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Canadian Poncho Homepage -> Canadian Poncho -> 58-64 Full Size Power Train Tech Forum -> Miss in 409 # 5 cyl.
Post Info TOPIC: Miss in 409 # 5 cyl.
timbuk


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Miss in 409 # 5 cyl.
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nice to hear has been an interesting read for sure

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dualquadpete


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Well, made it up there & back no issues,80 to 90 mile round trip. slight hesitation at 55 but nowhere as bad as before, may try a set of E 3's in it, & another can of sea foam in gas, almost acts like there could be water in gas on light throttle??? Pulls "REALLY" strong on hard pedal!!! LOVE IT!!!

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Canadian Poncho


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Has the carb been rebuilt?

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seventy2plus2


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dualquadpete wrote:

I pumped up lifter last night with oil & let it sit in oil over night, have "Cam Lube" for installation!!!! 

 How do you pump up a lifter?   



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dualquadpete


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Have a punch that has a round head on it, lifter should move about a 1/4" when you depress the plunger!! cover it in oil & start pumping plunger till no air bubbles come out the bleeder hole on side of body!!

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dualquadpete


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Canadian Poncho wrote:

Has the carb been rebuilt?

 Not to my knowledge, unless years ago, but as I said it sat for 17 yrs. so likely will need it. "winter project"



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otus


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I hope you'll get that clip out and post what went haywire in that lifter..These sorts of thing ,I find, give me tunnel vision sometimes and can cause frustration for sure.Once I had a pesky top end "tick" in a small block chev and could not figure it out for the life of me until a boat racing friend said I had a chunk of carbon stuck in one of the combustion chambers....A bit of water down the carb at sustained rpm burnt that off and voila all was well!

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dualquadpete


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UP Date!!!On driving Impala into Port Perry last week the "miss" [ hesitation] was gone?? But then I noticed manual choke slightly out, Ah Haw, its' running lean, as miss came back on pushing it in. Enriched carb, 1/4 turn, better, 1/8 turn more " PERFECT" As for lifter, took it apart, found a small piece of what I think was [ Black] carbon chunk, very small, that floated in?? re -assembled lifter after flushing it out, and plunger now worked!! Anyone need a "spare" ????? This problem has driven me "NUTS" since purchasing this car after losing my others in fire,& did put it on KIJIJI for 2 hrs I was so PI$$ED with it [4 replies] but was determined to find the cause after that "fit"!!! It's a totally different vehicle to drive now, tons of power [all 8 cyl.helps] smooth on Hwy. & takes off from stop 100% better. I'm HAPPY!!!!

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4SPEED427


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Great work and way to stick with it. You were rewarded for you sticktoitiveness!

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oshawacliff


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Update Date!! On driving Impala into Port Perry last week the "miss" [ hesitation] was gone?? But then I noticed manual.... IMPALA....a great way to solve the problem or were you just uncontrollably impressed with the FIX?

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dualquadpete


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Cliff, if I hadn't left the choke out I might still be chasing hesitation, & that put me on track!!! Could have lived with the slight hesitation as it wasn't all that bad, I just knew it was there!! Lifter swap was the "BIGGIE" that got it "hitting" all 8 cyl.

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Some times I wake up GRUMPY, but today I let her sleep in    !!!!!!!! BLACKSTOCK Ont.
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