what is your valvetrain set up?
#1
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So I'm doing alittle research on boosted s2ks and I was wondering; what valvetrain are you guys running? the valves, springs, cams, retainers etc etc.
thanks
thanks
#2
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In my old S2000 I had the Alaniz Competition Head Package done :
Competition Head Work
* Complete visual inspection of complete head.
* Check all surfaces for straightness.
* Complete disassembly.
* Inspect all valvetrain parts for wear.
* Remove all studs and lap all surfaces.
* Degrease and clean head of oils.
* Baseline flow bench test.
* Full Competition port and polish head.
* Deshroud, polish and debur all chambers.
* Install oversize seats on intake side.
* Install oversize valves on intake and exhaust.
* Competition valve job.
* Resurface and hand lap head to customer specs, or up to .030 material removal.
* Final flow test with data sheet.
* Reassemble complete head. Final CC check.
* Includes new valve seals.
Titanium Retainers, Bronze Guides, and Inner Spring / Locator Kit added.
Quite a few individuals have experimented with some of the available aftermarket cams - to date not a single one has proven any gains. In fact, they all have shown negative results.
Alaniz was, for quite some time very well known in the S2000 Community as one of the, if not the best head builder! Over time he has sort of died off in the community, not really as well known as he once was. I'm sure he still performs amazing work, however his turn around time and ability to keep in contact with his customers is lacking quite a bit.
Competition Head Work
* Complete visual inspection of complete head.
* Check all surfaces for straightness.
* Complete disassembly.
* Inspect all valvetrain parts for wear.
* Remove all studs and lap all surfaces.
* Degrease and clean head of oils.
* Baseline flow bench test.
* Full Competition port and polish head.
* Deshroud, polish and debur all chambers.
* Install oversize seats on intake side.
* Install oversize valves on intake and exhaust.
* Competition valve job.
* Resurface and hand lap head to customer specs, or up to .030 material removal.
* Final flow test with data sheet.
* Reassemble complete head. Final CC check.
* Includes new valve seals.
Titanium Retainers, Bronze Guides, and Inner Spring / Locator Kit added.
Quite a few individuals have experimented with some of the available aftermarket cams - to date not a single one has proven any gains. In fact, they all have shown negative results.
Alaniz was, for quite some time very well known in the S2000 Community as one of the, if not the best head builder! Over time he has sort of died off in the community, not really as well known as he once was. I'm sure he still performs amazing work, however his turn around time and ability to keep in contact with his customers is lacking quite a bit.
#7
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Originally Posted by roi,Aug 30 2007, 03:05 PM
I'm going to have mine done by Laskey Racing
![thumbsup.gif](https://www.s2ki.com/forums/images/smilies/thumbsup.gif)
Here is their Cylinder Head Setups :
1) Hot tank, crack check, competition 3 angle valve job, mirror surface, new seals, assembly
$350 shipped
2) SuperTech SS valves, dual springs, ti retainers, hot tank, 3 angle valve job, surface, new seals
$875 shipped
3A) PortFlow port, polish & Stage 1 work using your valves, springs and retainers
$1050 shipped
3) PortFlow port & polish, SuperTech Stainless Steel nitride coated valves, dual valve springs, titanium retainers, competition 3 angle valve job, surfaced to a mirror like finish and assembly
$1600 shipped
NOTE: Add $50 to Stages 2 and 3 pricing above for H Series, K Series and S2000 cylinder heads
Add $32 for spring seats, if required
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#10
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Alaniz head- Ported and polished head
installation performed by reputable local shop:
Ti retainers
Supertech oversize valves .5mm In 1mm Ex
Bronze valve guides
Dual spring setup
installation performed by reputable local shop:
Ti retainers
Supertech oversize valves .5mm In 1mm Ex
Bronze valve guides
Dual spring setup