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> The Nando Build - Tear down thru First Start, Power for your budget....Both ways!
jwalters
post Mar 20 2007, 08:36 PM
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This is the dead simple operation of lapping in the barrels with grinding compound - these heads were rebuilt with new guides and a three angle valve job, and all new valves.

this is a very important operation and goes along the same lines of lapping in the valves - you are ensuring complete sealing = longevity
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jwalters
post Mar 20 2007, 08:40 PM
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This is what you are looking for when mating the camshaft gear and crank gear - this camshaft is the venerable web 86A

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quick edit - I use my toaster over to heat the crank gear and dizzy drive gear to 400 degrees F - the dark stuff on the gear that looks like it was not cleaned enough, well, that is only left over pizza sauce .... (IMG:style_emoticons/default/laugh.gif) (IMG:style_emoticons/default/rolleyes.gif)
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jwalters
post Mar 20 2007, 08:45 PM
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here is the same head after some judicious lapping and stroking - (IMG:style_emoticons/default/blink.gif)

This one about used up my patience - I had to lap the other side a little more to keep the heights the same - it is still not quite a full contact, but I cannot go anymore due to an uneven height relationship between the two sides - however, it is more than serviceable, and still has to be torqued and go through a full heat cycle. I have no worries here.
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jwalters
post Mar 20 2007, 08:49 PM
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A quick shot of the internals---this case is a very early "W" one. It has no provisions for a windage tray---

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jwalters
post Mar 20 2007, 08:53 PM
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I have torn open quite a many of these engines and almost always find these missing - they are stabilizers, or, harmonic dampers for the case thru-bolts. A good idea to always use these. I have seen these bolts snap from the vibes frazzling them inside the case. Very long bolts with no support at all in those holes..I, and Nando, had to special order these. I do not think they come in any of the standard gasket paks...

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jwalters
post Mar 20 2007, 08:57 PM
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OK, here is a highly coveted secret I will now pass on to all. Do not use any type of hardening silicone on pushrod tubes!!! When an engine like the T4 goes from full cold to full hot in can grow upwards of 10mm!!!!

The secret: Toyota transaxle packing compund - AKA 'red stuff' --- it is non hardening and will move with the tubes as the flex --highly viscous, it pulls and fills in voids --

Do not use for case halves tho!!!!!
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jwalters
post Mar 20 2007, 09:01 PM
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Yours truly demonstrating how to assemble a piston/cylinder assy on a rod..

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I must say I am pleasently surprised with these AA Products piston/cyl assemblies. The machining marks were of excellent quality, the pistons are stunning, and when pistons removed for the lap process, the rings were installed on the pistons perfectly!! very impressed..

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jwalters
post Mar 20 2007, 09:05 PM
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Very nice...
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jwalters
post Mar 20 2007, 09:08 PM
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Nando doing the other side...
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And assembling the other head - -this stuff is really, really simple and not the way some would have you believe -- just have your machine work done by a very reputable place and check it - -trust but verify!
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jwalters
post Mar 20 2007, 09:10 PM
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This is a rarity for me - second time in 15 years -- the oil pump drive gear was not pressed fully home on its shaft - - this is a shadeck unit - before and after 'fixing' the problem...
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jwalters
post Mar 20 2007, 09:13 PM
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(IMG:style_emoticons/default/drunk.gif)
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Done for now - now to wait for Nando's teener to return from paint and body to finish her off....

Nando, got a name for your car yet???
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elwood-914
post Mar 20 2007, 10:20 PM
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Hey guys, great job! Thanks for taking the time to take pictures and posting. (IMG:style_emoticons/default/beerchug.gif)
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martinef1963
post Mar 21 2007, 04:12 AM
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"The Money Pit!"

This project went well over my projected budget. What I'll do in the near future is give a break down of cost for people that have never and are thinking about rebuilding a T-4 engine.

I believe the incidentals are what really add up.

Thanks Jay for taking the time to and lending your home for this rebuild. I have to go get ready for my driving.

I'll be getting the beast back late PM today or early AM tomorrow - will post pics.

regards. (IMG:style_emoticons/default/boldblue.gif)

QUOTE(jwalters @ Mar 20 2007, 11:13 PM) *

(IMG:style_emoticons/default/drunk.gif)
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Done for now - now to wait for Nando's teener to return from paint and body to finish her off....

Nando, got a name for your car yet???
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jwalters
post Mar 21 2007, 08:29 PM
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(IMG:style_emoticons/default/biggrin.gif) Hey, I got your messege, yes it is ok to pull the pump cover - leave it off, I have two more unused gaskets to replace it with. Cover up all your open holes with plastic or a wad paper towels into all the holes --

I have inventoried all the remaining items and we are good to go for the final countdown.

I found a dyno shop in Opa Locka so we can measure your new engines actual output -

If we can get it done before you go over the road great, if not, well, guess just have to wait...........

(IMG:style_emoticons/default/beerchug.gif)
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jwalters
post Mar 21 2007, 08:31 PM
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[quote name='martinef1963' date='Mar 21 2007, 06:12 AM' post='877551']
"The Money Pit!"





Do not believe him - He has a better car than I, and I have spent more beans....

(he had a better car to start with tho.. (IMG:style_emoticons/default/cool_shades.gif) )
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martinef1963
post Mar 22 2007, 06:10 AM
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Money Pit was delivered from the body shop yesterday afternoon. I took some pictures of hell hole. I didn't have time to really inspect the floor pan triangle that R & R. From the top side it looks good, but from the bottom, duno.

The hood and passanger side were worked on also - they did a good job on matching the paint.

Looks like I will have to add several replies to get the pictures uploaded.

Fernando (IMG:style_emoticons/default/biggrin.gif)


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martinef1963
post Mar 22 2007, 06:16 AM
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Here are some more pixs


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martinef1963
post Mar 22 2007, 01:08 PM
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I was going to wash the engine bay area and prep for sound/heat pad installation, but the weather here in Miami today has been non stop raining. So I thought I would attach the engine mount brackets to the engine case and found that the left bracket can not be installed without modification. The full flow oil pump doesn't allow room for install. Aside from grinding the right side of the bracket down, are there other bracket applications that would allow for normal installation?

Here are some pictures:



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Aaron Cox
post Mar 22 2007, 01:33 PM
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where did ya get the 'elbow' for the full flow?
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martinef1963
post Mar 22 2007, 01:52 PM
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Hi AA - I didn't get it, J picked it up. He would be the source.

regards - Nando

QUOTE(Aaron Cox @ Mar 22 2007, 03:33 PM) *

where did ya get the 'elbow' for the full flow?
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