missfire/skipping...

[Mr Joshua]

truck seems to be missfiring/skipping...
new plugs, new wires, new distributor..
8^ initial timing.
rebuilt holley 600
new headgaskets steel shim style felpro's
76 sbc 350
~J

[540Malibu]

make sure the wires are in the right order. 1-8-4-3-6-5-7-2

[Paulie C.]

sometimes when u have a few wires running paralel for long lengths they crossfire and misfire

[Mr Joshua]

Originally posted by 540Malibu
make sure the wires are in the right order. 1-8-4-3-6-5-7-2
checked and double checked... :D
if they're crossfiring through the wires, any way to stop it other than seperating them? different wires?
~J

[540Malibu]

make sure you have the correct balancer on the motor

[Mr Joshua]

Originally posted by 540Malibu
make sure you have the correct balancer on the motor
any way to tell if it's right? #'s? markings?
~J

[NickPSI]

Correct plug gap?

[Mr Joshua]

i belive they came pregapped..
i'm contemplating tossing the splitfires and getting a different set..
havn't decided what yet though..
~J

[540Malibu]

Originally posted by Black99Cobra
i belive they came pregapped..
i'm contemplating tossing the splitfires and getting a different set..
havn't decided what yet though..
~J

toss tht junk and put delcos in

[540Malibu]

the correct balncer will have a thick outer ring (looking at back of balancer) this works with the offset timing pointer.

[Mr Joshua]

the ring is about 1/4"
from what i can see in the dark with the flashlight, it apears hollow
~J

[Paulie C.]

where did u get the parts?

[Mr Joshua]

plugs n wires from autozone,
dist from summit
rebuild kit from the performance shop in worcester
everything is how i got it with the exception of the above mentioned parts
~J

[540Malibu]

this motor sposd to be a 350?

[Mr Joshua]

the #'s for it, equal a 350
i looked it up in the books
and e-mailed mortec, they confirmed it..
via casting # and serial code stamped on the pad.
casting # 3970010

3970010....302.....69....4...Z-28 Camaro
3970010....327.....69....2...Trucks and industrial
3970010....350...69-80...2 or 4

Date code # V0122CMJ

1974 CMJ 350 t4OO police - 4 full size
1980 CMJ 305 automatic trans. H - - full size/Camaro

Casting Date = A216

January 21st, 1976

so according to that information, i narrowed it down to the
1974 CMJ 350 t4OO police - 4 full size block
~J

[540Malibu]

reason i ask is because you have a 305 balancer on the motor

[Mr Joshua]

whats the difference between the 2?
~J

[540Malibu]

a 350 balancer will be about 1 1/4- 1.5 " wide and solid
a 305 balancer will be about 2" wide and maybe 3/16" thick but the rear will appear "hollow" if a 305 balancer is used with a 350 timing pointer, the timing will be off about 30*

[Mr Joshua]

the ring is roughly 1/4" thick, and 1-3/4" wide
and it's built like a bottle cap.. w/ a thick center inner ring near the crank, w/ a space between the 2 rings about as wide as my pinky
~J

[WETDRM]

having the wrong balancer wont make it run like shit !!!it will just have a shit load of vibration......ask eric....check your plug gap or just put in new ones and re gap them yourself ,dont ever trust pregapped plugs.

[Paulie C.]

dude im a manager down at autozone return the wires cuz they should be at the minimum under a 1 year to life time warrenty, i went thru 4 sets of wires before i got a good one, i have no clue why but its the harsh reality. What brand are the wires? And ditch the split fires they suck ass stick with either champion or preferably delco in that motor, although as a joke i put a set of ford motorcrafts in mine and they run mint hahaha..

[Mr Joshua]

i'm on my 2nd set of wires..
when i put the plugs in i really didn't give a shit how it ran, as long as it got me from point A to B.. :D
~J

[540Malibu]

Originally posted by GT200MPH
having the wrong balancer wont make it run like shit !!!it will just have a shit load of vibration......ask eric....check your plug gap or just put in new ones and re gap them yourself ,dont ever trust pregapped plugs.

yes it will, all smallblocks (excluding 400)are nuetral internal balance so even if you dont have a harmonic dampener(balancer) it wotn vibrate, if he is lining the timng marks up 30 degrees off it will either lean misfire or rich misfire and stumble.


go work on some more fords

[Paulie C.]

