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Just bought this 186

Started by wot179 , Apr 07 2009 06:08 PM

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54 replies to this topic

#26 _Pro_

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Posted 14 April 2009 - 10:16 PM

hey - first post i know - but it looks an awful lot like a shaved and ported 149 red head like i have on my HG.

there's just no meat left on the inlet ports which makes me doubt it's a YT head at all.

just taking a comparison that's all.

score for $1000 anyway :spoton:

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#27 _Allports_

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Posted 15 April 2009 - 01:28 AM

Love the Ex port lol......NOT. Isnt it funny how people did things way back when we were young. Move it on dont get attached! get something else with a less ridiculously sized (hogged) exhaust port. If you put that on with a set of carbs you'll have an engine that when you tweak the carbs it'll have a lot of trouble responding due to the over ported ex ports.

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#28 _Drag lc_

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Posted 15 April 2009 - 07:31 AM

i was waiting for someone to say something about the yesteryear port work had this conversation with another forum member over this head. imagine how responsive down low it would be with intakes and zorsts like that? prolly need 14.to 1 to wake it up with alcohol.hehe
just my 2c

Hayden

Edited by Drag lc, 15 April 2009 - 07:34 AM.

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#29 _threeblindmice_

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Posted 15 April 2009 - 09:13 AM

Wot the , I had a head like that , had to shave the bottom of the thermostat housing to get the head to sit on the block ,and run adjustable push rods ,your a madman Craig , it will make the wagon a sleeper.

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#30 wot179

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Posted 15 April 2009 - 06:13 PM

i was waiting for someone to say something about the yesteryear port work had this conversation with another forum member over this head. imagine how responsive down low it would be with intakes and zorsts like that? prolly need 14.to 1 to wake it up with alcohol.hehe
just my 2c

Hayden

If I elect to use this head on an engine,it will be for drag race use only,so will only have wide open throttle.Big comp is not a problem,I was thinking more 13:1 than 14:1 though.And alcohol of course.
My question is ,is this head still unsuitable for this application?

Ive done the smallblock thing,but I've always wanted a stink hot red in a light(less than 1000 kg)sedan with a stickshift.
A mid 11 is the aim,and,yes,I know that I've got my work cut out for me,but what the hell,ya cant take it with you.

All responses are appreciated,so dont keep it to yourself.

I want to know what you think ,especially from the hardcore horsepower brigade.

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#31 _Pro_

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Posted 15 April 2009 - 10:14 PM

mmmmm methanol - i can smell it now.

does it make you horny baby....?

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#32 greens nice

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Posted 15 April 2009 - 10:32 PM

Mid 11? u must have a deeeeep wallet.

Edited by greens nice, 15 April 2009 - 10:34 PM.

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#33 wot179

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Posted 15 April 2009 - 10:41 PM

Mid 11? u must have a deeeeep wallet.

Got plenty of research to do anyway.

And a light car with a stickshift should help.

There are a lot of informative threads on this site when you start to look around.

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#34 _Pro_

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Posted 16 April 2009 - 12:10 AM

that head would be great for a turbo or gas application - use dish pistons to lower the CR and save the closed chamber head for better swirl and squish properties.

it's an old N20 trick to make the exhaust ports flow 100% of the intake ports.

it's something i'll be trying out on my 202 personally - not touhing the inlets other than a clean up and porting the fudge out fo the exhausts, esp around the short turn.

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#35 _Drag lc_

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Posted 16 April 2009 - 07:32 AM

i agree with greens nice i sure as hell dont think you carnt do it but would cost a fair amount i would imagine.

Thanks hayden

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#36 warrenm

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Posted 16 April 2009 - 08:58 AM

Jim Rowley ran 12.2 with a manual Holden 6 in an LC/LJ many years ago so I can't see why that can't be improved on with todays technology. I can see a challenge here.
Warren

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#37 _threeblindmice_

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Posted 16 April 2009 - 09:14 AM

Craig , I have two copper de-compression plates for a red , on the shelf if you need them .

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#38 greens nice

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Posted 16 April 2009 - 01:21 PM

Jim Rowley ran 12.2 with a manual Holden 6 in an LC/LJ many years ago so I can't see why that can't be improved on with todays technology. I can see a challenge here.
Warren

yer he also broke a few blocks, in a harrops howler document, it talks about how he couldnt get past that 12.2, no matter what he did.
my old man just ran a 12.3 on a back off in a fj, it is definitely possible to run an 11 with a cast head and without methanol but it WILL cost you.

