Author Topic: 75 3litre cleanup  (Read 24273 times)

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gergory

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75 3litre cleanup
« on: October 22, 2011, 08:38:33 PM »
I recently purchased this 1988 3litre from sydney..........my son and I drove it back to melbourne and during
the drive realised that a lot of work had to be done.
the car was essentially all there and only had very minor rust (this was found when we stripped and removed the engine.)The rust is in a common place on most 75's  in the valance panel where the fresh air intake is.
I stripped back all the sealer and lee from EXTREME BODY REPAIRS cleaned and repaired the surface rust, luckily it was only surface
rust, left much longer and it would have been a very difficult job to repair.

As you can see in the photos I have removed all the ancillaries off the engine and generally cleaned the block.
I have put a kit in the detensioner (yes I am leaving it oil fed) and will put on a new waterpump.

I have also removed all the injectors and will have them cleaned and put the original 7.5mm (as apposed to the 5/16th) fuel hose so it will look the
same as factory (I hate those aftermarket fuel hose clamps!!!!!!!!!!!!)

The rear main seal was replaced while the engine was out
I have removed the airconditioner

« Last Edit: October 26, 2011, 01:46:32 PM by gergory »
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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Re: 75 3litre cleanup
« Reply #1 on: October 22, 2011, 08:56:38 PM »
engine out and ready to fix a few things
I have ordered nolothane intake runners from highperfomance as the original ones are well worn
ordered a new oil sender and oil warning sensor (these generally leak after a few years and can be misdiagnosed as a leaky rear main)
« Last Edit: October 22, 2011, 09:43:09 PM by gergory »
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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Re: 75 3litre cleanup
« Reply #2 on: October 22, 2011, 09:03:19 PM »
first pic shows rear main before replacement...............these are a real pain to remove!!!!!!!!!
second pic shows the rack...........I am considering making this a manual rack similar to greg gordons (highperformance) simply loop the supply and return lines and pack the rack with grease.
« Last Edit: October 22, 2011, 09:45:00 PM by gergory »
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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Re: 75 3litre cleanup
« Reply #3 on: October 22, 2011, 09:11:44 PM »
first pic I have removed all trims ready for repainting..............I am not painting the body.
The body will be cut back and polished.............hopefully it will come up ok.

second pic indicates the painted engine bay
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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Re: 75 3litre cleanup
« Reply #4 on: October 22, 2011, 09:15:06 PM »
first pic
lee and dennis at EXTREME BODY REPAIRS

second pic
another car waiting for a resto
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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Re: 75 3litre cleanup
« Reply #5 on: October 22, 2011, 09:21:45 PM »
some more pics at EXTREME BODY REPAIRS
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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  • Posts: 91
Re: 75 3litre cleanup
« Reply #6 on: October 22, 2011, 09:27:09 PM »
UPDATE 75
We removed and renewed headlining and fixed the sunroof.
ordered new engine pipes, tie rod ends, new engine mounts
changed the cambelt and bought new rear  muffler
pic shows my gtv..............a lot easier to do a cambelt in the 75
« Last Edit: October 22, 2011, 10:19:40 PM by gergory »
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

shiny_car

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Re: 75 3litre cleanup
« Reply #7 on: October 22, 2011, 09:47:04 PM »
Good to see the car and the work you're doing!

:)
Giulietta QV TCT . 1.75 TBi . Magnesio Grey - Black
GT . 3.2 V6 . Q2 . Kyalami Black - Red
75 . 3.0 V6 . Alfa Red - Grey

Duk

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Re: 75 3litre cleanup
« Reply #8 on: October 23, 2011, 09:27:15 AM »
NICE!

ANG156

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Re: 75 3litre cleanup
« Reply #9 on: October 23, 2011, 09:30:28 PM »
I've only ever seen another 75 with those cracks in the front chassis. Good work anyhow.

This might be the perfect opportunity to dress up the motor. Give the aluminium a good clean (high pressure water) and maybe get some bolts plated. It will really bring some life back to the engine bay

gergory

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Re: 75 3litre cleanup
« Reply #10 on: November 05, 2011, 08:24:02 PM »
did some more work on the engine
plated some components and painted headers
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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  • Posts: 91
Re: 75 3litre cleanup
« Reply #11 on: November 05, 2011, 08:26:19 PM »
additional pics
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

gergory

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  • Posts: 91
Re: 75 3litre cleanup
« Reply #12 on: November 05, 2011, 08:30:05 PM »
more
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6

shiny_car

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Re: 75 3litre cleanup
« Reply #13 on: November 05, 2011, 08:52:08 PM »
The plating looks great! My PS 'cooling' pipes have surface corrosion; can't do the same as you without draining the messy PS fluid, so I'll just have to clean and paint mine instead.

A nice clean engine you have! What coating is on the manifolds?

:)
Giulietta QV TCT . 1.75 TBi . Magnesio Grey - Black
GT . 3.2 V6 . Q2 . Kyalami Black - Red
75 . 3.0 V6 . Alfa Red - Grey

gergory

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Re: 75 3litre cleanup
« Reply #14 on: November 12, 2011, 08:12:50 PM »
new intake runners
as you can see I have used 7.5mm fuel hose which does not require those ugly
little clamps.
Intake runners from Greg Gordon in the States.
« Last Edit: November 12, 2011, 08:24:13 PM by gergory »
CURRENT  75 3 LITRE
GTV 2001 3 LITRE
SAAB 9-3 3DOOR
PREVIOUS 33 P4
GRAND PRIX
156 MONZA
GTR XU1
GTHO
MONARO 327
CARLOS SAINZ GRP A 4WD
HSV CLUBSPORT
XU6