I'am removing my Holley 750 for a reman Q-jet(purchased from National Carb) 7041540,it will be installed on a performer,BBB. I'am unsure what to do with the choke,what will i need,I'am not familiar with this choke set up. I'am posting some pics of the carb.
That's a divorced choke. You pretty much have two choices: Find a divorced choke coil, and find or make a linkage rod. Buy an electric choke conversion for the divorced choke carb. (toward the bottom of this page http://www.carburetion.com/quadrajet.asp http://www.chevelles.com/techref/Adjusting_Automatic_Chokes.htm
Im not familiar with that type of choke setup. Probably for a stock intake with a heatcoil spring inside the intake, will need to pick up one of them universal manual choke kits. Can find them in the help section of auto parts store or hit ebay.
Yep, will just be a bit rough till warm. I had no choke for years, no big deal. May need to wire it though so it can't shut.
Will you be using full manfiold vacuum or ported? trans mod line on mine goes to a port on the intake but its a SBB with TA intake.
Oh man I am already treading in waters I am not familiar with but Ill do my best to help ya out. I run full manifold vacuum. Is it better, some say yes, some no. this may help ya ID some of the ports, just note it has extra ones as its for a newer emmsion type.
Ill search around, I had some post a yr or so back about which is ported or full, I do belive the one lowest down are full manifold. Like in the above pic I posted, I should be using #1 by the book which is up high, but thats ported vacuum, I instead use #3 down low which is full manifold.
If you look at a b4b or performer manifold you will see a pad with 2 holes near the right side of carb, is this where a choke coil mounts to?
I gotta go for a bit, searching to find you some info got me back into some crap that is just messin up my good mood. Can't think straight right now. Ill check back in a bit.
Well if its anything like the choke coil on a SBB that pad would be a hole, that the choke coil went down into, and screwed on. I got pics somewhere.
check this image it shows the area where maybe, a choke coil mountso No: http://store.summitracing.com/large...uick+B-4B+Intake+Manifolds&img=edl-2515_w.jpg
Im in over my head a bit here, not everything is as familiar to me, never had a 455 Buick, had Olds and never had a carb like that. Always been the EPA changes ones. [help if I pay attention to what your saying and not watching the race SO many good wrecks.] OK found a 455 intake pic and yep it looks to be top mounted. The carb choke coil sits on top, [on the SBB 350 its goes down inside.]
No real luck on the carb but comapring what I got. That small one on the right side in the middle body section is where the vaccum line for the Dizzy would go. [ported vacuum] On mine the intake had a spot drilled into a runner for a scew in nipple that the trans mod went too. If you look that 455 intake posted above has it too. The small one out of the back of the bottom base of the carb is my heater controls hook up.
Ok the bigger nipple on the very bottom base that is not capped, that is where the PVC hose hooks up. All the rest are capped on mine.
from what it was taught the following ported is for smog control stuff, i always use manifold vacuum. that will be the lowest nipple to plug the dizzy in. the higher one is the ported one plug' it. jim
Found this a Summit. No BBB application,but states will work for Performer intakes. Looks like it will mount to intake. http://store.summitracing.com/egnsearch.asp?N=400065+309820+115&autoview=sku
