Thread: SR20VE build with 16VE pistons

Hey everyone, this is kind of my welcome post, I've been looking around for some time and decided to register

I'm from Santiago, Chile and bought my P11 back in 2009, since then I've done a several mods to it,

- SR20VE head swap
- SR20DE bottom, standard bore.
- hotshot type header
- CAI with JWT pop charger
- Reprogrammed NX2000 ECU
- SAFC2
- Innovate wideband
- fuel@4 bar (fuel pressure regulator)
- bypassed throttle body heater hose
- supertech valve seals
- SR16VE pistons
- 4 puck exedy ceramic clutch
- fujitsubo exhaust
- iridium spark plugs

After my previous build went ouch! (bent valves and scratched cylinder) I did a rebuild and the block was bored then re-skirted to go back to standard spec (86mm)
*


Here you can appreciate the helical honing*





The crankshaft was balanced and bellow you can see it already mounted (flywheel and the pressure plate were also balanced together with the crankshaft)















The bent valves were replaced and supertech valve seals were used. Here is the head final surface result after wet sanding.







Bellow are pics from the piston install process, with new rings obviously.*



Adjusting rods placement





High compression pistons, dome view.





Block ready for final torque adjustment*









And a short clip !




I'd like to know about anyone's experience with SR16 pistons on this build as the compression ratio is known to be above 13:1. I'm currently running on 97 RON gas with my distributor timing almost at minimum.

I've been thinking about options to control detonation and advance timing, this are the options I've thought so far,

- Keeping timing down, and adding toluene when advancing.
- Methanol injection.
- Thicker head gasket
- Take 1mm or so off my pistons
- ECU tune

very nice build bro.... i would go with a thicker hg and tune.... the meth kit can be done after if theirs any detonation still in the map

Looks good. We used the VET metal headgaskets on the sr16 piston motors up by us.

What kind of cams are you using? I recommend getting a hold of some Kelfords. The three components I say to save and buy are intake manifold, 4-1 header, and a shorter final drive to show this motors true potential.

Thanks man!



I've heard good things about those kelfords, what's the exact model ? does it have adequate low lobes for daily driving?

About the other mods, do you have any examples? I've seen 4-1's on ebay for about $850, too expensive for me. About the shorter drive, you mean swaping to another gearbox??

very nice

Very nice build.what numbers are you expecting?

Kelford 184-c's. Stay away from that ebay 4-1. Its the JMR special right? I wouldn't bother. I'd build/find a better spec'd header for your build.

But why? Isn't that header a 12 second header.

Yes, JMR. But don't worry, never considered it, too expensive

The thing is that to build my own, I would need some kind of guidance as to what's the ideal design (measures) to get a good boost from my current header.

About those Kelfords, where do you get them?



Something close to 190 whp would make me happy

These are some pictures we took during the buildup to show how much do valves lift when the bigger camshaft lobes are used (for educational purposes )

Exhaust valves,

Low rpm lobes,


High rpm lobes,



Intake valves,

Low rpm lobes,


High rpm lobes,


Comparison pictures between SR20DE valve head intake and SR20VE ported intake.


SR20DE


SR20VE


Whole SR20VE intake


One on one comparison


Some more pictures after the timing setup