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The bigger the muffler the better it muffles. Get the largest one that fits in front of the rear axle and add a resonator behind.

There's more to it than advancing a cam to just get some more cranking compression. You'll also run the risk of making the cam work outside of it rpm-range even more, turning the engine into a turd even more.

Pull another plugwire or 2 and it will probably live... Excessive, worn/loose carrier-play won't help these puny axles either. And I've never read about anyone doing 'preventive maintenance' on a 7-1/4" axle.

Go EFI 2 Barrel 400HP – Classic Carburetor Gold – FiTech Fuel Injection

Never heard of this. How should I imagine this goes about...? Are all the racers getting a Slant6 engine tied to their rear bumper and they have to drag it along the track during the race or what...? :) :)

Chuck and I exchanged a number of emails the last couple of days. He let me have a go at trying to restore the older backup. Both we both seperatly seem to have managed to get it to work again, although he got in running again on the older forumsoftware, I got it running on the latest...

So 'BC' stands for Bot Central then... Never too old to learn! For me, years of hard work never did seem to get me rich, so I'll have a go at working slow for a change. People with money usually stroll around on golf courses all day so if that isn't a sign that working hard is NOT the way, I...

Sad to hear this. There's one rule one should remember when you depend on others to handle your website-data: You never have a backup of your stuff(website) if you don't have it yourself in your own possession! I host some 80 website-domains on my own VPS (virtual private server) and about...

Start saving up for a rearaxle replacement.

Not sure how the heatriser is positioned on a /6 but with you living in Florida, I would remove it all together. Late timing can put a lot of heat into the exhaust, which in turn could heat up the intake again as a result. Put timing at around 10-15 btdc and give it try.

It's possible the cam was installed just by simply lining up the dots. Very often that could mean the cam is installed/timed retarded. Specially if the timing gear isn't ground/marked right. A 'late' cam will shift the engine's powerband to a higher rpm, which could explain your findings...

You can try; - Richen up the mixture by turning the idle mixture screw out half a turn orso. - Increase idle speed of the engine. Any idea how much rpm it is running when it does? - Hook up a vacuum gauge and report back the number you're seeing on the gauge. After 20 years, one or more piston...

Yes, the mixture screw.

I have noticed the same improvements after changing the worn chain and gears on my 318. Timingchains are a wear item and idealy should be replaced after so many miles. In addition to the above text, I would like to add; - Reset your ignition timing! Only after I re-set the timing I felt the...

I would rather say; "Factory distributors are set to a safe compromise of engine durability, performance, economy, to be used in a wide range of temperature and outside airpressure differences (think sea-level and mountain areas)." So there's more power to be had if one is willing to...

Do you really want a $3000+ ignition system?

Going to Megasquirt seems a bit overkill to just cure some pre-ignition. In the end, the engine will run better, but if you can't fix the detonation with the simple stock ignition system, you won't be able to cure it with the much more complex system of a Megasquirt. That said, you could look...

When I put 5w30 synth oil in my bonestock 318, in favor of 10w30 oil... The engine ran 15f cooler after it. Can you imagine how much friction has been freed up in an engine for it to run 15 degrees cooler?

I used to think the same way, until the quarter dropped; Pumping air into burning (remaining) fuel heats up it's temperature causing it to burn more unburned fuelparticles. THAT is what cleans up the exhaust fumes. Same as reheating the BBQ coals by blowing fresh air into them.

Late timing = Hotter exhaust, so more remaining unburned fuel gets burned in the exhaust. Especially if air is pumped into the exhaust to keep the flame burning longer. Retarded timing and dropping compression ratios were IMO simply knee-jerk reactions to pending legislation because the...