Im trying my luck here with my rvr x3 it has the evo5-6 engine. I'm about to drop in a set of 268/268 cams with stock retainers/springs, cam gears remains the same and run on stock ecu.
Would the above cams kill the car without a tune?
The car has the basic mods:
Stock td04 turbo (waiting to bolt on an evo 7 turbo and 2.5 exhaust)
2 inch exhaust
Hks rs intake and pod filter
Evo 8 bov
Pwr w2a setup
Thanks
Wae.
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#1
Posted 25 January 2014 - 04:32 AM
RVR97
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#2
Posted 25 January 2014 - 05:07 AM
jack be nimble
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My2c. It will be ok.
The maf will allow for it. Extra boost will hit the fuel cut but other than that it should allow for it.
The maf will allow for it. Extra boost will hit the fuel cut but other than that it should allow for it.
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
#3
Posted 25 January 2014 - 05:59 AM
BMGTZ
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the short answer is yes if they are pretty mild lift but a bit depends a bit on the lift and the lobe seperation angle you set.
BRIAN
Black evo 1 full road rego and done properly/legally
I have heaps of parts...but never the one I need.
#4
Posted 25 January 2014 - 06:32 AM
RVR97
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Brian here are the spec. Should there be any concern with these cams they are GSC S1
Intake:
268(adv duration)
216(Duration@1mm)
11mm peak lift
Exhaust:
268(adv duration)
220(duration@1mm)
10.50mm peak lift
RVR 97 - begging for more torque!
RVR X3 2000
#5
Posted 25 January 2014 - 06:37 AM
jack be nimble
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Do you mean kill as in wreck the engine or as in not have any performance gains?
I dont see any performance gains, but thats ok till you put the turbo and other bits on.
Thats a bit of lift for std springs. Hope someone knows if they will bind on coils
I dont see any performance gains, but thats ok till you put the turbo and other bits on.
Thats a bit of lift for std springs. Hope someone knows if they will bind on coils
Edited by jack of all, 25 January 2014 - 06:40 AM.
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
#6
Posted 25 January 2014 - 07:16 AM
Benzo4gT
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I thought 11mm lift was a bit of an ask for std springs, most cam suppliers recommend a spring upgrade. May as well do it while the cams are out imo
Bit of a tool, and owner of "The Turdis" - Hervey Bay
#7
Posted 25 January 2014 - 07:37 AM
DOUGMO
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11mm lift is too much for stock springs for sure,
GENUINE CE9A evo2 gsr track car
all fabrication BJP AUTOMOTIVE
winton 1:27.4 /// sandown 1:21.5 /// phillip island 1:49.2 /// haunted hills 59.1 /// eastern creek 1:35.4 /// winton short 1:01.4
#8
Posted 25 January 2014 - 12:27 PM
RVR97
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Check the link below for the cams: it said work well with stock springs , any comments :S www.prospeedracing.com.au/products/GSC-S1-Cams-suit-EVO-4%252d8-268-degrees.html
RVR 97 - begging for more torque!
RVR X3 2000
#9
Posted 25 January 2014 - 07:43 PM
Benzo4gT
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It would depend on how many Ks the engine has done. It does state that they will work with stock springs, but in the experience of many, 11mm is stretching the boundaries even for new stockies
If you get some spring bind and/or float, you can say goodbye to horsepower at the top end, not to mention the risk of valve damage if they bind too much.
If it were me, I'd pick up some new springs to be safe. The cams are well priced, so a new set of springs shouldn't break budget.
Old springs are about as much use as a one legged cat trying to bury a turd on a frozen lake
New springs = Peace of mind and cheap insurance against valve damage.
Bit of a tool, and owner of "The Turdis" - Hervey Bay
#10
Posted 26 January 2014 - 12:59 AM
evo-gsr
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I agree. ↑
[qoute name="BMGTZ" post="331212" timestamp="1467451744"]I don't know anything ...
Trust in the master of taxis.... He will set you straight[/quote]
Trust in the master of taxis.... He will set you straight[/quote]
#11
Posted 26 January 2014 - 02:14 AM
BMGTZ
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Wae...springs can be done without removing the head. 10.5 has always been my limit on stock springs and whilst the manufacturer says it works.....he isnt going to pay for a blown engine.
BRIAN
Black evo 1 full road rego and done properly/legally
I have heaps of parts...but never the one I need.
#12
Posted 26 January 2014 - 06:29 AM
RVR97
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Brian, the method you're referring to is it using a compressor to compress air into the cylinder to keep the valves still.
What springs/retainers do you suggest to go along with the above cams?
RVR 97 - begging for more torque!
RVR X3 2000
#13
Posted 26 January 2014 - 06:36 AM
jack be nimble
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Use thin rope instead of noisy compressor.
- Connor likes this
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
#14
Posted 26 January 2014 - 07:16 AM
Rockabilly
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Will need new valve stem seals & scotch brite the valve stems to get the stain off them.
The extra lift will wreck your old seals in minutes & you will blow smoke.
Cheers
#15
Posted 26 January 2014 - 11:29 PM
vr401
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if you have someone good with ecuflash you could tune your car. I have all files for RVR X3 to tune. 
Lancer Evolution 7 GSR '01
#16
Posted 27 January 2014 - 02:06 AM
BMGTZ
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Brian, the method you're referring to is it using a compressor to compress air into the cylinder to keep the valves still.
What springs/retainers do you suggest to go along with the above cams?
BC springs will do the job. if you want to spend the extra as insurance for later then some double springs would give a bit more protection from harmonics at high revs. I refer to "later" as I think the bottom end is stock? thus has a lower rev limit based on piston speed in feet per second on stock pistons than forged pistons.
yes iwas refering to a compressor....but rope does a good job too
BRIAN
Black evo 1 full road rego and done properly/legally
I have heaps of parts...but never the one I need.
#17
Posted 27 January 2014 - 07:15 AM
jack be nimble
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if you have someone good with ecuflash you could tune your car. I have all files for RVR X3 to tune.
I have the cable 1.3u or whatever it is.
- vr401 likes this
4g93t jumbuck conversion. PRANGED 18/3/12, CHECK MY MEMBER RIDES Page 11. no serious human injuries.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
ON THE ENGINE STAND. g4cs 2.4l + Gt35r. PLUS: auto conversion + Awd coming.
thanks for parts and help: BMGTZ, EVOCPE, cwolf, Benozi, Jamo-GSR, 1JUM2NV, RXVII..much appreciated, cheers guys.
Aerodynamics are for people who can't build engines. —Enzo Ferrari
REMEMBER: you cant polish a turd, but you can roll it in glitter.
#18
Posted 27 January 2014 - 09:05 AM
vr401
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I have the cable 1.3u or whatever it is.
Copy the bin from ecu and send it to me so I can see if it's same as the one I have and I'll send back the xml for it.
Cheers
Lancer Evolution 7 GSR '01
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