Post #1
Im going to build a spare S16 engine with forged pistons and rods (turbo)What is the max rpm you could run safely on the S16 engine?
thankyou
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displaying posts 1 to 15 of 15
| Author | Subject: max rpm for forged low comp engine???? |
 Takedown
Senior User  Location: Holland Registered: 18 Oct 2012 Posts: 845 Status: Offline |
What is the max rpm you could run safely on the S16 engine? thankyou |
 Posted 18th Apr 2013 at 23:38
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daveyboy
aka Jim Davey  Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #2
Depends on the quality of your rods, pistons, crank and his thorough you are during the build. But 9k is possible if hour pockets are deep enough. Why do you need all those revs on a turbo lump though?________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 18th Apr 2013 at 23:49
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Takedown
Senior User Location: Holland Registered: 18 Oct 2012 Posts: 845 Status: Offline |
Post #3
I dont want crazy 9K revs.. just seeing if 7.5K is safe? , what about the valves? hovering valves? |
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Posted 18th Apr 2013 at 23:52
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daveyboy
aka Jim Davey Location: Southampton Registered: 01 Oct 2007 Posts: 8,648 Status: Offline |
Post #4
7.5k? That's not far off standard  decent gear should be good for 8kAs for valve float, operate the springs. I'd stick with hydraulic lifters though unless you want to go more than 7.5-8k ________________________________________ R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.Some of my services: (See my for sale threads) Engine mount/chassis repair Solid Beam Mounts BACK IN PRODUCTION Harness bars |
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Posted 19th Apr 2013 at 00:01
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armzsc6
Seasoned Pro  Location: Crowborough Registered: 22 Mar 2008 Posts: 3,445 Status: Offline |
Post #5
Exactly, limit on my supercharged engine with standard internals is set at 7650 and that's safe coz I've hit it a few times lol________________________________________ Black power baby! SUUUUUPERCHARGED Seat Leon FR TDI 190BHP 300lbft daily gti-6 killer :p 12x 306's owned so far Cambelts, clutches, service work carried out on All makes and models, Peugeot Citroen / mitsubishi specialist. Pug planet / Citroen Lexia diagnostics / code reads available. |
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Posted 19th Apr 2013 at 00:33
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Takedown
Senior User Location: Holland Registered: 18 Oct 2012 Posts: 845 Status: Offline |
Post #6
standard is 6750?Think 7400 is nice thankyou for the info BTW where can i get upgraded shellbearings(rod bearings) for the S16? |
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Posted 19th Apr 2013 at 10:06
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eliotrw
Seasoned Pro  Location: Southwark Registered: 18 Jul 2010 Posts: 4,864 Status: Offline |
Post #7
Which S16 do you mean?If its the one that is a Gti-6 jsut european then Phase 1's are set to 7500 rpm and Phase 2 onwards are 7250. The car we call the s16 with the 5 speed box is 7.4k iirc ________________________________________ Ex- Phase 3 China GTi-6 T-Reg |
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Posted 19th Apr 2013 at 10:26
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welshpug!
Capt Pedantic  Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #8
the RFY goes to 7k, peak power is @6800, peak torque @4100.________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 19th Apr 2013 at 10:55
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Takedown
Senior User Location: Holland Registered: 18 Oct 2012 Posts: 845 Status: Offline |
Post #9
Im talking about the 1994 XU10J4 2.0 S16 with the 5 boxim sure that one doesnt go past 7K |
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Posted 19th Apr 2013 at 11:10
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24seven
Seasoned Pro  Location: Derby Registered: 05 Oct 2005 Posts: 6,221 Status: Offline |
Post #10
What you see on the dashboard and what the engine is actually doing can be very different sometimes. 7500 should be effortlessly achievable providing the engine is assembled to a decent standard. ________________________________________ Ph1 306 GTi 6 | RX8 231 S1 | YBR 125 Cafe Racer | MT-03 660 |
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Posted 19th Apr 2013 at 11:30
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #11
Takedown wrote: Im talking about the 1994 XU10J4 2.0 S16 with the 5 box im sure that one doesnt go past 7K they do, just. ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 19th Apr 2013 at 12:07
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Takedown
Senior User Location: Holland Registered: 18 Oct 2012 Posts: 845 Status: Offline |
Post #12
Oke thankyou Welsh, i Always thought it was around 6800 |
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Posted 19th Apr 2013 at 23:16
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IvayloPavlov
Regular  Location: Sofia,Bulgaria Registered: 06 Aug 2012 Posts: 265 Status: Offline |
Post #13
Hi, wonder if I can pass 8K RPM with standard springs and hydro lifters. I need to go over 8.2 to pass 100-200 km/h without shifting.   |
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Posted 14th May 2021 at 15:48
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welshpug!
Capt Pedantic Location: Bigend, Wales. Registered: 27 Mar 2007 Posts: 25,838 Status: Offline |
Post #14
not advisable, power drops off after 6500 so ahifting would be faster, before considering that the hydraulic tappets do not work so well beyond 7800 regularlyise a bigger tyre or longer final drive if you need to, thats a weird thing to need though ________________________________________ need a part number? get on here - http://public.servicebox.peugeot.comBring on the Trumpets. |
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Posted 15th May 2021 at 09:12
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IvayloPavlov
Regular Location: Sofia,Bulgaria Registered: 06 Aug 2012 Posts: 265 Status: Offline |
Post #15
With my old setup the power drops after 7 200 rpm. I am installing cams with more lift, bigger turbo, ARP studs, Cometic gasket and more boost combined with water-methanol.  My ML5 gearbox is with the longest FD from 2.2 HDi. And biggest possible tyres.  |
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Posted 18th May 2021 at 22:21
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