spence u r right i remember when we were having all our timing woes (nathan and myself) with his 305 aka 400 in his Camaro

[WETDRM]

Originally posted by gaseaterbeater
spence u r right i remember when we were having all our timing woes (nathan and myself) with his 305 aka 400 in his Camaro

thats a fucking timing problem retards....start with TDC and go that way ...fuck lining up the fucking balancer

[Paulie C.]

the timing problem was a result of me being told it was one motor when in fact it was th other, this is also me turning wrenches 5 years ago at like age 15 haha:thumbsup:

[Mr Joshua]

to set the timing all i did was set it to 0* at TDC
then advanced the dist till the timing light read 8*
then plugged the vaccum advance into full manifold vaccum..
so who's right?
~J

[WETDRM]

then the timing should be close enough to not run like shit....i say check ypur plugs.

[Mr Joshua]

i'm gonna ditch the fag plugs.. and buy something decent.. maybe NGK's or delco's
maybe some new wires.. any suggestions?
~J

[540Malibu]

how did you lash the valves?

[Mr Joshua]

very poorly the first 2 times.. i got it once so the valves were always open :D
after that nasty episode, i used 1/4-1/2 turn with the motor warm, after removing play from the pushrod..
theres probably a few dead lifters in there somewhere.. :D
~J

[bottledbird68]

Originally posted by GT200MPH
then the timing should be close enough to not run like shit....i say check ypur plugs. But if he had the wrong balancer then the timing marks would be way the hell off. 30 degrees in the wrong direction will make a difference :thumbsup:

[WETDRM]

Originally posted by bottledbird68
But if he had the wrong balancer then the timing marks would be way the hell off. 30 degrees in the wrong direction will make a difference :thumbsup:

why do you think i said in a previous post dont go by the balancer

[bottledbird68]

Originally posted by GT200MPH
why do you think i said in a previous post dont go by the balancer But he already said he did. And how would you know how far to advance or retard the timing without using the balancer? Or how to find true TDC without pulling the head?

[Mr Joshua]

correct me if i'm wrong here, unless different ballencers have timing marks in different locations, wouldn't i get the same timing results no matter which ballencer i was using as long as the timing mark was in the same exact place relative to the bolt holes on the ballencer/crankflange.. and the only way the timing would be off is if i was advancing or retarding by using the ballencer to do so?
which i didn't.. i used the tried and true, pinky in the sparkplug hole method to find TDC after bolting the heads back on..
the timing mark lined up with 0* on this ballencer when i had the heads off and was able to find true TDC..
correct?
~J

[MadMalibu71]

Originally posted by Black99Cobra
i'm gonna ditch the fag plugs.. and buy something decent.. maybe NGK's or delco's
maybe some new wires.. any suggestions?
~J

definitly delco's, stockish motor use autolite or Federal MAGXT wires.. If its got some beef to it, you can attempt the accel custom fits and crimp them yourself.. or i personally like the taylors.

[Paulie C.]

delco plugs or champion plugs or if your an ass like me motorcraft(i swear they run mint) and ide go with like a bosch wire if u dont have any ignition mods or like an accel or delco if u go to advanced

[MadMalibu71]

Originally posted by gaseaterbeater
delco plugs or champion plugs or if your an ass like me motorcraft(i swear they run mint) and ide go with like a bosch wire if u dont have any ignition mods or like an accel or delco if u go to advanced

Ya, autolite's which are reboxed motorcraft plugs- actually run pretty good in GM motors. I dont like champion plugs in my gm though.. ive noticed that champions and Bosch run great in Chrysler/Dodge/Plymouth's.. The only thing ild put in a Ford would be Autolite's. and as for jap imports Nippondenso or NGK.

And as for reboxed shit.. Electronics, like through STANDARD.. ya, alot of their stuff is ford reboxed, sometimes your lucky and you actually get a ford part at the price of aftermarket.. nice!

:smokin:

:ak1: "the Zone"

[WETDRM]

Originally posted by bottledbird68
But he already said he did. And how would you know how far to advance or retard the timing without using the balancer? Or how to find true TDC without pulling the head?


finding tdc is easy....and why should you even need the balancer for timing....LONG LIVE THE BUTT DYNO

[Mr Joshua]

i used my ear for timing... i just confirmed it with the light...
my butt dyno detects a vast improvement from when i first got it home.. but it's still a dog..
needs a BB
~J

[WETDRM]

is it running better?

