Head work on 2l 8v

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sheheen29
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Head work on 2l 8v

Post by sheheen29 » Mon May 14, 2018 8:59 pm

Hi Guys

Planning to get some decent head work done on my current 8v motor, not sure as to what's need to be done. Some guys I spoke to reckoned to do big valve is it reliable and is there any difference?

Any recommendations for someone reputable to have it done around the Durban area?
Current:
Golf 1 2lt 8v (Crossflow)
43mm throttles
57mm Zorst 298 estas cam
Dictator Management
GTS Tuned
124kw and 191nm- pump fuel
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☆KalaMK3
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Re: Head work on 2l 8v

Post by ☆KalaMK3 » Tue May 15, 2018 7:26 am

sheheen29 wrote:Hi Guys

Planning to get some decent head work done on my current 8v motor, not sure as to what's need to be done. Some guys I spoke to reckoned to do big valve is it reliable and is there any difference?

Any recommendations for someone reputable to have it done around the Durban area?
The amount of cash you are intending to spend on a NA setup you might as well go turbo and get more power even at low boost for reliability

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Re: Head work on 2l 8v

Post by [email protected] » Tue May 15, 2018 3:19 pm

☆KalaMK3 wrote:
Tue May 15, 2018 7:26 am
The amount of cash you are intending to spend on a NA setup you might as well go turbo and get more power even at low boost for reliability
How much cash do you assume?
☆KalaMK3 wrote:
Tue May 15, 2018 7:26 am
Planning to get some decent head work done on my current 8v motor, not sure as to what's need to be done. Some guys I spoke to reckoned to do big valve is it reliable and is there any difference?
No need for big valves unless you plan on running high compression and over 300 degree camshaft.
Try this guy, Ureshan - 082 669 1410
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sheheen29
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Re: Head work on 2l 8v

Post by sheheen29 » Tue May 15, 2018 8:17 pm

Ok cool. So would you suggest something like gas flowing and porting? Will there be any difference in power?
Current:
Golf 1 2lt 8v (Crossflow)
43mm throttles
57mm Zorst 298 estas cam
Dictator Management
GTS Tuned
124kw and 191nm- pump fuel
[email protected]
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Posts: 103
Joined: Mon Sep 19, 2011 12:33 pm
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Re: Head work on 2l 8v

Post by [email protected] » Wed May 16, 2018 5:33 pm

Most definitely will.
1998 Polo classic 6n
2.0L-bmc filter,branch and zorst
2008 caddy panel van
1.6l petrol,bone stock
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☆KalaMK3
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Re: Head work on 2l 8v

Post by ☆KalaMK3 » Wed May 16, 2018 9:29 pm

To run a proper power making N/A motor, you will have to raise the CR. To do that, guys normally skeam the head and go flat top pistons perhaps with a lightend crank. You obviously require some headwork which can include a bigger cam, porting + flowing, valve kit etc.

I have considered both options and for the amount you will be spending on an N/A setup, you can make reliable power with a turbo on low boost.

It remains your choice afterall.

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Re: Head work on 2l 8v

Post by ICE King » Thu May 17, 2018 12:42 pm

You can only make some much power on pump fuel , these kind of mods requires higher octane fuel to get the most out of it , End of the day you'll fully NA modded 8 valve that will be pinging on pump fuel and that will be the end of the motor.

Leave the CR stock if you don't plan to use higher octane fuel - mod very thing around it.
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sheheen29
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Re: Head work on 2l 8v

Post by sheheen29 » Fri May 18, 2018 10:38 pm

Thanks guys.
Current:
Golf 1 2lt 8v (Crossflow)
43mm throttles
57mm Zorst 298 estas cam
Dictator Management
GTS Tuned
124kw and 191nm- pump fuel
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