which carb is better?
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quadrajets are junk. complete pieces of crap. mopar always used carter style carbs on cars and never had "real" issues. fords commonly used holley carbs single barrels to 4 barrels and honestly im a chevy guy but that is actually something ford and mopar did right... not choosing to use a rochester, quadrajet etc. GM had consistent issues and problems with the qjets... they were and still are the messiest carbs... they earned the nick name quadraslob for a reason. next to a carter you cannot tell me a quadrajet is more fuel efficient. you cant tell me next to a holley a quadrajet has better response to throttle snaps or making better hp. qjets suck all around. its just more convenient to leave the damn thing on the motor if its already on, if the driver has no intention to use the car for anything more than daily driving.
my family has been been working in the automtive industry and racing for years and years and ive been going down that path myself, and ive learned by word of mouth and first hand... on a cruiser / daily driver ( where you look for long term tuning and good fuel economy ) use a carter style edelbrock. on a racer ( where you look for throttle response and tuning ease ) use a holley or newer carb made and meant for racing. ( demons and what not )
foxtrot_lima_bravo: its not being religious by any means. its actually science. trial and era, velocity, ratio, etc. so many variables that make a carbs "performance" differ from anothers. im assuming you havent done many comparisons? honestly, you should its very interesting. btw, for your dilemma- yes i have had that problem many times whether the float being stuck open or a air valve sticking due to the plastic cams between the shafts and valve inlet breaking.. ( as i said above- one of many a common issue with the qjet ) an easy fix would be removing the throttle bracket, disconnect any and all hoses, zip out the 4 bolts to the manifold and throw the thing in the garbage. if you decide to keep the carb though... the fuel filter inside the inlet housing is merely a thin sheet of paper. its easy for it to clog up with debris ( especially if you get some bad gas or let your gas sit in the tank for a while.) this will long term or short prevent the float bowl from filling quickly. a result could very well be sticking. have you replaced that filter ? it may be time. hope this helps.
tumtum: what motor did your uncle run the carb on ?
bigdan: ill assume safely at least 1/4 of the hot rods, street rods, daily driven sbc's and mild muscle cars combined, in the united states have an edelbrock performer series carb... which is a carter. ill safely assume that 1/16th of the above groups mentioned use an edelbrock thunder series carb. which is also a carter design. just curious what you think makes that carb out of date?
my .02
my family has been been working in the automtive industry and racing for years and years and ive been going down that path myself, and ive learned by word of mouth and first hand... on a cruiser / daily driver ( where you look for long term tuning and good fuel economy ) use a carter style edelbrock. on a racer ( where you look for throttle response and tuning ease ) use a holley or newer carb made and meant for racing. ( demons and what not )
foxtrot_lima_bravo: its not being religious by any means. its actually science. trial and era, velocity, ratio, etc. so many variables that make a carbs "performance" differ from anothers. im assuming you havent done many comparisons? honestly, you should its very interesting. btw, for your dilemma- yes i have had that problem many times whether the float being stuck open or a air valve sticking due to the plastic cams between the shafts and valve inlet breaking.. ( as i said above- one of many a common issue with the qjet ) an easy fix would be removing the throttle bracket, disconnect any and all hoses, zip out the 4 bolts to the manifold and throw the thing in the garbage. if you decide to keep the carb though... the fuel filter inside the inlet housing is merely a thin sheet of paper. its easy for it to clog up with debris ( especially if you get some bad gas or let your gas sit in the tank for a while.) this will long term or short prevent the float bowl from filling quickly. a result could very well be sticking. have you replaced that filter ? it may be time. hope this helps.
tumtum: what motor did your uncle run the carb on ?
bigdan: ill assume safely at least 1/4 of the hot rods, street rods, daily driven sbc's and mild muscle cars combined, in the united states have an edelbrock performer series carb... which is a carter. ill safely assume that 1/16th of the above groups mentioned use an edelbrock thunder series carb. which is also a carter design. just curious what you think makes that carb out of date?
