engine just doesnt want to work.......

[9898989]

ok...

I've got a really frustrating story at the moment. I have tried to rebuild my 202 several times and it doest seem to work...

Right now i can't get any oil pressure in it... pick-up is fine.. oil pump worked in previuos motor, new filter and it just doesnt work

Any ideas???

[SL/ENUT]

Did you pack the oil pump with vaseline? Often you do this and it will start to gain oil pressure. Also whats the sender umit like on the oil pump?

[9898989]

yes it has been packed with vasaline...... how long would it take to gain pressure doing this

[SL/ENUT]

shouldn't take long at all.

[9898989]

it doesnt work... got any ideas on what else it could be???

Or how to fix it

Oh at around 4000 revs could get decent pressure but wud go down when idling if that helps

[SL/ENUT]

What oil are you running?. That could be a problem.

[9898989]

what oil should i use??

[SL/ENUT]

Don't get the synthetic stuff, not good for old motors. I think 202s use 20/40 oil. Hmmm need to look in my VB-VK manaul and see what it says.

[vkberlina]

I wouldnt pack an oil pump with vaseline, I have seen cam shafts damaged this way, the vaseline will disolve when heated but will return to its consistancy when cold, meaning you could clog a pushrod, oil gallery etc.

When you fit your oil filter prefill it with oil and then fit it to the oil pump. On a 202 you are better to prime the oil galleries, to do this remove the oil pressure sender & fit a tube to the block, I normally use an airline attachment with a hose over the end hooked up to an oil gun.
Basically pump about 1L of oil though the motor then fill the remaining 4L of oil via the rocker cover, if you tip it in quick enough it will fill the top end covering the valves.
Next with the spark plugs removed crank the engine over this will pump oil through the engine with minimal load, once oil pressure is achieved then get it ready to start. Whilst cranking the engine over have someone look insid ethe rocker cover and you should see oil filling the top of the rocker arms, this will mean the lifters are pumped up.

Also when you build an engine you should use some form of anti seize lube like Nulon L90 on the cam shaft, valves, rocker gear etc.

cheers
Scott

[Goon]

If you do have a plastic oil pressure line, id go and get a copper line instead for about $7-14.

[vkberlina]

what oil should i use??

Use Penrite HPR30, I used to change it at 5,000km intervals on my Hot 202 anywhere up to 10,000km should be ok.
On a freshly built engine change your oil at about 600-800km, then resume normal change intervals. Dont use a friction modified oil on a new engine after about 10,000km then you could swap to a friction modified oil, but there is nothing wrong with using a good mineral oil changed regularly.

cheers
Scott

[9898989]

ok jus tried a high volume oil pump to rule out the pump...

Still got nothing......

[jd hot stuff]

How is it going now, still like crap? are you getting oil to the rocker? if not maybe try looking at the liffters or sumthin down lower than that.

[9898989]

Yes there is NO oil is getting to the rocker.....

Might check the lifters and pushrods tommorow

[Doctor Bob]

did you fit the adapter from the oil pickup to the block? ive seen this cause similar problems, it screws in tight but wont seal & sucks air into the oil.

Rob

[9898989]

ok well i've decided to pull the engine out

What should i look for to fix the problem???

[vkberlina]

Well before you pull the engine over, you need to begin a process of elimination to work out where to look.

Are the rockers moving when you crank the engine? If so your cam is turning.
Is the oil pump being turned, pull the side plate off it and look whilst its being cranked.
Check your lifters & push rods they may be blocked with vaceline not allowing oil up. Pull oyur side plates off and see there is oil around the top of the lifters.

Out of interest what was done to the engine?
Complete strip & rebuild?
What parts were machined?
what parts were replaced?

cheers
Scott

[9898989]

What was done to the engine was....
Taken out and striped

New ACL pistons 20 thou
Crank Grinded
New Bearings
New Rings
New Gas Cam (crow cams)
New gas valves - Not sure if they are bigger but $400 spent on head
New high volume oil pump just bought
Carby overhaul
New Water pump
Just converted from EST to the vacume advance Distributor

Thats all i think

[308vkcalais]

ok...

I've got a really frustrating story at the moment. I have tried to rebuild my 202 several times and it doest seem to work...

Right now i can't get any oil pressure in it... pick-up is fine.. oil pump worked in previuos motor, new filter and it just doesnt work

Any ideas???

Is the Skew gear on the end of the distributor shaft connected & seated correctly??Check if any teeth on the on the pump gears are cracked or worn.I'd keep looking round the oil pump area meself.

[Goon]

Just converted from EST to the vacume advance Distributor

^^ That wouldnt be A problem would it?

[vkberlina]

Ok your dizzy dont have naything to do with not getting oil pressure, it will only be involved with ignition.

cheers
Scott

[Goon]

Yeah i was thinking along the lines of things firing up and to get things started for other things to happen.

hey 9898989 when you put it all back togthere did u use a book at all? or just what you thought fit, did.

[9898989]

i used the book and this is the second time we have put a 202 together...

[308vkcalais]

I meant the cog gear on the bottom of the pump shaft.Sorry it was early..

[9898989]

checked the lifters and had oil in the top of all of them and the pushrods are all clean and weren't blocked