toyota 4y

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W0ODY
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toyota 4y

Post by W0ODY »

Hi guys,I have a toyota 4y engine in my double cab bakkie,I heard abt the chevy lifters from masterparts n I have ordd them,I jus wanted to know if it will make a difference by changing my stock lifters with the chevy lifters,and if it jus swops out or if there is other steps for it to fit and work ...please update me with any info on this,and also contacts numbers where I can get mods to increase performance like cams,valve springs,etc...
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The Legend
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Re: toyota 4y

Post by The Legend »

Hi Videsh

Welcome to the forum. I also replace the the lifters of my 4y engine with chevy lifters.I am very happy with it .It is very easy to replace them.
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W0ODY
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Re: toyota 4y

Post by W0ODY »

Ok that's great,so it jus simply fits it normal I take it?and wat differences did u find with ur new lifters ,does it rev higher or increse ur performance or acceleration ?
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The Legend
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Re: toyota 4y

Post by The Legend »

The chevy lifters is high revs lifters.Did not test it on my bakkie to see how high it can revs now.Can not say that I have better performance with it.
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W0ODY
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Re: toyota 4y

Post by W0ODY »

Ok thanks for sharing,do u have any other performance mods or info where I can get cams,valve springs for my 4y
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Re: toyota 4y

Post by The Legend »

Do a EFI conversion ,more power for the same fuel consumption as with the carb.
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W0ODY
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Re: toyota 4y

Post by W0ODY »

Cums standard with injection,problem is it limits too early,at 4500 revs and gear ratios r way too short...
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Re: toyota 4y

Post by The Legend »

Read this link for EFI conversion

viewtopic.php?f=92&t=676
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Re: toyota 4y

Post by The Legend »

Read this link as well.It is a follow up on the previous one.

viewtopic.php?f=92&t=1172
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W0ODY
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Re: toyota 4y

Post by W0ODY »

I've got fuel injection already bro...I want to modify the head abit with bigger valves ,valve springs,lifters n a custom performance cam
W0ODY
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Re: toyota 4y

Post by W0ODY »

Do I need to send the head to engineers after putn the chevy lifters?does the lifters need to be set or checked for clearance ?
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Re: toyota 4y

Post by The Legend »

You do not have to remove the head to replace the lifters.You only remove the tappet cover ,rocker shaft with rockers and pushrods.No adjustments needed for valve clearance.It is an hydraulic system.Remember to bleed the new lifters before installing them.
“A BAD DAYS FISHING IS BETTER THAN A GOOD DAYS WORK”

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W0ODY
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Re: toyota 4y

Post by W0ODY »

Ok perfect,was jus worried abt clearance ,and is there any other mods u know off for the 4y?please let me know
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Re: toyota 4y

Post by mthiza »

Hi Team,
I have got a problem here, I replaced a timing chain, push rods, hydraulic lifters (Arco type)after hearing a tick tick sound on my 4Y engine and thereafter the noise was gone for about three months and it came back again.I then replaced the whole rocker shaft and rockers but the noise is still there, what could be the problem here, please help.

Thank you.
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Re: toyota 4y

Post by dax021 »

My 4Y has been making tic tic sounds at idle speeds since I've had it, even after a complete rebuild. I believe it needs a bit of revs to get the oil pressure up in the lifters. I'm not going to tell you to ignore it, but I have done so for years with no consequences (as far as I'm aware)
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Re: toyota 4y

Post by Mud Dog »

Could be that the cam followers are a bit worn. Having replaced the lifters addresses only one end of the hydraulic "cells" and if the followers are a bit worn then there is still some pressure loss through the bigger worn tolerances. Mechanically it's not a problem and the motor will still be happy for years to come but you could try using a slightly thicker oil (like what is sometimes recommended for older motors) if the ticking is indeed stemming from the hydraulic tappets.
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