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Ok. I would've expected a more parabolic HP-curve, instead of the almost 90° angle between 4500-5000.

Stock intake & exhaust getting restrictive?

Interesting stuff. My own 360 has 11.3:1cr. '302' closed chambered 318 heads. Airgap intake Comp XE256 cam Dougs Headers I have Speedmaster heads on the shelve, and a Comp XR268 coming my way in a few months. I wonder what my mill will make of that when the time comes.

My guess is as good as yours! The beans need spilling! :D

I work in a sign-shop that does all kinds of decalling, also car lettering. $150 for 3ft sounds very high though, but maybe the shop needed to buy more material than really needed. The material itself usually comes on 53" wide rolls.

Looks nice. It's about the only alternative to the almost unaffordable chroming and chromepaint these days. Years ago I 'rechromed' the taillight-units with chrome tape. No-one ever noticed it until I pointed it out.

A regular smartphone works fine too with the right app installed. Alltough it's probably a bit trickier to mount a phone to the wheel than this magnetic gauge. EDIT: I noticed you need to get the version WITH the adapter for an additional $35,-.

Just wached upto the first run under the car. I see you clamped the front section already. Maybe adding a front half-leaf section, or just a complete leaf per side would help a lot, or just step-up to CalTracs. Also think the right side of the axle seems a tad bit looser then the other side...

You'll want to lean out the primaries and probably fatten up the secondaries to compensate again for WOT. This will fix the overly rich condition at cruise.

A little more background information on engine balancing; Crankshaft Balance Factors

What kind of wiperblades were those? They look heavy duty.

Looking at how crooked that Challenger launches on the Performance Book cover, a Mopar Chassis Book was the next logical step... :)

My daily '73 Dart has; - 1" torsion bars from Just Suspension - Hellwig frontswaybar - Hotchkis adjustable shocks upfront - QA1 adjustable shocks at the rear - Added blades in the leafspring packs. 7 leafs per side. - 17" wheels w/225 tires on all corners. - Upgraded power steering w/ 2 point...

Are you sure?

Look ma, no hands! But, to remain on topic; I always brake with left-foot and operate throttle with right. Auto.

I'm left handed but use my right hand when it's more efficient to do so. - I write left-handed. - I throw left-handed. - I operate a computer mouse with right hand. - I navigate mobile phone with left hand mostly. - I use scissors with left hand. - Use house/car keys with right hand. - If we...

I always start with the last one...

Here's an older mockup of mine of an '80s aftermarket Mercedes spoiler. With some trimming of the sides the spoiler can be mounted 2" higher against the valance and around the corner on the fenders. I've only recently cut the sides so it fits a bit better, but haven't given it my full...

I always had the impression drifting was invented by kids who did't have enough horsepower or skills to win at drag- and circuitracing? :toothy7:

Looks like a 'show-off' toy gimmick to gain some shorttime evaporable coolness-status during an all-out friday night benchrace-session with your beerbuddies.

I would do the gears. Especially when finding the right slicks are an issue. Also, less rubber to fling around and haul down the track should be worth some ET.

It's about resistance, not traveled distance. It takes time to send electrons through a wire and build enough current to jump a spark at the plug. It takes (a fraction) more time to build more current to push electrons through a wire with resistance. Longer wires have more resistance. So the...

Many years ago I put a Mopar gold ECU in my '71 Dart. It lasted exactly one run. I barely made it back to the pits. Mounted it in the coolest place possible with proper grounding, but it still crapped out. Just a small 'Maybe' it failed because of wrong ballast or coil (MSD blaster 2). Can't...

- Always run the highest psi in the rear tires which still provide grip. - One or two revolutions of tire slip from the start can even help improve times when you don't have much torque @ low rpms in the engine. - With how much rpm do you cross the line? - Did you time and curve the ignition...

- Low voltage (<12v) will cause less spark-energy which can cause slower ET. - Evenso, are you running the coil with or without a ballast resistor? Without one will let the coil make more spark-energy, but it will heat up a bit more aswell. Mount it in a cool place. - That plastic fan is pretty...

Swifter, I see there's a misunderstanding here so I won't feel attacked, but I was replying to Trailbeast last post 'cause he mentioned 12 to 1 with average use. Not WOT. THAT is way to rich. During WOT 12's are ok I guess.

12.5 on Average? How often per week do you clear the coal lumps of the sparkplugs with those kinda AFR's?

Not sure about the effect of octane on AFR-values. For a stripcar I would tune and Trial&Error for best MPH and use the recorded AFR measurements to be able to repeat that tune for different tracks and weatherconditions.

"Powersupply units"... a better word would have been 'Generators', so the racers don't have to bring there own little noisy generators which keep everyone awake all night :)

We have similar stuff going on here in the Netherlands. No permanent strip, only 3 events a year. The events are called Drachten Dragracing by the Explosion Dragrace club. At every event everything has to be built up on thursday and be gone again on sunday night/monday morning. We have...