19 replies to this topic

[sibhs]

Hi guys,
I'm about to send these manifolds and carbie off for works. Before I spend my hard earned on the wrong bits can anyone confirm they look right for a 73 GTR. Not worried about numbers, just looks and hose holes on manifold etc.
thanks
Marty

[Ice]

What are you having done to them marty

[sibhs]

Cleaned and faced. Ports matched to head.

[Ice]

I see i thought you might be getting them sand blasted

[sibhs]

Is there anything wrong with sand blasting. I think they'll sandblast the exhaust, then I have a cast iron heatproof paint to use. Looks very original.
Was also getting the carbie rebuilt. I think they can make the throat larger too, or something like that.
Marty

[Ice]

Nothing wrong with sand blasting them manifolds ive done a couple before no probs at all

[sibhs]

Thanks John, puts my mind at ease.
You rock!
Marty

[frash da bucket]

Hi Marty,

 

The intake manifold on a 73 GTR was different to a 72 GTR.

Once carby is removed off the intake,the diameter of the under side of carby was much bigger and so was the manifold too,i do think the carby that was on mine was a BVX-3 carby,i will ring up and check for you.

The GTR carby and manifold of a 72 is the same as a HQ.

The photo you put up marty your carby and manifold is a 72 HQ and 72 GTR.

 

Regards John.

[Dr Terry]

Hi Marty,

 

The intake manifold on a 73 GTR was different to a 72 GTR.

Once carby is removed off the intake,the diameter of the under side of carby was much bigger and so was the manifold too,i do think the carby that was on mine was a BVX-3 carby,i will ring up and check for you.

The GTR carby and manifold of a 72 is the same as a HQ.

The photo you put up marty your carby and manifold is a 72 HQ and 72 GTR.

 

Regards John.

Hi John.

 

My paperwork says that they changed from the BXUV-2 carby to the larger BXUV-3 carby on HQ & LJ 6-cyl motors in July/Aug 73. So prior to Jul 73, carbies & inlet manifolds will the same as 72 built cars.

 

Dr Terry

[sibhs]

Hi Marty have just had all that done to our GTR ie: blasted inlet manifold,ceramic coated exhaust manifold,had carby totally rebuilt (PRO CARB TASMANIA)zinc coated manifold bolts and stuff . You won't be disappointed with the end result.Will post a pic tonight. Cheers Ronnie.

Thanks Ronnie, that looks awesome, just what I'm after. What carbie is that?

 

Hi Marty,

 

The intake manifold on a 73 GTR was different to a 72 GTR.

Once carby is removed off the intake,the diameter of the under side of carby was much bigger and so was the manifold too,i do think the carby that was on mine was a BVX-3 carby,i will ring up and check for you.

The GTR carby and manifold of a 72 is the same as a HQ.

The photo you put up marty your carby and manifold is a 72 HQ and 72 GTR.

 

Regards John.

Hi John, you learn something new everyday.  I think this is what the engine builder has suggested doing, boring out the carbie and manifold.

 

Cheers

Marty

[S pack]

^^^ The manifold and carby was changed for ADR 27. So look for a carb and inlet manifold from an original 202 LJ or HQ built after 30/09/1973. 

[Dr Terry]

^^^ The manifold and carby was changed for ADR 27. So look for a carb and inlet manifold from an original 202 LJ or HQ built after 30/09/1973. 

An LH or HJ one will also do the job, they only differ slightly to allow for the cable throttle. The other specs remained the same.

 

Dr Terry