fuxl

Hi guys, I'm having some issues with the newly rebuild 324 & Jetaway in my '56 Olds.
The old setup was a stock 2bbl Rochester Powerjet and now I'm using a 2x2 setup with 2G Rochesters.
Here is what i looks like:
IMG_1180_zpslcpxy5cc.jpg

So when I come to an abrupt stop, the car stalls out on me. If I ease it, it'll shift down and I can keep it running.

The old carb was equipped with a dash pot, and I'm wondering if that's the problem, since I don't have one on the new setup...
I kinda ruled the transmission out, because it's also doing it when I shift into neutral before hitting the break hard.

Any thoughts?

Thanks, Martin

oldcutlass

This can be caused by carbs being out of adjustment, timing not advanced enough, to low of idle, and if not you can install the old dash pot on your current setup.

N43

The linkage between the tranny and the new carb setup may be different than the old setup causing the tranny to incorrectly sense the throttle position. Study a good repair manual and measure the current rod length before you change anything. Been there, done that.

fuxl

Good leads guys, thanks!
I got a carb syncronizer and realized they were way off. Got them as close as I could, and not the doesn't stall out any more!
Think I still need to mess with the kick down linkage, because I'd like it to shift a little sooner...

olds 307 and 403

Looks awesome! All the cool manifolds and carbs make running the original Rocket so worth it. We only have the crappy Offy dual quads for cool manifolds for second gen SBO.

PowerToTheMaxx

Thats a sweet looking engine!!! Wish mine was that clean.

fuxl

Thanks guys, here is another look at the car:
IMG_1111_zpswc78wsn2.jpg

IMG_5787_zpsmbvmvved.jpg