G'day all,
due to afew reasons, including not enough info about drilling oil hole (e.g depth and angle) and not liking the fact the rocker arms have to be shimed (and no idea how much)I'm thinking of just fitting the original P76 heads. whats the disadvantage? I was thinking of drilling the mounting holes for the alternator, pwr steer and Ac and tapping them myself so that wouldn't be an issue.
thoughts please
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3.5 heads Vs P76 heads
Moderator: Micka
3.5 heads Vs P76 heads
[i]DAS[/i]
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
P76 heads are the same internally as early Range Rover heads. They have smaller inlet valves than the Rangie heads after 1976???
So you may lose a bit up high.
The P76 engine was designed for a still born Rover competitor to Jaguar in the early 70s. When Jaguar and Rover joined Jaguar killed the V8.
Regards Philip A
So you may lose a bit up high.
The P76 engine was designed for a still born Rover competitor to Jaguar in the early 70s. When Jaguar and Rover joined Jaguar killed the V8.
Regards Philip A
If thats the case i think I'll save myself alot of trouble and just drill new mounting holes and tap threads and just use the P76 heads
my RR is 84 so I will measure the inlet valve sizes and see, but really its a daily driver and the extra pwr of the 4.4 over the 3.5 will be enough surely
my RR is 84 so I will measure the inlet valve sizes and see, but really its a daily driver and the extra pwr of the 4.4 over the 3.5 will be enough surely
[i]DAS[/i]
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
MY05 4.4L V8 Range Rover Vogue
Series 2a Buggy....In the Building
Hi DAS
McNaughton Engine Reconditioning at Wallsend near Newcastle.au will do the drilling for you if you choose to go down that road.
If I remember he charged me $40 per head to do it. He knows the P76 well as he builds hill climb race engines out of them. I used post 86 heads to get the bigger valves and a mild cam. You can to use the RR push rods as they have oil holes drilled down the centre for addtional lubrication via the lifters, cant remember what rockers to use though.
If I remember correctly the blokes name is Darren Mcnaughton and his phone number is: 02 49501640
address: 18 council road Wallsend .
Cheers
Cappy
McNaughton Engine Reconditioning at Wallsend near Newcastle.au will do the drilling for you if you choose to go down that road.
If I remember he charged me $40 per head to do it. He knows the P76 well as he builds hill climb race engines out of them. I used post 86 heads to get the bigger valves and a mild cam. You can to use the RR push rods as they have oil holes drilled down the centre for addtional lubrication via the lifters, cant remember what rockers to use though.
If I remember correctly the blokes name is Darren Mcnaughton and his phone number is: 02 49501640
address: 18 council road Wallsend .
Cheers
Cappy
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