New torque converter solved the problem

[Paul G]

I was having two issues, bad vibration over 3,000 RPM and a bad bog when going full throttle off idle. Both issues are solved! I had a TCI Street Fighter 10" converter put in the car. Vibs are gone completely and no bog at all. I need to go back over the carb now and readjust the accell pump circuit. I had to bend back the arm on the accelerator pump lever so it would just squirt a very short shot. That helped out the bogging a lot. I need to put the arm back to normal and see how it does.

After all the carb issues, or what seemed like carb trouble after a rebuild, along with chasing the down that nasty vibration over 3000 rpm three ways from Sunday, it was the torque converter all along. The converter that came out was a 12" stock looking converter. The kick my azz part of it is that the carb started to leak/over flow. Bad seats, no biggy. Put a kit in it and that started the bog issue, which developed in to the bad vibration. I guess the converter decided to die along with the carb. Had me chasing ghosts!   

So today, the first time I nailed it from a stop, (on a back road of course) the tires spun wildly through first and second gears, didn't grip till third.  I am a happy camper  The car does drive differently now. Driving normally, the revs go up to 2000 pretty quick before the car starts to pull away from a stop. It idles around 800. At cruise speeds, say around 35 or 40, I can see an 800 to 1000 rpm band where the engine has to rev before the car pulls ahead. I dont mind it at all. The power gain, or response, is awesome! 

[greenpigs]

One of the things I have learned here is that the torque converter is an important piece of the overall package for performance, even more than I had thought initially.

Now you need to hook that "new" power up.

[BBKNARF]

 

[firefighter3931]

Good to hear Paul. The old converter was too tight for the cam you're currently running so the engine was not happy. It's so important to properly match all the components. 

Congrats on your newfound power. It was allways there but now you've unleashed it 



Ron

[Paul G]

The TCI converter I went with is a nuetral balanced converter. I got a balanced B&M flex plate from Summit to use with it. So far no problems.

[1Bad70Charger]

Congrats, I am very happy for you to hear this!    A Good high performance torque converter makes all the difference in the world when it comes to making your high performance auto tranny hot rod feel like it received a 75 shot of N20 getting out of the hole! 

Can't wait until next spring, as my 60 Road Runner is getting a COMPLETE new performance face lift this winter, with new Dynamic 9.5 converter, transgo shift kit, new Eddy 84cc Alum Heads, and Engle fast ramp K series cam K58/60. Will be a COMPLETELY different animal next season as my I will be going from a street cruiser to a street bruiser, like your Charger now sounds like it is.  

[Manifold]

I too run the Streetfighter, but it's behind a mild 383. Either I've learned to better manage the loose-ness of the converter, or it has broken in (do they even do that? ), as the revs don't spike as much when taking off. If I keep my foot out of it, it cruises around town just fine. I was initially worried that it would be too much converter for the street (I hit the strip when I can for test-n-tune nights) but it has worked out fine.

Glad to hear the problem is worked out!