paul_davies

Hi,

I've just fitted a set of headers to my car and apart from the obvious difference in noise there seems to be a huge gain in torque but the point where it reaches full boost has gone up from 3500 to nearer 4000. Is this expected??

Spec of my car is:
MY99
3 inch de cat full system
New age TMIC
TD05 with front entry
Induction mods
and equal length headers

Any advice appricated.

Thanks
Paul.

p1mark

exactly what i found on a P1 still runing a standard VF28. Spool noticeably later, but a bigger hit of torque.

A lot depends on the header/uppipe diameter, for smallish turbos producing less than 350 BHP I think you will struggle to beat a set of ported standard headers for all round driveability. Over this time to start thinking about tubulars.

What make headers/uppipe do you have on?

paul_davies

Cheap OBX style ebay ones. look exactly the same, same diameters and joints but they were a complete biatch to fit and now the turbo sits a little rotated.

p1mark

Send your o.e ones off to Harvey to have them ported.

By the time they come back the OBX will probably be falling to bits anyway!

paul_davies

Oh... Where abouts do they break??

FB Tuning

iTrader: (30)

PD - Let me know if you want the cast ones ported nicely

paul_davies

Will do, would just hope the ones I have on there at the mo last as it fookin flies!! will call you soon.....before it breaks