3500-4K Stutter Step...........

[jgmgti]

On acceleration at approx.3500-4K my tii(1972) will miss and the car will

stutter for 500 rpm or so.Past 4K all is strong to 6500.

Any ideas?

jgm

[jgerock]

That is an unusual condition. Have you checked your fuel pump flow (gpm) and pressure (psi) at the KF pump inlet? What about the pressure maintenance valve for partial clogging? How old is your distributor, coil & plug wires?

Maybe a rpm-limiting rotor (that is partially "stuck")???

[jgmgti]

Fresh Fuel pump,re-built K-Fisher,wires,rotor all new and good.

I'm thinking shit gas,maybe crack in rotor?

Thanks for any and all advise is appreciated.

jgm

jgm at starpower dot net

[jgerock]

Are you using Premium gas (from a high turnover station)? Maybe just a tank of bad gas.

Carbon tracing inside the distributor cap may also cause some freaky arcing.

Other long shots:

Spring under dist. cap missing

Bad rotor

Plate inside distributor slightly loose

Points bounce/flutter

Valve adjustment slightly off

Spark plug gap slightly off

Also, some cheapo ignition wires are known to be bad right out of the box. The screw-on ends won't have a tight fit to the wire.

[ray_]

I vote points and/or condenser, or ignition.

Cheers,

Ray

[jgmgti]

Thanks,I think I'll start w/dist.cap?and pertronix,loose perhaps?

jgm

*If anyone has any ideas they can call 202-251-0368 and we can discuss.

[jgerock]

I installed a Pertronix kit in my tii (old distributor), then pulled it out after I bought a new distributor. I may someday put it in my VW (009).

Maybe one of the thin (cheap) wires on the Pertronix unit is broken, causing the problem. Make sure the wires didn't get exposed when pulling them thru the distributor housing hole.

Are you still running the ballast resistor on the coil? What kind of coil do you have? Does your car have a starter relay next to the coil? Maybe this is bad.

[Otis]

the car will stutter

Try these folks - they should be able to help.

http://www.bvss.de/index.php?view=article%3B&catid=4&id=37&tmpl=component&print=1&page=&Itemid=328&option=com_content

Lots of good stuff in Der Kieselstein.

[leonine99]

Sounds electrical, make sure you are getting 12 volts at the coil....if not there is a resistor issue and you are not getting enough juice, hence the 'cut-out' at certain rpms. As said above, could be a ballast problem. What kind of coil do you have?

Jeff

[jgmgti]

the car will stutter

Try these folks - they should be able to help.

http://www.bvss.de/index.php?view=article%3B&catid=4&id=37&tmpl=component&print=1&page=&Itemid=328&option=com_content

Lots of good stuff in Der Kieselstein.

David,great idea,all the poor stuttering Germans,20 min. to decide a simple questionionionion.....you you Know-ww.

jgm

[jgmgti]

Jim,

I have a red coil and it seems ok the pertronix that is.Maybe if I stare a little longer the answer will come to me.Or a buddy will call........

Post-pone the isssue till Sunday I suppose.

*

Any body local like to toss in a hand that would be great.

jgm

[Otis]

On acceleration at approx.3500-4K my tii(1972) will miss and the car will stutter for 500 rpm or so.

How many times am I going to tell you -- when the RPMs go up, it's time to shift from first to second.

[jgmgti]

OTIS,

Thanks,she can be noisey on the 95.

By the way,is there a gear for reverse?

jgm

[jgerock]

jgm: I would have called but am busy wrenching on my tii before I forget what goes where. My wife keeps asking when the car is going to run again. Are you home this afternoon?

Now, back to your problem. Since you are using a "red" coil with the Pertronix, do you still have the stock ballast resistor installed? If so, does it get real hot shortly after you start the engine?

Otis: You get good attaboy points for your quirky responses. Ja,Ja,Ja,Ja.

[jgmgti]

I will be home today,so give a call if you have a few minutes or ??

Sock,resistor and red coil great till a week or so.

Otisimo-the real Otis is a swell guy,helpful and a champion we should all give him a big HOWDY DAVID and any large destructive construction

equip.he likes big f-ing messes.

jgm