what can cause low compression in cyl 2 and 3? we did a new headgasket and timing set and its not starting now. comp on the center cylinders is like 50ish cold, and 125ish on the outter two.
motor ran very strong but knocked before we tore it down.
KA24E Wont start, some low comps
its very possible that we have bent the valves just a bit, cause we rotated crank w/o the chain on like 4 months ago when i knew less about it lol. but adding oil to the cylinders doubled the compression from a whopping 25psi to 50.
Probably just gonna replace that engine, it has tons of newbie/ghetto fixes on it and 178k miles. just kindof a shame i sprung for a timing set and hg.
Probably just gonna replace that engine, it has tons of newbie/ghetto fixes on it and 178k miles. just kindof a shame i sprung for a timing set and hg.
what nistech said... combustion gasses might be leaking back and forth between cyl's 2 and 3, the cause of that may be improper cyl head torque. Also what brand head gasket did you replace it with? I liked the look of the FelPro gasket set a lot more than nissan oem.
So it's not running AT ALL? it doesnt even try? when mine didnt start up instantly i looked right at all the marks i'd made for distributor / rotor orientation on TDC and sure enough i'd slid the distributor down in there one tooth off.
So it's not running AT ALL? it doesnt even try? when mine didnt start up instantly i looked right at all the marks i'd made for distributor / rotor orientation on TDC and sure enough i'd slid the distributor down in there one tooth off.
3rd times the charm on the cylinder head bolts, compressoin is around 125 a cylinder (cold, non-running state) But its still not firing up, i bought a timing light and will be checking the timing next chance i get to work on it.
Plugs are getting wet with fuel in some but not all cylinders, master Nistech what does this mean?
Nice call on cylinder head torque btw
Plugs are getting wet with fuel in some but not all cylinders, master Nistech what does this mean?
Nice call on cylinder head torque btw
Thanks Nistech! Gonna try and time it tomorrow, also going to check again that all injectors are connected and shooting fuel.
The cam timing could be off a tooth give or take, my new timing chain didnt have any kind of 'silver mark' that i'm supposed to align but we eyeballed it as best we could to get both notches at 12'oclock with the chain tense. (pain in the butt)
The cam timing could be off a tooth give or take, my new timing chain didnt have any kind of 'silver mark' that i'm supposed to align but we eyeballed it as best we could to get both notches at 12'oclock with the chain tense. (pain in the butt)
dareo wrote:Thanks Nistech! Gonna try and time it tomorrow, also going to check again that all injectors are connected and shooting fuel.
The cam timing could be off a tooth give or take, my new timing chain didnt have any kind of 'silver mark' that i'm supposed to align but we eyeballed it as best we could to get both notches at 12'oclock with the chain tense. (pain in the butt)
give or take a tooth or two?
Did you have any photos of what it Should look like as you were installing the kit?
Having one cam off one tooth may let it sputter once or twice while trying to start it, but it most likely wont run or run well otherwise.
My chains didnt have any silver mark, either. One side of one of the links for each chain was painted yellow, and that link is what sat on the tooth with the round dimple just underneath drilled into the gearside.
