Carburetor and Timing help

[yogaslackers]

Im in key West till the 11th. Atlanta on the 12th. Chattanooga the next weekend. Then atlanta again till the 25th. Them big drive to las vegas there till april 3rd. Then san Diego.

[georgeb]

Why was the emissions stuff removed? It might be essential to the feedback system.

[Movin]

This has a few people, the spreadsheet has more.

http://batchgeo.com/map/FITv2

[yogaslackers]

what is timing for a mazda 323 B6. right now I have it set to TDC. I found a link saying this BTDC: 2 degrees +/- 1 degree. I have a gen1 head on a gen 2 block.

ALSO my top speed in 5th on flat ground is 70mph... is this normal?

thanks

[TominMO]

what is timing for a mazda 323 B6. right now I have it set to TDC. I found a link saying this BTDC: 2 degrees +/- 1 degree. I have a gen1 head on a gen 2 block.

ALSO my top speed in 5th on flat ground is 70mph... is this normal?

thanks

Sounds like your disty timing is way off (very retarded) if you can only manage 70 MPH w/a B6! My B3 could cruise at 90 with the car loaded. Try 7-10 degrees BTDC. The 2 degrees spec don't sound right.

[georgeb]

what is timing for a mazda 323 B6. right now I have it set to TDC. I found a link saying this BTDC: 2 degrees +/- 1 degree. I have a gen1 head on a gen 2 block.

ALSO my top speed in 5th on flat ground is 70mph... is this normal?

thanks

Is this a different car?

[Movin]

Timing must be off, my stock b3 will hold 85 mph with the trailer on behind, at 4500 ft
cold air across the desert..loaded with a honda rincon, 10x20 tent, 10 gallons each water , fuel and propane, BBQ, 4ft tub of camp gear, 4 ft full ice chest, 2 ft ice chest, back pack

This was the mexican desert with a cumins diesel, camper and trailer attempting
to take the festy..I got dibs on the camp site!

From all you have said, you are not getting 42 - 44 all in advance for what ever reason.
You have to have those numbers to make power and economy at freeway speed.

Most specs are given with base timing and that is okay as long as you get the top end
too. Maybe you have one of the advances stuck?

You might have to plan a little side trip to meet up with one of us that has the shop, tools, experience and know how for these kind of projects.

[yogaslackers]

No Same car Georgeb.

I am pretty sure timing is off. how do I know where to set it

Carb seems to be running rich too.

I cant get more than 75mph out of it "Movin"

Movin are you able to look at my car around May 5th?

IM SO READY TO SCRAP THE WHOLE ENGINE AND START fresh... over $3000 invested and I have taken it in and out 4 times now!!! Still getting 20-25mpg 75mph top speed!

help

check out this link too http://en.wikipedia.org/wiki/Jalopy

[georgeb]

Is your upper belt cover removed? If not, you need to remove it until you get these issues resolved. You have to remove the water pump pulley to do it. If you cut out the part of the cover that wraps around the tensioner you can get it off easier every time. Line up the marks on the cam at 12 and 3 o'clock. Look down at the bottom pulley about 1 o'clock. There should be a small notch (you might have to feel for it). It should be lined up with the 0 mark on the scale attached to the cover. If you can't find the notch on the pulley or there's no scale, there's supposed to be a mark on the lower cog that matches a mark on the case. On a carbed model, that is your cam and ignition timing mark (since they are timed to 0). You don't need to drive a thousand miles for someone to check this for you.

[TominMO]

Good point. His cam timing could be off; instead of, or as well as, his ignition timing. Especially if it's running rich and is underpowered, that may imply cam timing is a tooth or two retarded, and not a carb issue per se. But I still say the ingition timing should be 7 degrees or more.

[yogaslackers]

Cam timing is set correctly, has been checked twice.

anyone ot there have a gen1 head on a gen2 block?

thanks

[TominMO]

Cam timing is set correctly, has been checked twice.

anyone ot there have a gen1 head on a gen2 block?

thanks

Well OK, then I'll still stand by the ignition being too retarded/mentally challenged.

[yogaslackers]

I have adj it 5deg every 200 miles with little to no improvement in power or mpg. im at about 10 deg BTDC.

[TominMO]

Read thru the entire thread. I know it's a low-miles Jap motor. But has the cylinder compression ever been checked?

Fuel: apparently not an issue here; but is fuel filter clean? Or maybe the rebuilt carb is not set up right.
Air: never really a problem unless your air filter is clogged
Spark: coil, disty, plug wires, plugs; check each plug for a cylinder-specific issue
Timing (cam): you claim it's been checked twice, so probably not an issue
Timing (ignition): without timing marks, how do you know it's at 10 BTDC?

[Festiva GTX]

Read thru the entire thread. I know it's a low-miles Jap motor. But has the cylinder compression ever been checked?

Fuel: apparently not an issue here; but is fuel filter clean? Or maybe the rebuilt carb is not set up right.
Air: never really a problem unless your air filter is clogged
Spark: coil, disty, plug wires, plugs; check each plug for a cylinder-specific issue
Timing (cam): you claim it's been checked twice, so probably not an issue
Timing (ignition): without timing marks, how do you know it's at 10 BTDC?

I believe he have unusual 2000 -/+ yr B6 block imported from somewhere outside of USA with B6 1988-1989 head cylinder. The original head cylinder with JDM engine was different bolt pattern with exhaust and intake manifold so it possible not same crankshaft either. Also he used to have new Escort 1.6L carburettor out of NOS box but getting same mpg approx and poor running with idle.