105 tyre pressures and fuel?

Clive Minchin

Newbie

AROCA Division: Victoria
Posts: 19

105 tyre pressures and fuel?

« on: March 27, 2008, 07:24:51 PM »

Hi All,
I just bought a 1974 gtv 2000 105. What is the right tyre pressure for them for general road use - car is yet to arrive but from memory it is on standard looking tyres?

Also, what is the right octane fuel to use - premium or unleaded? Last owner used premium but does this mean it was converted to run on unleaded/premium rather than leaded?

Clive


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1974 Red Alfa 105 2.0 GTV

sportscar

Newbie

AROCA Division: Victoria
Posts: 40

Re: 105 tyre pressures and fuel?

« Reply #1 on: March 27, 2008, 08:50:59 PM »

Hi Clive , nice car!
I put some air in my tyres the other day, 30 psi is suitable .Premium unleaded is better for an older engines like yours .There is an additive you can buy to give upper lube to your valves. cheers Jason


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Phil Baskett

Alfa2010
Hero Member

AROCA Division: Victoria
Posts: 647

Re: 105 tyre pressures and fuel?

« Reply #2 on: March 28, 2008, 08:51:13 AM »

I have found the 95 octane to be the happy medium in my road car, it doesn't ping under load and it tends to give better economy than the 91 octane. The additive is not necessary in Alfa's, this stuff was designed for the dinosaur technology cast iron heads that use poor valve guide's.


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1977 Alfetta GTV Group S - Race car
2008 WRX - Road car

madram

Newbie

AROCA Division: Queensland
Posts: 7

Re: 105 tyre pressures and fuel?

« Reply #3 on: May 08, 2008, 06:47:00 AM »

I'm running 32 psi all round on my 1972 Spider (185x70 tyres). A quick poll of other AROCA-Qld members a few months ago revealed 105 owners were running generally in the low 30s, unless they were doing track work, in which case they were running much higher.


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Madram [AROCA-Qld Webmaster]

Current: 1972 2L Spider Veloce
Former: 1988 Alfa 75 2.5L Auto (x2)
1987 Alfa 33 1.5L Super
1978 Alfasud Ti

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