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  1. S

    lifter issue and rock arm registration

    yes i do all cilinder in sequence 1-6-5-....
  2. S

    lifter issue and rock arm registration

    tks; lifter are markes, you can see the number in first picrture, then i put in the ultrasonic tank with mark on the top and in sequence so i could know where they goes. but anyway when i bought this motor it was already disassembled and lifter were in position, so i don't know ( i doubt) that...
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    lifter issue and rock arm registration

    yes i did; before to disassembling the lifter i was working in sequence 1-5 etc etc on tdc, but when i was putin 0 lash and 3/4 revolution i didn't have any torque at all, bolt was loose, i try olso with torque key set to lss than 10 nm but i was far away to that value , so i was thinking that...
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    lifter issue and rock arm registration

    This is my gm block casting, my head is 181 final
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    lifter issue and rock arm registration

    Thanks lou as usual for your nice support. For the roket arm, i would say that it is like your first Picture but i would say that if i look onto manual 18 on first page thay sayd that that manual is for some sn and mine is there. So theorically manual #18 is for my serial n. Said that i sow...
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    lifter issue and rock arm registration

    Thanks. I didn't remove the non return valves. I think the seal is there right? is an OR? I still have them outside but i'm woRried that size is in inch and i will not find them here in italy . Do you know size? I left in a tank of oil for 2 days now but oil will not go over the not return...
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    lifter issue and rock arm registration

    good afternoon all; i need your kind support please. in this days i installed my motor heads and i was in about to install valves lifter and i had a big issue. on manual #18 ( mine is 4.3 lx 1995) and here in the forum i sow that for my model ( with balancer shaft ) i don't have to perform the 0...
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    mercruiser 4.3 overhauling

    In this days i was looking the manual (18 and 25) Accordingly to that it seems that lx (manual 18) has lobe lifter 0.269/0.273 @0.05. Instead efi #25 as you said 0.290/0.296 as you said. Is what you meen more agressive? So this is what i should use? Tks
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    mercruiser 4.3 overhauling

    One more things, (more a surprise) Why in the manual for my motor they put 88 Nm the head bolts torque and for 4.3 gen+ they put 30 nm (or similar) and other pass in degrease if the block and screw is the same? (88Nm) Is same value that also garage gave me I think that if you just set 88 you...
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    mercruiser 4.3 overhauling

    Thanks, when i rebuilt my fiat 500 i did the same, i replace the cam i improve valves diameter and machined the head for rc improvement but for that care i had a lot of came to choose between . For mercruiser i don't really have any idea where to check for this. At the beginning i was thinking...
  11. S

    mercruiser 4.3 overhauling

    thanks; actually the lifter are still available for both of them, i didn't find as per the came or other components the voice replace number xxxx. in this case the numeber are same but with ine (1) as suffix 811844 and 8118441, tomorrow i will check dimension with caliber but looking just...
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    mercruiser 4.3 overhauling

    :O thanks; wich one is one more agrssive? yes i will go for carbs, that part of lx wont change, mine is 4 bar carbs (200cv)
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    mercruiser 4.3 overhauling

    hi scott; i check your nice post about 4.3 model but can i ask you something that is making me confused? my iron cast is 10227196 i was looking the part of cams; and i have some doubt now. you said that in 95 there was the cams 10241693 and in 96-98 the cams 10241692 if i'm looking the...
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    mercruiser 4.3 overhauling

    i hope the same. lifter are all same, so it should be ok, i was wondered when i sow that rthings mentioned in the manual this is why i asked.
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    mercruiser 4.3 overhauling

    thanks. so you suggest to go for new lifters? i know that in USA the cost are relly heeper for this parts, the problem is that in itlay is not like there because we do not have many chevy car. tomorrow i can go to auto repair shop and check, but i don't think it will be easy also because they...
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    mercruiser 4.3 overhauling

    thanks, actually it is what i wanted to do, but now i had this idea but maybe better to go back on original condition and use all as it was. the problem as said is that components were disassembled so i don't know if rollers will be in same cilinder ( that maybe yes) but not sure if they will be...
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    mercruiser 4.3 overhauling

    thanks, i was thinking to mix only if they were same ( due to the fact that EFI were newer) but i think i will install all from LX model then. but unfortunatelly i bought them already disassembled so i don't know if rotation will be the same because they are not marked . can it cause problem...
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    mercruiser 4.3 overhauling

    sorry not clear what you mean. i bought this motor in pcs so this components were already disassembled. when i do this job i normally mark everithing. i brought cilinder block head shaft and whatever in garage where there was a mechanichs and they installed the came shaft from efi ( also...
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    mercruiser 4.3 overhauling

    thanks, to both scott for the replay what is confusing me is that in the manual the picture where they said this is for same roller that i have got see below i was thinking the same about model and about fact that cilinder block is same but the sufix (1) on roller name and differenc in...
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    mercruiser 4.3 overhauling

    i thnk that EFI roller are 811844 1 instead lx 811844 . i don't know the extra (1) that is present in a lot of the code on efi model what is for
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