54 replies to this topic

[wot179]

 Chris_Maisons_186.JPG   803.68K   51 downloads  Chris_Maisons_186__2_.JPG   1.03MB   129 downloads
 Chris_Maisons_186__3_.JPG   1.05MB   53 downloads  Chris_Maisons_186__4_.JPG   1.02MB   90 downloads]  Chris_Maisons_186__5_.JPG   855.28K   32 downloads  Chris_Maisons_186__6_.JPG   879.92K   27 downloadsG]  Chris_Maisons_186__7_.JPG   905.18K   47 downloads  Chris_Maisons_186__8_.JPG   914.21K   33 downloadsPG]  Chris_Maisons_186__9_.JPG   938.71K   20 downloads  Chris_Maisons_186__10_.JPG   880.07K   25 downloadsJPG]  Chris_Maisons_186__11_.JPG   775.37K   41 downloadsI just bought this lot tonight for a grand.The head looks pretty wild,I'm wondering if its been taken too far.

Came with a new full manual trimatic,and all the rest you can see in the photos.

The motor is apparently a 186 with a 202 crank.

Why anybody would need a full manual auto is beyond me,when you can have a full manual manual with the addition of a clutch pedal

I'll soon be looking for a Muncie.

This will not be going in a street car.

Any information or opinions on the head would be appreciated.I've included the engine no in case its something special to you number orientated guys.

Cheers,Craig.

[Zook]

Those are huge ports and big valves and the head has been shaved a long way. I'd be doing some very careful compression ratio calcs just to make sure you can run it ok on pump unleaded....or else just add acetone!

[Heath]

Yeah they are minute combustion chambers.

Ummm i THINK it's an early Irving head but I can't for the life of me find the documentation I'm looking for

I've got a spare 186P here... I don't think you really want this; do you want to swap for a more fuel efficient six cylinder instead?

[wot179]

I'll be more inclined to stick some 2 inch SUs on it and fill it with methanol.

[wot179]

Yeah they are minute combustion chambers.

Ummm i THINK it's an early Irving head but I can't for the life of me find the documentation I'm looking for

I've got a spare 186P here... I don't think you really want this; do you want to swap for a more fuel efficient six cylinder instead?

Let me think about that trade for a couple of seconds(tic tic tic)Nope.Is a 186p anything special?

The guy I got it off had it in an LC about 8 years ago,pulled it to bits,reworked the head,got the auto built,then sold the car but kept the running gear.Its been moving from house to house,Sydney to Brisneyland and back ever since,never seeing another car.

I think he just got sick of moving it.

[wot179]

Hi i can help supply some 2" su's.

Jeff

pm sent

[Zook]

I'll be more inclined to stick some 2 inch SUs on it and fill it with methanol.

Now you're talking

[VitcLJ]

Nice work on the head. Looks like it has been set up for a cup head bolt (or a short stud)in the inlet ports and then plugged on top (Removes the centre interference.) Combustion chambers are very small I'd be cc'ing them and work out the compression ratio. just looking at it I'd guess its in excess of 11 to 1. Methanol and or AVgas or racing fuel would probably be needed to stop pinging. Also check the cam if its a big lift long, duration puppy you would be well advised to check the clearances to the piston and the cylinder edge. you may have to relieve either or both.
personally I dont think it would be a daily driver unless you live on a racetrack or need to get somewhere in a hurry and have stealth mode enabled to prevent radar bounce. Looks like a good head for an NC historic race car.

[wot179]

Thanks Paul.Feel free to use the photos.I'll send you some more detailed shots if you like.Tell me what you need.

Rocker studs are pinned.
Cheers,Craig.

[wot179]

Looks good mate.

Piff that stupid chrome oil pump cover off, thats asking for leaks as it flexes.

Head work does sure look impressive, exhaust is ported more than i have ever seen. Hasnt had that much shaven off it, can still see the thumb print. Unless its been shaven on an angle (to give more valve clearance). Some unsrouding around the combustion chambers wouldent hurt it with valves that big. Definitely have it thrown on a flow bench to see what you have there.

Do you have any picks of the sides of the slugs without the rings installed???

Lifters are useless, unless you get them surfaced. Stupid people mixing them up.

And fully manualized auto's rule if you wish only to go in a strait line. If its built right it will be a very good box.

Looks good anyway!!!!

Cheers.

Yeah,all that Kmart Chrome is going in the bin.

Will be getting a couple of old drag racers I know to check it out as well.

Bottom end is assembled,apparently with 202 crank and pistons,and starfire rods.The pistons in the box are new +40 186 pistons.I'll add some shots if you want them.

Manual autos are dull.My old car was heaps more fun running 13.0 with a toploader than it was running 10.80s with a manual glide.

Stickshifts forever.

[Heath]

Tricked up autos are definately an aquired taste. If you can get over the horrible sound they make when they shift gear then you can appreciate them a lot more. But obviously it's a debate that will never and should never be settled, but I would hesitate to ever put an auto behind a six.

I still can't find what I'm looking for about the head, but I'll tell you now it isn't a one-off. If I find anything out I'll let you know.

Chrome plated engine mounts are different...

[Heath]

^ Just for the record, he said manuals were more fun, not faster.

[wot179]

Dead right Heath.The fun goes out of it when it just goes straight.Rippin gears is top fun.And consistency isn't that hard to achieve once you figure out what the car will do when you sidestep it.

[wot179]

 Chris_Maisons_186__2_.JPG   811.43K   39 downloads  Chris_Maisons_186__3_.JPG   797.66K   14 downloadsG]  Chris_Maisons_186__4_.JPG   987.31K   6 downloads  Chris_Maisons_186__5_.JPG   917.35K   5 downloadsPG]  Chris_Maisons_186__6_.JPG   981.52K   19 downloads  Chris_Maisons_186__7_.JPG   826.26K   9 downloadsJPG]  Chris_Maisons_186__8_.JPG   773.5K   6 downloads  Chris_Maisons_186__9_.JPG   857.82K   11 downloads.JPG]  Chris_Maisons_186__10_.JPG   980.59K   6 downloads  Chris_Maisons_186__11_.JPG   914.09K   2 downloads_.JPG]  Chris_Maisons_186__12_.JPG   1.02MB   4 downloads  Chris_Maisons_186__13_.JPG   860.06K   15 downloads3_.JPG]  Chris_Maisons_186__14_.JPG   929.87K   12 downloads  Chris_Maisons_186__15_.JPG   975.76K   19 downloads15_.JPG]Some more shots for HQSS showing pinned studs.Also some shots of an old yella terra I found lying in a paddock.

[wot179]

yeah,Paul,I already checked that thread out.There dont appear to be any extra numbers stamped on it,and the valves dont have YT on them.

It may not even be a yella terra,maybe just painted yellow.

As I said,I found itin a paddock while cleaning up some junk at a house a friend was renting years ago.

Its been hanging around ever since.

[orangeLJ]

jesus christ.

I really really want that head!

[ToRunYa]

yer my y/t head was a early one. didnt have the yt on the valves... done the trick still LOL

[makka]

jesus christ.

I really really want head!

things a bit tight at home Chris?