Engine v8 305 gen1 with quadrajet ... HELP
#1
Engine v8 305 gen1 with quadrajet ... HELP
Hey all,
i own a 88 caprice classic brougham LS with a 305 v8 1st generation engine with a Rochester quadrajet carb on top
i recently overhauled the carb bought a new kit for it and cleaned it. Not sure if i well adjusted the mixture (watched over a ton of youtube links and DIYs...)or else but the engine is now weak and runs like a v6 not a v8 pfffff... Tuned the mixture front screws till I got the high idle sweet spot for both screws then adjusted the idle speed screw ... I can say there is no more hesitation no more backfiring and a noticeable gas mileage .. BUTTTT ...runs like grandma... The TV cable is adjusted.. What could be the problem? It had massive power before when the carb was in a ****ty conditions loooool... Any help is appreciated thanks.
i own a 88 caprice classic brougham LS with a 305 v8 1st generation engine with a Rochester quadrajet carb on top
i recently overhauled the carb bought a new kit for it and cleaned it. Not sure if i well adjusted the mixture (watched over a ton of youtube links and DIYs...)or else but the engine is now weak and runs like a v6 not a v8 pfffff... Tuned the mixture front screws till I got the high idle sweet spot for both screws then adjusted the idle speed screw ... I can say there is no more hesitation no more backfiring and a noticeable gas mileage .. BUTTTT ...runs like grandma... The TV cable is adjusted.. What could be the problem? It had massive power before when the carb was in a ****ty conditions loooool... Any help is appreciated thanks.
#3
CF Monarch
Also, is the inline filter new/replaced, and in correct? Did you replace the accelerator pump with one in the kit, if so, was the spring the same as the original (length, ect)?
Last edited by kevinkpk; October 30th, 2017 at 3:39 PM. Reason: addition
#4
Float is OK and tested the power valve too..all is OK ... Well I noticed that my TV cable adjustment "button" isn't working ... Might this affect performance? When I rev the engine it roars like a beast. It when on road its grandma lol .. Ow and does the EGR has anything to do with my problem? I'll consider cleaning it too.
#5
About the inline filter ...well... When I removed the old one to replace it the spring jumped and I lost it ... I feel dumb saying that lol.. But I kept the filter with no spring until I buy another one...should this affect anything?
#6
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#8
so after a long day on wednesday, i removed the carb and found that my secondary flaps aren't opening and there was a tiny carbon piece sitting under the float needle.. so cleaned everything with carb cleaner and pressure air then mounted the carb, tuned it again,,,,,,,,, and voilaaaa .. i can even hear the jets whistle like a turbo haha .. what a great relief and happiness i felt and now my ride is now more powerfull.