my .02
Nails anyone that saysthat a quadrajet is junk is an ignorant...period
incredible how people who either never worked on something or flunked attrying to can say things
I have drag race in B/S at 11.57 ( good ol days ) with a quadrajetrecord holder for 5 years in that class .....with a quadrajet
IVe competed in off road races mud drags with a ford bronco 351 windsor with a quadrajet , i did heavy off camber off road with a quadrjet
like previously said they are way harder to tune but when you KNOW them they ra e great at performane /economy
incredible how people who either never worked on something or flunked attrying to can say things
I have drag race in B/S at 11.57 ( good ol days ) with a quadrajetrecord holder for 5 years in that class .....with a quadrajet
IVe competed in off road races mud drags with a ford bronco 351 windsor with a quadrajet , i did heavy off camber off road with a quadrjet
like previously said they are way harder to tune but when you KNOW them they ra e great at performane /economy
^^^^^.....quads are great carbs but it's junk according to some if they can't figure it out....I got mine built by a guy who built carbs for nascar a few years back and knows just about every little trick ....I luv it....
pontiacgp: i agree ANY carb can be a descent piece IF money and time is put into it.
bigdan: are you meaning to tell me that you run a STOCK qjet on all of your cars and trucks you described above with just some tuning? if this is the case, i have nothing left to really constructively argue or discuss b/c clearly that is not by a long shot the best carb you can use by a long shot for either application, without emptying your wallet at that. ( the convo was about stock and out of the box/ off the shelf carbs. )
you havent even justified your reason for a carter style carb being out of date. ( which leads me to believe you in fact are ignorant. )
bigdan: are you meaning to tell me that you run a STOCK qjet on all of your cars and trucks you described above with just some tuning? if this is the case, i have nothing left to really constructively argue or discuss b/c clearly that is not by a long shot the best carb you can use by a long shot for either application, without emptying your wallet at that. ( the convo was about stock and out of the box/ off the shelf carbs. )
you havent even justified your reason for a carter style carb being out of date. ( which leads me to believe you in fact are ignorant. )
NAILS said:
there's no need to put alot of money into a q-jet.....and as far as the q-jet I have that was rebuilt by someone who can build a q-jet for any application and it doesn't cost any more depending on which application you choose. If you want a carb that's outdo a q-jet with minor mods you'll be the one emptying your wallet.
and you really shouldn't contradict yourself...
"quadrajets are junk. complete pieces of crap."
"pontiacgp: i agree ANY carb can be a descent piece IF money and time is put into it. "
pontiacgp:
i didnt contradict myself at all... we were talking about unworked stock apps.
anyone can turn junk into a gem with money. send a qjet to john osbourne- one of the most respected carb experts in the usa.
after checking for the horn warping ( and correcting if any is present... which is very common ) inspecting the throttle shafts for leakage ( and correcting it if they do.. which is common as well ), brushing the shafts, if you want it to really run nice- modify the idle discharge ports, upgrade the primary barrels, jetting, i can go on and on. when all is said and done at a carb shop for a GOOD job done right, generally the price is right around $300. to me, 300 is money i could use for a new performer edelbrock, or avenger holley carb.
and yea that q jet will run mint next to either of those carbs - if not better.
i didnt contradict myself at all... we were talking about unworked stock apps.
anyone can turn junk into a gem with money. send a qjet to john osbourne- one of the most respected carb experts in the usa.
after checking for the horn warping ( and correcting if any is present... which is very common ) inspecting the throttle shafts for leakage ( and correcting it if they do.. which is common as well ), brushing the shafts, if you want it to really run nice- modify the idle discharge ports, upgrade the primary barrels, jetting, i can go on and on. when all is said and done at a carb shop for a GOOD job done right, generally the price is right around $300. to me, 300 is money i could use for a new performer edelbrock, or avenger holley carb.
and yea that q jet will run mint next to either of those carbs - if not better.
I prefer Edelbrock carbs. They are by far the easiest to work on and adjust.
compared to a Holley, which from my experience, are way to weather sensitive and harder to adjust. Just my opinion!
compared to a Holley, which from my experience, are way to weather sensitive and harder to adjust. Just my opinion!
NAILS said:
if you think that you didn't contradict yourself then your more full of it than I thought you were....you don't even have the balls to stick to what you said sitting behind a monitor...that's pretty sad....
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