Was headwork, now suspension, meaning of life next....

[Evogone]

Im changing the headgasket and whilst the heads off wondered whats the recommended level of headwork for a std TB car ? should i look to match the inlets and smothout out the TB itself aswell ?

I believe the car has had some porting but dont know until i take it off plus the cams are Spyder cup spec (dont know any details) they are not std as it pulls to the 7900rpm limit.

Thanks for sharing any expertise or experience.

[Richardcard1974]

Not worth the expense in my opinion.

[J o n]

as above, but if you do want headwork speak to Omex (specifically Andy) or Neil Roper imo

[eternalife]

Port-Formance

[Evogone]

Not worth the expense in my opinion.

Why not ? on all my previous car i have made 20-25hp just through working the head, "cnc heads/ric wood" are very good. 1.9 205 / 16v redtop etc...

There must be gains to be had....?

[J o n]

Steve, DO NOT touch Ric Wood, he's absolutely ****ing useless... he's local to me and worked on a few of my mates cars... horror stories tbh and expensive bills!

[Evogone]

Steve, DO NOT touch Ric Wood, he's absolutely f***king useless... he's local to me and worked on a few of my mates cars... horror stories tbh and expensive bills!

Thanks for the info, who is recommended ?

APD ??

[Richardcard1974]

Not worth the expense in my opinion.

Why not ? on all my previous car i have made 20-25hp just through working the head, "cnc heads/ric wood" are very good. 1.9 205 / 16v redtop etc...

There must be gains to be had....?

Because of the simple fact that the williams head is already well made and it cannot be ported to give major gains.


25 bhp is fantasy island territory for a williams for headwork.

With mild cams and headwork you will make realistically about 15 -20 bhp

Most williams in this spec will be running about 170 - 175 bhp. A rebuild will probably give you another few bhp on top of that.

At most youll get circa 5 bhp from porting. You can get more from changing the valves sizes, but stan will know more about this than me.

[Richardcard1974]

Steve, DO NOT touch Ric Wood, he's absolutely f***king useless... he's local to me and worked on a few of my mates cars... horror stories tbh and expensive bills!

Thanks for the info, who is recommended ?

APD ??

APD and Nick Hill are two amongst others.

[J o n]

Steve, DO NOT touch Ric Wood, he's absolutely f***king useless... he's local to me and worked on a few of my mates cars... horror stories tbh and expensive bills!

Thanks for the info, who is recommended ?

APD ??

Andy Cutler, Neil Roper are both exceptionally good at headwork, but I'd look at rods and pistons as well if you are going for a bigger valve head.