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Stock X-Flow at 5000RPM. LIMITER????? 

 

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 Post subject: Stock X-Flow at 5000RPM. LIMITER?????
Posted: Thu Mar 10, 2005 5:41 pm 
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Hey,

I've got a semi-stock EFi X-Flow in my XF. And the other day i thought i'd find the rev limiter, so here i was, 4500...4600...4650...hmm it'll stop soon...4750...4850....WTF????...5000... Ok back off time, before theirs a bang or clunk. So can anyone tell me if there is one? and if so where?

Thanks,
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Posted: Thu Mar 10, 2005 5:42 pm 
Getting Side Ways
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there is NONE - first rev limiter was the EB's

 

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Posted: Thu Mar 10, 2005 9:12 pm 
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I regularly take mine out to 4700 (about 84km/h in first) but it just feels to a*** above that. Kind of like its about to fall apart. Aparrently they make max power at 5200rpm but I find that very hard to believe.
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Posted: Fri Mar 11, 2005 1:23 pm 
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my 72 302 pos fairlane has a limiter.......... valve bounce :twisted:

 

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Posted: Sun Mar 13, 2005 9:53 pm 
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dvyvan wrote:
my 72 302 pos fairlane has a limiter.......... valve bounce :twisted:

ROFL HAHAH that's the way.

 

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Posted: Tue Mar 15, 2005 3:37 pm 
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haha well the valve bounce is either going to limit the revs or stop it dead in its tracks, lmao

 

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Posted: Tue Mar 15, 2005 4:31 pm 
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xcabbi wrote:
I regularly take mine out to 4700 (about 84km/h in first) but it just feels to a*** above that. Kind of like its about to fall apart. Aparrently they make max power at 5200rpm but I find that very hard to believe.


What box and diff ratios are you running? or my speedos out further then i throught, cause with my T-5 in 1st, and a 2.77 XF LSD, i hit on my speedo 65kms. @5000RPM.

Where do the X-Flows start to bounce? cause mine was really grumpy, but she didn't start to bounce. 5200rpm, i dunno, the cams are set up for 1200-3200 or something like that, and i'll bouch for that cause with mine she goes best if i keep her between 2500-3500, anything over that she doesn't like it much.
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Posted: Tue Mar 15, 2005 7:04 pm 
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I'm running a 3 speed auto and 2.77:1 LSD. When I free rev mine (just give it a few stomps on the gas till the red LED's come on and the 2nd or 3rd one starts to flash) I get some crayzy a*** sounds out the tailpipes when I back off the throttle. It sounds like the start of valve bounce but It could be mistaken for backfire.
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Posted: Fri Mar 18, 2005 2:49 pm 
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my stock $140 ex will pull 75km in 1st it is a 3spd auto 140km in 2nd on to scared it will fall apart after 175km :shock:

 

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Posted: Wed Mar 23, 2005 12:44 am 
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xcabbi wrote:
I regularly take mine out to 4700 (about 84km/h in first) but it just feels to a*** above that. Kind of like its about to fall apart. Aparrently they make max power at 5200rpm but I find that very hard to believe.


The factory EFI is done way before 5000rpm, it redlines before 5000rpm, I used to flog mine untill I saw the digital tacho red, it was a waste of time, I was just trying to kill it, all I think I did was waste fuel.

I could get 88kmh out of first, stock 15" ghia wheels 2.77LSD auto, another waste of time, way past peak power, you know you can get about the same speed in reverse too :twisted:

 

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Posted: Wed Mar 23, 2005 12:33 pm 
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88km/h in reverse :O , omg, have u done that, would be so hard not to spin out, haha
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Posted: Wed Mar 23, 2005 11:36 pm 
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yakymoto wrote:
88km/h in reverse :O , omg, have u done that, would be so hard not to spin out, haha


nah got to 70 something and nearly f**k up, young, stupid and very lucky, I think as always I was showing off at the time, but it hadn't hit peak revs, digital speedo makes it easy to see what speed you are doing at a glance.

 

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Posted: Mon Mar 28, 2005 7:08 pm 
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It's been a long time now since I had the XF.

It was a weber carbied '87 auto with 2.77 single spinner diff.

It topped out at around 4000rpm or so in first, but I can't remember what speed it did at that. It would rev passed 4000, but ran out of steam at that.

I wound it out to 180kph in top a few times (out on the nullabor). Back then there were no cops out there and you could do what you wanted. The line-haul semi trucks used to wind up to 150-160kph with their high speed diffs and no "Speed limited 100" garbage on them. It's a different story out there these days.

 

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Posted: Tue Mar 29, 2005 11:13 am 
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My 87 auto carbie XF used to runout to just under 195, only mods being extractors, exhaust and mild cam. It's was absolutely gutless down low though. under about 2500 it had nothing.
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Posted: Thu Mar 31, 2005 5:25 pm 
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My old XF topped out way over 200. Probably somewhere around 225km/h was it's top speed, and that was a stock `87 EFI S pack with a T5 and a 2.77 LSD, with a 2.5" cat back exhaust. Take off was ok but not great

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