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 V4 engine rebuild - 1730 + trick-bits
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 18 Mar 2013 :  22:40:17 Show Profile Reply with Quote
has anyone tried removing and replacing the corroded steel water pipes in the back of the block?

If so.... how and what did you replace them with?
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Woody
V4 Guru

United Kingdom
2377 Posts

Posted - 19 Mar 2013 :  00:17:37 Show Profile Reply with Quote
No I don't.
Saab don't list them as replaceable, neither do Motomobil.

It is a question for an Engine shop. Ford got them in there somehow so you would expect them to be replaceable.

Correction:- Mis-read the parts book, Saab do list them -8810962 Water Pipe Inlet , Qty 2. Item 8 below:


Edited by - Woody on 19 Mar 2013 00:50:13
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 24 Mar 2013 :  18:23:36 Show Profile Reply with Quote
Just thinking......

I got a set of steel/alloy timing gears from Malbrad, as they don't get any lubrication from the oil system do them need a bit of grease or graphegen when fitting them?
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Aero-Eng
V4 Beginner

52 Posts

Posted - 24 Mar 2013 :  23:13:25 Show Profile Reply with Quote
That's why SAAB/Ford fitted a fibre wheel. But oh, no, you can't just agree with the design Engineers can you....

Looking good!
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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 25 Mar 2013 :  08:04:09 Show Profile Reply with Quote
The timing set has a dedicated oil feed, the oil is supplied under pressure through a angular hole in the block to the gears and drains back to the sump. The oilways will need cleaning and clearing with compressed air.
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 25 Mar 2013 :  09:33:43 Show Profile Reply with Quote
Thanks Hillbilly I shall check it out and ensure it works.
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 28 Mar 2013 :  10:25:59 Show Profile Reply with Quote
Core plugs fitted


Crank fitted


Pistons - old/new


All going well until the new conrod bolts were missing! Tracked them down at the balancers - had to go over and pick them up. Fitting the pistons did not go well and I managed to bend a oil control ring!!! arrgghhhhhhhhh! The oil control rings on these new nural pistons are wafer thin. now need a replacement.
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 01 Apr 2013 :  22:17:06 Show Profile Reply with Quote
pistons are in and new metal timing gears from Malbrad fitted


To fix the issue with open-deck heads on a closed-deck block, I had the head welded up to fill the cut out on the open-deck heads (marked by black pen)

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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 02 Apr 2013 :  21:09:19 Show Profile Reply with Quote
looking good.
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 02 May 2013 :  22:40:56 Show Profile Reply with Quote
as usual - 1 step forward 2 steps back!!!

the big high flow V6 oil pump didn't fit in sump so a little 'fettling' was required!!!



almost ready to go in! hopefully this weekend

[URL=http://s1270.photobucket.com/user/TTruckie/media/IMG_2320_zps8447e613.jpg.html][/URL]
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Aero-Eng
V4 Beginner

52 Posts

Posted - 06 May 2013 :  23:38:29 Show Profile Reply with Quote
Looking good. Found any bolts left over yet?
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 14 May 2013 :  18:37:59 Show Profile Reply with Quote
loads of bolts and other things..... including a 'spare' core plug!!!!

as they say 1 step forward and umpteen back!!!

Finished the engine, fitted it, connected everything up. Pressure tested the pistons (160-170 PSI). last thing to do was to fill it up with water....

in went the very expensive coolant and then out poured the coolant!! as fast as i could top it up, it pee'd out the bottom from the flywheel area. I looked at my spare engine (1967) to see what what wrong.... nothing was obvious.

After much head scratching I had to disconnect everything and pull the engine - diary simply says bugger! As soon as the engine was out I could see a core plug sized hole behind the flywheel that was bereft of a core plug! 45 mins later core plug fitted and engine ready to go back in.

What else will I find...........
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TTruckie
V4 Fanatic

United Kingdom
277 Posts

Posted - 14 May 2013 :  22:28:56 Show Profile Reply with Quote
missing core plug!
[URL=http://s1270.photobucket.com/user/TTruckie/media/IMG_2338_zpsb2b5a5fe.jpg.html][/URL]

in and out
[URL=http://s1270.photobucket.com/user/TTruckie/media/IMG_2323_zpse8b180df.jpg.html][/URL]
ps the rocker covers are not final - used old ones as chain rubs.

Edited by - TTruckie on 14 May 2013 22:30:45
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hillbilly
V4 Fanatic

United Kingdom
225 Posts

Posted - 15 May 2013 :  20:04:29 Show Profile Reply with Quote
That engine looks great, I hope everything is ok now.
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Aero-Eng
V4 Beginner

52 Posts

Posted - 17 Jun 2013 :  22:23:05 Show Profile Reply with Quote
Good article in the SAAB OC Driver! You didn't mention you were having to build a new engine though...!

;)



"STIG" '71 Sonett III, "SIGNILDA" '62 Bullnose 95, 9-5 Aero
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