but they also get replaced regularly. I think if you tone down the cam and springs and keep the RPM's sensible, they would probably last on the street. The roller bearings and push rod adjuster cups are the part...

3 piece wheels are mostly for weight and strength, but they also are somewhat modular, so one center could be built with many different offsets just by changing the rim halves. Also, it's cheaper to get spun rim halves made than to do a silly thing like machining an entire wheel from a massive...

If you are a junkyard scavenger, the Mexican block would be a good choice. They have thicker main webs and main bearing caps. In their lifter valley they will say "hecho en mexico". If you can find a used block that has not been bored out, you will have a pretty strong block. I have seen a...