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#39 _Pro_

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Posted 16 April 2009 - 03:21 PM

why not just grout fill the block up to the bottom of the water pump inlet and have a mains cap brace made up? that'd stiffen things up a bit.

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#40 wot179

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Posted 16 April 2009 - 04:08 PM

Jim Rowley ran 12.2 with a manual Holden 6 in an LC/LJ many years ago so I can't see why that can't be improved on with todays technology. I can see a challenge here.
Warren

The grapevine tells me that this engine is available for sale....still.Maybe I should just go and grab it and stick it in something lighter than an LC?
Last I saw,it was in a HQ sedan,I think it ran in the high twelves.This was at the old eastern creek track some years ago.

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#41 wot179

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Posted 16 April 2009 - 04:13 PM

I'm pretty sure there is a streetdriven gemini panelvan with a red in it in QLD running mid 12s.So an 11 with some more comp and methanol should only be a hop,skip and a jump from there(He says optimistically)

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#42 greens nice

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Posted 16 April 2009 - 06:13 PM

I'm pretty sure there is a streetdriven gemini panelvan with a red in it in QLD running mid 12s.So an 11 with some more comp and methanol should only be a hop,skip and a jump from there(He says optimistically)

That gemi is always racing at warwick, got triple su's on it, goes bloody hard. its driven by an old lady too! gemini's are very light as well.

I'd jump on that engine if i were u

Edited by greens nice, 16 April 2009 - 06:14 PM.

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#43 _Bomber Watson_

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Posted 16 April 2009 - 06:48 PM

Finally someone followed through with what i hinted at way up the top.

Head looks completely useless.

Put it on a flow bench, see what it says.

Next time i'll be less discrete.

Cheers.

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#44 _Drag lc_

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Posted 16 April 2009 - 06:59 PM

Hey Greens nice,
that gemini in question isnt it the wife of the bloke with the little supercharged holden 6 t bucket "panic"?.
Thanks hayden

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#45 wot179

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Posted 16 April 2009 - 07:13 PM

I ain't real bright,Bomber,so don't worry about discretion.

Just give me the goods,DONT HOLD BACK

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#46 greens nice

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Posted 16 April 2009 - 09:03 PM

I ain't real bright,Bomber,so don't worry about discretion.

Just give me the goods,DONT HOLD BACK

I would put the little metal sleeve thingo's back in the intake ports :tease:

, dad reckons removing them makes em lose torque
but they loooooovve to rev without em in there, u choose

Hey Greens nice,
that gemini in question isnt it the wife of the bloke with the little supercharged holden 6 t bucket "panic"?.
Thanks hayden

sure is, but idk whats happened to it, at the last nostalgia's he took that motor and put it in another guys rail

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#47 _Bomber Watson_

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Posted 16 April 2009 - 09:07 PM

I dont see how putting a restriction in there will affect torque. The only way to get torque back with that head will be to get air speed back, which means to put a heap more metal back in or rev it to 100,000rpm to get the speed back up.

I really would like to see what this head would do on a flow bench though. But yeah i think you will be starting again honestly.

But hey, im a real amateur here, other guys on here know a lot more than me.

Cheers.

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#48 _Drag lc_

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Posted 17 April 2009 - 07:55 AM

PRO,
you mean do something like this? grout filled to bottom od welsh plugs and main cap girdle
Posted Image

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#49 warrenm

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Posted 17 April 2009 - 09:09 AM

yer he also broke a few blocks, in a harrops howler document, it talks about how he couldnt get past that 12.2, no matter what he did.
my old man just ran a 12.3 on a back off in a fj, it is definitely possible to run an 11 with a cast head and without methanol but it WILL cost you.

Thats what I was getting at with todays technology.
Mark & Lynne Stewart own the altered "Panic" & the Gemini wagon.The Gem was running 8.0 (1/8th mile)at the 6 banger nats at Warwick last September on petrol.
That motor that Jim Rowley has was advertised at the Nostalgia meet at WSID for $6000.I haven't got a contact for him but I can get it if anyone is interested.
Warren

Edited by warrenm, 17 April 2009 - 09:21 AM.