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Head and main studs 
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Joined: Sat Sep 26, 2009 10:55 am
Posts: 577
Location: Adelaide
Car(s): BA Falcon, 68 Bellett
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To the performance gurus.
Has anyone replaced the main and head bolts with studs.
If so what ones did you use, since Bellett ain't listed ;)

Cheers
Rob

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Tue Nov 29, 2016 6:32 am
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Joined: Thu Nov 04, 2010 9:30 am
Posts: 421
Car(s): Alfa 33, 1935 Riley Special
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Rob.
When we were blowing head gaskets for a pastime, we put quite a bit of effort getting good studs.
Eventually using these, which have been fine.
Don't forget though, they are for the G161SS SOHC unit, they also work for the 1800.

The ARP numbers are...

10 x studs part number AUS.275-2LB

10 x Washers AUW 750

10 x Nuts AUN12-1

Attachment:
IMGP3652.jpg
IMGP3652.jpg [ 3 MiB | Viewed 1107 times ]


Any use?


Wed Nov 30, 2016 11:45 am
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Joined: Sat Sep 26, 2009 10:55 am
Posts: 577
Location: Adelaide
Car(s): BA Falcon, 68 Bellett
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Mark,

Thats brilliant, awesome in fact.
I will check to see if the head thickness between the two engines are the same, as i have both engines in the shed up north.

Cheers
Rob

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Wed Nov 30, 2016 8:36 pm
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Joined: Tue May 10, 2011 2:23 am
Posts: 2495
Location: Melb.
Car(s): '72 Sport Bellett (imported 180912), had Belletts in past, 2 sed, 3 GT's. M/B A250 Sport, i30
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Pombellett wrote:
Rob.
When we were blowing head gaskets for a pastime, we put quite a bit of effort getting good studs.
Eventually using these, which have been fine.
Don't forget though, they are for the G161SS SOHC unit, they also work for the 1800.


Attachment:
IMGP3652.jpg


Any use?


Mark for interest sake, my G180ss engine number is 349720. About 30,000 later than yours. My car was made ~ May 1972. (or at least, 1st reg'd then.)

Interesting your oil filter points down though, mine is on top, swept back at a small angle.

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'72 PR60 Sport


Thu Dec 01, 2016 1:11 am
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Joined: Tue Sep 16, 2008 11:54 am
Posts: 2406
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Glenn wrote:
Pombellett wrote:
Rob.
When we were blowing head gaskets for a pastime, we put quite a bit of effort getting good studs.
Eventually using these, which have been fine.
Don't forget though, they are for the G161SS SOHC unit, they also work for the 1800.


Attachment:
IMGP3652.jpg


Any use?


Mark for interest sake, my G180ss engine number is 349720. About 30,000 later than yours. My car was made ~ May 1972. (or at least, 1st reg'd then.)

Interesting your oil filter points down though, mine is on top, swept back at a small angle.

That's because his filter housing is on upside down....
I'd be checking that Mark. Off my head I can't remember if the internal passaging was a mirror image inside, but I know it can be bolted on either way. If the passaging isn't correct, that could be a disaster.

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Thu Dec 01, 2016 6:31 am
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Joined: Tue May 10, 2011 2:23 am
Posts: 2495
Location: Melb.
Car(s): '72 Sport Bellett (imported 180912), had Belletts in past, 2 sed, 3 GT's. M/B A250 Sport, i30
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PR91 wrote:
Glenn wrote:
Pombellett wrote:
Rob.
When we were blowing head gaskets for a pastime, we put quite a bit of effort getting good studs.
Eventually using these, which have been fine.
Don't forget though, they are for the G161SS SOHC unit, they also work for the 1800.


Attachment:
IMGP3652.jpg


Any use?


Mark for interest sake, my G180ss engine number is 349720. About 30,000 later than yours. My car was made ~ May 1972. (or at least, 1st reg'd then.)

Interesting your oil filter points down though, mine is on top, swept back at a small angle.

That's because his filter housing is on upside down....
I'd be checking that Mark. Off my head I can't remember if the internal passaging was a mirror image inside, but I know it can be bolted on either way. If the passaging isn't correct, that could be a disaster.


I thought it was upside down also, initially, but 1 hole is staggered (top hole is further back from front edge) so you can't actually do that. The internal passages are different too, so it much be another version for that engine. Mine is also different in that one of the plugs is in the end. The filter would need to be the short one also, to fit. Mine is a longer Z145A.

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'72 PR60 Sport


Thu Dec 01, 2016 8:49 am
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Joined: Thu Nov 04, 2010 9:30 am
Posts: 421
Car(s): Alfa 33, 1935 Riley Special
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Hmmm, good spot boys.

I don't remember deliberately flipping the housing when we put the engine together, and combine this with the fact that this engine has now done four races without issue, points at it being OK.

Don't forget this unit came from a Chevvy LUV in the States....could that have something to do with it?


Thu Dec 01, 2016 10:12 am
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Joined: Tue May 10, 2011 2:23 am
Posts: 2495
Location: Melb.
Car(s): '72 Sport Bellett (imported 180912), had Belletts in past, 2 sed, 3 GT's. M/B A250 Sport, i30
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Pombellett wrote:
Hmmm, good spot boys.

I don't remember deliberately flipping the housing when we put the engine together, and combine this with the fact that this engine has now done four races without issue, points at it being OK.

Don't forget this unit came from a Chevvy LUV in the States....could that have something to do with it?


Hi Mark, yes i think that's the answer for sure. I would bet that a std SOHC engine oil filter casting can't be fitted upside down because of the offset bolt..

Looks like your oil feed to the timing chain tensioner comes off the block too, mine comes out of the oil filter casting.

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Thu Dec 01, 2016 9:55 pm
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