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Author ported and polished head
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
5th Sep 05 at 15:59   View User's Profile U2U Member Reply With Quote

how much would one be worth, c16xe. taken back to the limits, so rather large ports etc
Stu_22
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Registered: 25th Mar 02
Location: Luton
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5th Sep 05 at 16:42   View User's Profile U2U Member Reply With Quote

you selling or buying
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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5th Sep 05 at 16:44   View User's Profile U2U Member Reply With Quote

selling. the valve seals have gone, but been told they arent expensve to replace. also its still on the car 2 of the head bolts sheared off, so gonna drill them out later in the week
Stu_22
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Registered: 25th Mar 02
Location: Luton
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5th Sep 05 at 17:09   View User's Profile U2U Member Reply With Quote

£150 - 200 i'm not sure
Who did the work and what exactly was done and replaced
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
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5th Sep 05 at 17:11   View User's Profile U2U Member Reply With Quote

im not sure, it was done when i bought the car. but all the rest of the stuff was either bought by or done by SBD, and the guy i bought the car off said something about it being a SBD group N head? it had all standard cams etc in though
broster
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Registered: 6th Dec 02
Location: Drives: E39
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5th Sep 05 at 17:22   View Garage View User's Profile U2U Member Reply With Quote

grp n means normal, it wont be modified just blueprinted maybe, made to the best tollerances that it was oriinally designed to be.
Dave A
USER UNDER INVESTIGATION - DO NOT TRADE

Registered: 10th Dec 03
Location: County Durham
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5th Sep 05 at 20:25   View User's Profile U2U Member Reply With Quote

it definately wasnt normal mate, so not a group n. the ports on the inlet for the tb's was huge when i put it up against a standard manifold gasket

have fun driiling the head bolts out they are a right bitch. get some cutting oil and some really good drill bits and it wont be so bad. i burned out a new drill when i had the same thing on mine
you need to drill down about 15mm starting with a small bit then right the way up to a 10mm bit to get the head of the bolt off. and be care full you dont damage the face of the head where the rocker gasket sits. i put a small dent in mine and it leaks oil.

if i were you i would take it to an engineering place to be done, a lot less hassle! probably do it in 10 mins.
RobHayes
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Registered: 6th Sep 03
Location: Lincolnshire
User status: Offline
5th Sep 05 at 21:02   View User's Profile U2U Member Reply With Quote

i work for an engineering company, so should be able to get it sorted. going to try this week
James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
5th Sep 05 at 22:23   View User's Profile U2U Member Reply With Quote

If the ports are taken out as big you say they are then it's only useful for a extreme engine, most gas flowing work doens't involve makign th eports big, more reshapeing the vlave throarts and seat area, a large port mean large air flow and crap low throttle airspeed.

 
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