atec77 wrote:
> On 24/01/2012 9:34 PM, CyBorg 0091 wrote:
>>>>>> On Jan 23, 11:27 pm, Noddy<
m...@home.com> wrote:
>>>>>>> On 23/01/2012 1:48 PM, CyBorg 0091 wrote:
>>>
>>>>>>>> I personally checked and double checked the cam timing,could
>>>>>>>> not find
>>>>>>>> anything wrong.
>>>
>>>>>>> Fair enough.
>>>
>>>>>>>> all I found is that someone had set the tappets to a different
>>>>>>>> sequ. starting with number 4 and the rest forgientiome,i
>>>>>>>> corrtected the valve to run at 1342 after being told this was
>>>>>>>> the fire order and thats how the leads were too.
>>>
>>>>>>> This particular paragraph doesn't make a whole heap of sense.
>>>
>>>>>>> Let's run through some basics.
>>>
>>>>>>> This is a 1991 Holden Rodeo with an inline 4 cylinder engine,
>>>>>>> right? Does it have a timing chain or a timing belt?
>>>
>>>>>>> I have no idea what you mean in saying someone has set the valve
>>>>>>> clearances to a "different sequence", but if I were you before I
>>>>>>> did anything else I'd do a compression test to make sure there
>>>>>>> are no valves that aren't seating properly.
>>>
>>>>>>> You mentioned some fuck-up with the crank key way, and it's
>>>>>>> likely that the cam timing got moved and may have bent a few
>>>>>>> valves.
>>>
>>>>>>>> this is a 4ze1 i am pretty sureI have a manual for it
>>>
>>>>>>> You're pretty sure?
>>>
>>>>>>> I don't know what manual you're using, but it either covers the
>>>>>>> model in question or it doesn't.
>>>
>>>>>>>> seems the efi model but it says to set the cam timeing at tdc
>>>>>>>> when cylinder number 4 is on the compression stoke....can you
>>>>>>>> tell me what this means...?
>>>
>>>>>>> It doesn't mean anything other than that's where the
>>>>>>> manufacturer has positioned the cam when the timing marks are
>>>>>>> aligned.
>>>
>>>>>>> It's not important. All that *is* important is that the timing
>>>>>>> marks are aligned correctly.
>>>
>>>>>>> --
>>>>>>> Regards,
>>>>>>> Noddy.
>>>
>>>>>> sorry I cannot neatly post your replys,using server
>>>>>> keyboard(littleone)
>>>
>>>>>> It is timing belt ,bent valves explains the pop,sortof,its
>>>>>> comming from the crank case cover.
>>>>>> what is the most easy way to check for bent valves compression
>>>>>> check? I will follow the timeing marks they are already correct.
>>>
>>>>>> thanks again
>>>
>>>>> Yes, a compression test but if you have tried adjusting the valves
>>>>> you might want to read the following and recheck them before you
>>>>> bother with a compression test. If you don't have adequate
>>>>> compression after rechecking your valve clearances, you have some
>>>>> bent valves.
>>>
>>>>> But before you do that, are you sure your valve clearances are
>>>>> correct as on those engines they are critical (they burn valves if
>>>>> you don't get it right, or if tight they will drop compression).
>>>
>>>>> The sequence for doing the valve clearances is 1342, IOW the
>>>>> firing order which is what I think you were rambling about before.
>>>
>>>>> Start by getting #1 "on the rock"
>>>>> Use this as your guide, in this order as you turn the motor over
>>>>> after checking each pair of valve clearances per cylinder;
>>>
>>>>> #1 on the rock = check #4 clearances
>>>>> #3 on the rock = check #2 clearances
>>>>> #4 on the rock = check #1 clearances
>>>>> #2 on the rock = check #3 clearances
>>>
>>>>> Set the clearances to .05 mm larger than what the manual states as
>>>>> that was a factory recommendation at the time to prevent valves
>>>>> burning prematurely (which was a very common problem early on).
>>>>> From memory that would bring them up to .20mm for inlet and .25
>>>>> for exhaust.- Hide quoted text -
>>>
>>>>> - Show quoted text -
>>>
>>>> ok thanks,checked valves again to day and reset,found out how to
>>>> do so on gemini fourms.
>>>
>>> Did you do it my way?
>>>
>>>> I don't think valves are bent.
>>>> checked them for the secound time my way
>>>
>>> "Your way" isn't working too well for you, maybe you should try it
>>> the proper way.
>>> You're in here asking for advice, only to ignore it. I think we
>>> have been here before...
>>>
>>>
>>>
>>>> the fire order is 1342 but the distribor sits on number 4 at tdc i
>>>> found out.on these engines,makes little sense.
>>>
>>> They're just a normal 4 cyl engine, they make perfect sense.
>>>
>>>> it is sparking and getting fuel the plugs damp,
>>>
>>> If the plugs are wet, clean and dry them. Oily plugs won't fire.
>>> Take the dizzy out and move it 180 degrees. Failing that (some are
>>> keyed so the dizzy can only go in one way), the cog that drives the
>>> distributor gear (maybe driven by the timing belt) is out of whack.
>>> If you post a pic of the motor I'll give you some pointers.
>>>
>>>> according to the manual it says the computer will bypass problems
>>>> and still allow the engine to run,
>>>
>>> Not if the dizzy timing is out it won't. The computer can't
>>> compensate for a fucked up setup.
>>>
>>>> from the gemini forums some said these were boat anchors when they
>>>> don't run.others live with them every day and even lay 10incs of
>>>> rubber with them the 4ze1 lol
>>>
>>>> thanks again
>>>
>>> The performance of the motors is overstated. They are neither boat
>>> anchors or rubber layers, but a fairly solid workhorse engine if
>>> maintained
>>> correctly.
>>>
>>>> is the plug you were talking of to go right into the ecu under the
>>>> dash or kickboad
>>>
>>> Forget the computer, you have fuel and spark. Do you have an
>>> injector pulse? If not, the CAS isn't working and symptoms can be that
>>> the
>>> injectors are held open, flooding the engine. That would also explain
>>> why the
>>> plugs are wet.
>>>
>>> BTW, you should assume you know nothing and follow sound advice.-
>>> Hide quoted text - - Show quoted text -
>>
>> ok set the valves my way which is the same as your way and set the
>> distributor to number one,but still the same pops
>> maybe the cam is 180 out fucked if i know
>> when the timeing marks line up on one circut the valves are tigght on
>> number one and on the next they are loose as buggery,is this cam 180
>> out.
>>
>> thanks again
> bring no1 to tdc ( check on the compression stroke), where is the
> dizzy pointing(no1 lead?) and reading the manual it should tell you
> no1 valves will be "rocking " , check the ignition leads and the
> dizzy rotation , it sounds like you have two leads crossed over
Shut up you dickhead, you don't know what you are talking about.