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Leaking coolant at the head

Tech Talk for Rover owners.

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Leaking coolant at the head

Post by Nice_Surf »

I have just noticed that I have cooant leaking around #2 which is on the drivers side closest to the radiator. :puppydogeyes:
I was wondering if this is an easy fix or is it a matter of getting a new pair of heads.??
If it comes to it that I need to replace the heads will a pair of heads off a 3.5 carb from about a 78 model fit and what would be the pros and cons??

Trav
'91' Dual Cab Hilux
'07' Suzuki GSX1400
'82' Suzuki PE250Z
What more do I need
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Post by bigbad »

May just need head gaskets. The heads would need checking for warping and maybe skimming. From 76 the heads had the larger valves, until the bigger ports on the 10 bolt heads.
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Post by armbrup »

Trav,Odds are its the head gasket.
Same happened to my 3.9.
I think the heads may get a bit of a downward warp in the middle and it flows from the waterway at the end of the head/block.

Regards Philip A
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Location: Somewhere in Mexico ;D

Post by Nice_Surf »

Okay but the coolant is around the spark plug itself in the plug recess which is whats got me worried :?
Oh yeah she has also done almost 290000kms :roll:
Last edited by Nice_Surf on Tue Feb 05, 2008 8:23 pm, edited 1 time in total.
'91' Dual Cab Hilux
'07' Suzuki GSX1400
'82' Suzuki PE250Z
What more do I need
Top
Posts: 71
Joined: Thu Sep 02, 2004 9:56 pm
Location: Somewhere in Mexico ;D

Post by Nice_Surf »

bigbad wrote:May just need head gaskets. The heads would need checking for warping and maybe skimming. From 76 the heads had the larger valves, until the bigger ports on the 10 bolt heads.
So will they fit or not as I'm curious to know and is there any power/performance gain from this at all or not ??
I'm new to Rangies so I just need a bit of help at the moment.

Trav
'91' Dual Cab Hilux
'07' Suzuki GSX1400
'82' Suzuki PE250Z
What more do I need
Top
Posts: 176
Joined: Sat Jun 16, 2007 8:18 am
Location: New Zealand

Post by bigbad »

all rover heads are interchangeable. before 76 had smaller valves, later 10 bolt heads (4.0,4.6) had bigger ports and are skimmed to give the compression back after adding composite gaskets.
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Posts: 71
Joined: Thu Sep 02, 2004 9:56 pm
Location: Somewhere in Mexico ;D

Post by Nice_Surf »

Thats cool cause I was thinking if I can get these heads off a wreck I know of cheap enough I might get them and reco them then I can just swap them over and keep driving it when needed.
'91' Dual Cab Hilux
'07' Suzuki GSX1400
'82' Suzuki PE250Z
What more do I need
Top
Posts: 66
Joined: Tue Jan 22, 2008 3:30 pm
Location: Central Coast NSW

Post by armbrup »

Well that is different. Never seen that one.
Maybe corroded through due to no coolant in the past.
New heads will fix, but who knows until you pull it out and have a good look.
Regards Philip A
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Location: St Helena, Melbourne.

Post by Loanrangie »

Nice_Surf wrote:Thats cool cause I was thinking if I can get these heads off a wreck I know of cheap enough I might get them and reco them then I can just swap them over and keep driving it when needed.
Post 81/82 heads off the hicomp motors have larger valves, i wouldnt use the 76 heads unless you had to.
Saddle up tonto, its the not so loanrangie! . 98 TDI DISCO lightly modded with more to come.
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Posts: 71
Joined: Thu Sep 02, 2004 9:56 pm
Location: Somewhere in Mexico ;D

Post by Nice_Surf »

Well I picked up a set of 3.5 heads from about a 82 I think it was for $100- the pair and this bloke had a few bits around as well so I'll be getting some more stuff off him later.

Thanks for your help.

Trav
'91' Dual Cab Hilux
'07' Suzuki GSX1400
'82' Suzuki PE250Z
What more do I need
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