For the love of a tractor engine: The life and times of the 18R-G

[o_man_ra23]

If anyone wants to do me a set on an exchange basis once I get the RA28 (still painting this damned bike), let me know.

Cheers, Owen

[Gunna]

I also really need some of these slippers for my engine build. Its all i have left to get and its been really hard to find some any chance someone could help me out? It would be very much appreciated...

[Steve M]

I want to send a sample of the correct compound up to the Queensland company that can re coat them 'cause they seemed surprised when I told them that Toyota used a soft compound. They have been doing all the Jag ones in Ebonite, a hard compound that is hot pressure bonded.

If things work out well, there should be a few becoming available as an Adelaide engine tuner has been saving up all the old ones they could find waiting for an opportuniy like this.

I don't know how long it will be until I get onto this though, it might be a little while.
I could check with some Adelaide places to see if they play with Ebonite.

[Spectre]

Ive been in the process of removing my 18RGEU head to fix a BHG, I bought a green toyota 18R/RG book, followed the instructions etc. Cams are out, gears are cabletied to the chain, head bolts undone. Unbolted the brace that goes to the intake, unbolted exhaust manifold, undid the two 12mm nuts at the front.

Now the head will NOT come off. Ive tried lifting and pulling from all directions, but nothing. Ive even had my old man try and help but it wont budge.

Any idea's on what I can do? I dont fancy trying to wedge a screwdriver or anything between the head and the block as I dont want to damage the surfaces.

Cheers,

Bryce

[sillycar chick]

I want to send a sample of the correct compound up to the Queensland company that can re coat them 'cause they seemed surprised when I told them that Toyota used a soft compound

Despite the Stewart Wilkins ones being a bit exxy, they are a soft compound... they've been running great in the hybrid for the past year....

Leso were the ones you got done softish?

[timbosaurus]

Have you try persueding it with a big hammer?

I'm not sure how alloy heads would cope from a wack of the old steel toogie, but there has never been a head too stubborn for a rubber mallet in my experience.

You dont necessarily need to hit upwards... just wacking it anywhere where it is strong usually suffices. Just make sure you have double, triple, and quadruple checked that ALL bolts have been removed. Even the little 10/12mm one in the timing cover

Cheers,
Timbo

Ive been in the process of removing my 18RGEU head to fix a BHG, I bought a green toyota 18R/RG book, followed the instructions etc. Cams are out, gears are cabletied to the chain, head bolts undone. Unbolted the brace that goes to the intake, unbolted exhaust manifold, undid the two 12mm nuts at the front.

Now the head will NOT come off. Ive tried lifting and pulling from all directions, but nothing. Ive even had my old man try and help but it wont budge.

Any idea's on what I can do? I dont fancy trying to wedge a screwdriver or anything between the head and the block as I dont want to damage the surfaces.

Cheers,

Bryce

[sillycar chick]

Ive been in the process of removing my 18RGEU head to fix a BHG, I bought a green toyota 18R/RG book, followed the instructions etc. Cams are out, gears are cabletied to the chain, head bolts undone. Unbolted the brace that goes to the intake, unbolted exhaust manifold, undid the two 12mm nuts at the front.

Now the head will NOT come off. Ive tried lifting and pulling from all directions, but nothing. Ive even had my old man try and help but it wont budge.

Any idea's on what I can do? I dont fancy trying to wedge a screwdriver or anything between the head and the block as I dont want to damage the surfaces.

Cheers,

Bryce

Yeah, the heads arent easy to get off if they have been there a while Best way if you have an engine hoist or block and tacke setup to lift it off by hooking up to the lifting lugs...
I think from memory on the 2TG I managed to find a location to lever it off that wasnt between the machined surfaces of the head and block.

Cant say the same about the 18RG but there is a way Good luck.

[airfireman1]

I have just stripped down my spare 18rg that has been sitting around for the last 5 years and the head came off relatively easily. A large tap with a soft (hide) mallet just under the thermostat housing did the job. But the above idea is a good one or you can get a cheap ratchet style puler similar to a block and tackle and attatch it to the head and put a little pressure on the head to lift it off.

[Spectre]

Just make sure you have double, triple, and quadruple checked that ALL bolts have been removed. Even the little 10/12mm one in the timing cover

Cheers,
Timbo

Which 10/12mm bolt are you refering to in the timing cover?

[leso]

Ok ladies and gents...just been down the shed and had a good poke at the new slipper ... chain guide thingy. It's way softer than a old used 18r one...and about the same as the very top one from my 18rgu (that is not worn so will reuse) When i dropped it in to this place the dude got a dial gauge thingy to measure the hardness...he said no probs...maybe my old one was hard from being old ??? All things being equal...it's gotta be better than re useing an old one. And the price is pretty sweet.... When i first chatted to (BOB) on the phone i told him that all the people on this site would luv him.. However he didnt seem to keen on me telling everyone..(just a gut feeling). But how could he refuse work ??? I payed $55...will be interesting to see if he charges more if lots of interest is shown..(btw they do engine mounts as well...seen some of the work...awesome) Reckon the only way to find out for sure is for someone else to give them a go...
Personally i think it's a great product...with very good ...if not a bit slow service. Oh yeah i used to be a mechanic for the first 12 years of my working life, if that makes a difference

cheers all looking forward to some positive comments about a place i recommended...


LESO

[timbosaurus]

Which 10/12mm bolt are you refering to in the timing cover?

These ones


circled roughly in red...

[Spectre]

These ones


circled roughly in red...

Yep, there just two 12mm nuts

[timbosaurus]

Yeah, i forgot about them once...

[Spectre]

Yep, there just two 12mm nuts

ill get a rubber mallet to it tomorrow avo and see what happens

[ViPeR_NiPPleX]

Yeah, i forgot about them once...

they are evil. I had one covered in oil and I didn't notice. That was a few hours of stress and head scratching I wont get back