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> Just Curious, 150MPH
NARP74
post Aug 17 2023, 09:19 AM
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I look at a lot of 914 pictures for answers to questions, style details, cars for sale, just to look and admire. I frequently see the shot of a 150 MPH speedometer all by itself as a selling point. I think these were an upgrade or a 911 part maybe, not sure.

Has anybody with a mostly street car ever driven it at 150MPH? Will a mostly stock 914 actually do that. I had mine around 100MPH, maybe true, maybe not, just saying, and the front end was getting very light, almost lifting up and the steering was loosing contact.

Is this like a subaru with a loud muffler on it, it's not any faster? Just window dressing? My guitar goes to 11! Just asking
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emerygt350
post Aug 17 2023, 09:39 AM
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120 was the top speed listed. They all have 150 (in the US). I have had mine up to 100 on the track. Handled like it was doing 50. Mine is a chalon however. Over a foot wider than stock.
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Pezz
post Aug 17 2023, 10:03 AM
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115 MPH - flat Nevada highway
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Shivers
post Aug 17 2023, 10:10 AM
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My ‘72 came with a 120 mph speedo. I got my silver dot 150 out of an early ‘74.
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914sgofast2
post Aug 17 2023, 10:31 AM
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The 150 mph speedo is a lot like racing stripes: makes it go faster only on your mind's eye.

A stock 914 doesn't have the aerodynamics to go 150mph with the stock 75hp to 110 hp engines; it would need a lot of additional horsepower to reach 150mph.
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Cairo94507
post Aug 17 2023, 10:46 AM
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Had my 6 at 130 MPH a couple years ago. It seemed fine. (IMG:style_emoticons/default/beerchug.gif)
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VaccaRabite
post Aug 17 2023, 10:50 AM
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120 is about the limit of a 2.0 car, and you are pushing it to get there.

There is some selling involved with the 150 speedo. But gauges are usually the most accurate in the middle and loose accuracy at the ends. So a 2.0 with 120 would be pushing the edge of the gauge if the car was pushed (on a track, legally and safely). So, the 150 puts the speed back into the middle part of the gauge where its more accurate.

There isn't a stock 914 that will reach the end of the 150mph speedo though. Not anywhere near enough power.

Zach
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Mikey914
post Aug 17 2023, 11:13 AM
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Ive been over 100, in my 2.0. The only way yould see 150 is downhill with a tailwind.
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Jamie
post Aug 17 2023, 12:01 PM
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QUOTE(Mikey914 @ Aug 17 2023, 09:13 AM) *

Ive been over 100, in my 2.0. The only way yould see 150 is downhill with a tailwind.

A very steep downhill with a hurricane tail wind! (IMG:style_emoticons/default/aktion035.gif)
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windforfun
post Aug 17 2023, 12:07 PM
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105 MPH

"73 1.7

165 lb load

(IMG:style_emoticons/default/bye1.gif) (IMG:style_emoticons/default/bye1.gif) (IMG:style_emoticons/default/bye1.gif)
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930cabman
post Aug 17 2023, 12:26 PM
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Question:

how fast was #40 clocking around the track 50+ years ago. Sure, a 917 would fly by on the straights, but she still had to be in the 180mph range
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tazz9924
post Aug 17 2023, 12:31 PM
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Mine will do 150 but i cant tell you how soon that happens.
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914Sixer
post Aug 17 2023, 01:31 PM
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Around 120 was tops for me 2.0L in flat country when the throttle cable hung wide open.
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930cabman
post Aug 17 2023, 01:58 PM
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QUOTE(Pezz @ Aug 17 2023, 10:03 AM) *

115 MPH - flat Nevada highway


What is your powerplant?
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eric9144
post Aug 17 2023, 02:11 PM
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As others have said a /4 will get up near 120'ish or so under the right conditions etc., and handling remains reasonably stable.
My big /6 has the capability to far exceed my good judgement, somewhere north of 130, things start getting really interesting in a car with no aero but for bursts --whoa-- (IMG:style_emoticons/default/driving.gif) I have no doubt it will pull redline in 5th but being 100% honest I'll likely never find out.
I do wonder what #40 was doing down the straight at Le Mans because they had to go all out all the time *much respect to the drivers pushing those limits* (IMG:style_emoticons/default/number40_914.jpg)
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flipb
post Aug 17 2023, 02:17 PM
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QUOTE(930cabman @ Aug 17 2023, 02:26 PM) *

Question:

how fast was #40 clocking around the track 50+ years ago. Sure, a 917 would fly by on the straights, but she still had to be in the 180mph range


Never really thought about it, but there really isn't any additional aero on #40. Insane to think about those speeds without any more downforce than a stock 914.

https://pbase.com/9146gt/image/164479036
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930cabman
post Aug 17 2023, 02:32 PM
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QUOTE(flipb @ Aug 17 2023, 02:17 PM) *

QUOTE(930cabman @ Aug 17 2023, 02:26 PM) *

Question:

how fast was #40 clocking around the track 50+ years ago. Sure, a 917 would fly by on the straights, but she still had to be in the 180mph range


Never really thought about it, but there really isn't any additional aero on #40. Insane to think about those speeds without any more downforce than a stock 914.

https://pbase.com/9146gt/image/164479036


These guys have little fear
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VegasRacer
post Aug 17 2023, 03:10 PM
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NOT Stock. (IMG:style_emoticons/default/MDB2.gif)

Attached Image
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914_teener
post Aug 17 2023, 03:16 PM
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QUOTE(VegasRacer @ Aug 17 2023, 02:10 PM) *

NOT Stock. (IMG:style_emoticons/default/MDB2.gif)

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LOL..definately not. Nice 914 BTW.


I'm not saying online what I had the Cayman up to during the pandemic on the freeway.
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silverg
post Aug 17 2023, 03:28 PM
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I remember 914/6 GTs at the Daytona 24 race in early 1970s being reported 152mph in daytime & 148 at night with headlights up. Maybe they went faster at LeMans.
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