[Mr Joshua]

i'v been messing with it ever since i brought it home last october..
since then i'v fixed everything, just enough to get it to run semi decent.. now that i'v got some time i want to make it run like a clock.. and the problems it has... it basically needs a rebuild..
this missing/skipping is pissing me off.. that i can fix... the valvetrain clack will have to wait..
~J

[WETDRM]

Originally posted by Black99Cobra
i'v been messing with it ever since i brought it home last october..
since then i'v fixed everything, just enough to get it to run semi decent.. now that i'v got some time i want to make it run like a clock.. and the problems it has... it basically needs a rebuild..
this missing/skipping is pissing me off.. that i can fix... the valvetrain clack will have to wait..
~J

valvetrain clack???????.....thats probably your skipping problem

[Mr Joshua]

dennis listened to it..
possible dead lifter or wiped lobe on #8, it seems the loudest of them all..
i'll let ya listen at dunks
getting that nice oil smell in the exhaust..
possible leaky valve guides...
i'd have to do another compression test, can't remember the readings i got..
~J

[TunedPort 335]

Someone could have installed the distributor one tooth off or so. That would completely fuck everything up when you're trying to set the timing.

[Mr Joshua]

Originally posted by TunedPort 335
Someone could have installed the distributor one tooth off or so. That would completely fuck everything up when you're trying to set the timing.
i'v got no trouble setting timing.. and I installed the dist..
i'v set it 180* backwards, and i'v set it 1 tooth off as well..
earlier this year when i tore the whole top end off..
the dist is definatly in correctly.. :D
~J

[bottledbird68]

Originally posted by Black99Cobra
correct me if i'm wrong here, unless different ballencers have timing marks in different locations, wouldn't i get the same timing results no matter which ballencer i was using as long as the timing mark was in the same exact place relative to the bolt holes on the ballencer/crankflange.. and the only way the timing would be off is if i was advancing or retarding by using the ballencer to do so?
which i didn't.. i used the tried and true, pinky in the sparkplug hole method to find TDC after bolting the heads back on..
the timing mark lined up with 0* on this ballencer when i had the heads off and was able to find true TDC..
correct?
~J If the mark lined up when you stuck your pinky in then you're all set :thumbsup: Trust your balancer's marks :cool2:

[bottledbird68]

Originally posted by GT200MPH
finding tdc is easy....and why should you even need the balancer for timing....LONG LIVE THE BUTT DYNO I know finding TDC is easy. My point was how do you get it to the exact 0* without a timing mark. One degree isn't much movement. You could be easily "about" there, but not exactly on it. And you're right, screw the light. You know me, tune by the butt dyno and check it with the light when you're done so you have a reference point if you ever pull it apart :thumbsup: Remember Paul's car when we put it on the dyno? Timing and air fuel both dead nuts first pull, my ass dyno is calibrated perfectly :cool2:

[540Malibu]

Originally posted by Black99Cobra
correct me if i'm wrong here, unless different ballencers have timing marks in different locations, wouldn't i get the same timing results no matter which ballencer i was using as long as the timing mark was in the same exact place relative to the bolt holes on the ballencer/crankflange.. and the only way the timing would be off is if i was advancing or retarding by using the ballencer to do so?
which i didn't.. i used the tried and true, pinky in the sparkplug hole method to find TDC after bolting the heads back on..
the timing mark lined up with 0* on this ballencer when i had the heads off and was able to find true TDC..
correct?
~J

305 balancers and 350 blancers for the most part DO have different marks for TDC one is stright up (305) and the other is about 45* towards the drivers side(350)

[540Malibu]

it is also VERY easy to get the cam timing off 1 tooth

[WETDRM]

Originally posted by 540Malibu
305 balancers and 350 blancers for the most part DO have different marks for TDC one is stright up (305) and the other is about 45* towards the drivers side(350)


who the fuck cares....you dont have to go by the fucking balancer to time a fucking motor.

[540Malibu]

Originally posted by GT200MPH
who the fuck cares....you dont have to go by the fucking balancer to time a fucking motor.

mr goodwrench cares

[WETDRM]

fuck goodwrench:smokin:

[Mr Joshua]

i dunno, it runs... it'll be out and about so you can fight over which ballencer is actually on it, and what sounds it makes.. :D
~J