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Joined: May 2004
Posts: 4,270
Hard-core CEG\'er
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OP
Hard-core CEG\'er
Joined: May 2004
Posts: 4,270 |
What is the highest RPM that a Duratec can be run at safely with all stock internals? Because i know getting a new chip can raise the limiter but how benificial is this and is it safe, i've read about duratec being able to hit as high as 7500RPM.
~Alex
~Alex
Ex- SVT Driver627
MUST SELL!!!LOCAL:
Pre-98 MOLDED trunk
Polk db speakers
Corolla parts
LED Underbody Kit
PM
2000 Green CSVT gone on 2/17/06
2001 Toyota Corolla (SHE RUNS!!!)
1989 Mustang LX 5.0
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Joined: Aug 2001
Posts: 17,248
CEG road warrior
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CEG road warrior
Joined: Aug 2001
Posts: 17,248 |
I have ridden with SVT owners that shifted at redline...all the time. 
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
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Joined: Aug 2001
Posts: 661
Veteran CEG\'er
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Veteran CEG\'er
Joined: Aug 2001
Posts: 661 |
Originally posted by LoCoZsc:
I have ridden with SVT owners that shifted at redline...all the time.
Your suposed to shift anywhere else?
Fast Cheap reliable
Pick two
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Joined: Jul 2001
Posts: 7,100
Addicted CEG\'er
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Addicted CEG\'er
Joined: Jul 2001
Posts: 7,100 |
The SVT makes full power up to and SURPASSING 6750 (soft cut) and 6950 hard cut... it will continue to make power to 7200 or so. This will also drop a near second off your 0-60 times as a shift from 2nd to 3rd is no longer required at 58/59mph. Check out DemonSVT's website for more info.. Main SiteRPM pageRead the whole site for TONS of knowledge. Ray
'99 CSVT - Silver #222/276
In a constant state of blow-off euphoria.
Originally posted by Kremitthefrog:
I like to wear dresses and use binoculars to watch grandmas across the street.
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
Posts: 9,602 |
I've past 8000rpm on a daily basis over a long duration.
I would not consider that "safe" though.
The link {of mine} posted above by Ray is a good starting point.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: Dec 2004
Posts: 1,190
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Dec 2004
Posts: 1,190 |
past 8,000 rpms?  since i am going forged rods and pistons and am going to have a full t4 with enough breath to 8,000, what would you think is safe rpm to run with our transmission? Would my cams run out of breath with the escape intake and mazda 6 axaust cams? Demon i assume you might have an idea since you recommended this set-up....By the way on the mazda six exaust cam you have to cut off the water pump extension since it is on the exaust side on a mazda six. That was the only fitment problems...
PLEASE HELP ME GET MY CAR TOGETHER! ITS IN DAYTON OHIO! I need the motor together and in the car so i can DRIVE it! Pleeeeeese!
diamond pistons for 3.0/forsale
#702 of 2150
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Joined: Aug 2001
Posts: 5,810
Hard-core CEG'er
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Hard-core CEG'er
Joined: Aug 2001
Posts: 5,810 |
You go to 8K rpm with a turbo and you may need to look at your transmission. Also, you won't be building boost until 6K rpm with a turbo that breaths out to 8K rpm! Is this a drag only car? If so then that's ok, but if you are daily driving this thing then you're going to be less than happy with anything but a full throttle run.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Joined: Dec 2004
Posts: 1,190
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Dec 2004
Posts: 1,190 |
The problem with our cars is traction and we are not talking about a huge turbo and a small motor here. I was mainly asking if the tranny could hold that consistantly...
PLEASE HELP ME GET MY CAR TOGETHER! ITS IN DAYTON OHIO! I need the motor together and in the car so i can DRIVE it! Pleeeeeese!
diamond pistons for 3.0/forsale
#702 of 2150
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Joined: Nov 2000
Posts: 10,015
Hard-core CEG'er
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Hard-core CEG'er
Joined: Nov 2000
Posts: 10,015 |
Somehow I don't think the synchros will like 8000rpm shifts for a very long time! And 8000romon a FI setup is going to be pushing the ragged edge for piston speed/rod stretch. I wouldn't go there!
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!
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Joined: Feb 2002
Posts: 3,840
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Feb 2002
Posts: 3,840 |
Are you asking about the 8,000 RPM "revability" just so you can build a FI car that gives you that bragging right? I'm asking honestly, because there's got to be more useful parts of the Duratec powerband than way up there at Honda speeds.
I can't imagine having all the useable power way up there on the band if this is a car you're going to be driving every day. I'm not so sure raising the powerband will eliminate the traction issues either.
But I'm not very tech-savvy, so if you have a plan forming, then work with it.
-SAV
Troll. 1997 VW Jetta MkIII GLS 5spd
All hail my appearance on CEG!
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