 Realistic Top speed of a 914 |
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| Jason 914-6 |
 Apr 25 2017, 01:57 AM
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#1
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Member  Group: Members Posts: 57 Joined: 7-November 04 From: Australia Member No.: 3,069  |
Hi might be a dumb question but how fast do you think a 914 with a six or four in could go I'm talking like land speed fast. (IMG:style_emoticons/default/evilgrin.gif)
Not a race car with spoilers/wings etc. but a narrow body low slung with tall gearing. Any thoughts other than I'm (IMG:style_emoticons/default/screwy.gif) But the Gt class here in Australia is a soft record ( 2lt class and 3lt) and well !!!!!!!!! (IMG:style_emoticons/default/drooley.gif) |
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| Andyrew |
Apr 25 2017, 11:07 AM
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#2
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Spooling.... Please wait Group: Members Posts: 13,376 Joined: 20-January 03 From: Riverbank, Ca Member No.: 172 Region Association: Northern California 
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All the simulations I have done with my current setup say I should be able to get close to 200mph at my high power setting and current gearing...
Will I ever do that? Not likely... Most I've done is 150, and the rear end gets extremely light at that speed. Serious aero would be required (Full undertray front to rear) if someone was serious about going big speeds (180+) in a 914. |
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| Calwaterbear |
Apr 25 2017, 06:10 PM
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#3
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Member Group: Members Posts: 207 Joined: 15-November 14 From: United States Member No.: 18,123 Region Association: Central California |
QUOTE(Andyrew @ Apr 25 2017, 10:07 AM)  All the simulations I have done with my current setup say I should be able to get close to 200mph at my high power setting and current gearing... Will I ever do that? Not likely... Most I've done is 150, and the rear end gets extremely light at that speed. Serious aero would be required (Full undertray front to rear) if someone was serious about going big speeds (180+) in a 914. What calculators are you using. I can tell you from our experience at Bonneville, using tire size, gearing and RPM to calculate top speed is a complete waste of time. The things that matter most are frontal area, CD of the car, weight. With those numbers you can calculate - or use on line calculators - wallace racing has all sorts of them, to calculate top speed. Air resistance kills you at high speed. To double any given speed - you will need 8X the horespower, so once you get up 150-200, the wind resistance is absolutely gobbling up your horsepower. In that case, you probably don't have enough ponies to get to gear/rpm calculated speed, just not enough HP. |
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| SirAndy |
Apr 25 2017, 06:43 PM
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#4
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Resident German Group: Admin Posts: 41,854 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Calwaterbear @ Apr 25 2017, 05:10 PM) The things that matter most are frontal area, CD of the car, weight. Weight matters for acceleration but not for top speed. In fact, more weight may help stabilize a car near top speed. It just takes longer to get to top speed. (IMG:style_emoticons/default/shades.gif) |
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Posts in this topic
Jason 914-6 Realistic Top speed of a 914 Apr 25 2017, 01:57 AM
rgalla9146 I know that windshield trim and roofs depart the c... Apr 25 2017, 04:37 AM
6freak
I know that windshield trim and roofs depart the ... Apr 25 2017, 08:01 AM
SirAndy A 914 is not a good choice for Land speed racing... Apr 25 2017, 11:27 AM Tom_T Well, I've had my dead stock 73 2.0 /4 with st... Apr 25 2017, 07:53 AM 76-914 The stock car's rear end becomes very light at... Apr 25 2017, 08:29 AM Steve Besides aerodynamics, check the trans gear ratios.... Apr 25 2017, 08:30 AM RobW 90 is a nice safe speed Apr 25 2017, 08:37 AM Robnxious
90 is a nice safe speed
I agree wholeheartedly ... Apr 25 2017, 08:58 AM Dave_Darling A stock 914 will do 120 MPH, given some room to ge... Apr 25 2017, 09:41 AM horizontally-opposed There are much better—and safer, cheaper—choic... Apr 25 2017, 10:25 AM 6freak
There are much better—and safer, cheaper—choi... Apr 25 2017, 02:42 PM mepstein Use the engine from this 293 mph car.
https://m.y... Apr 25 2017, 10:57 AM Andyrew
All the simulations I have done with my current ... Apr 25 2017, 07:11 PM ConeDodger
All the simulations I have done with my current s... May 4 2017, 03:09 PM SirAndy Hi might be a dumb question but how fast do you th... Apr 25 2017, 11:25 AM naro914 I know Tony (Cracker) has done about 156 in his...... Apr 25 2017, 01:12 PM Cracker LOL Bob...you always get the 6 and 5 backwards (16... May 5 2017, 08:02 PM naro914
LOL Bob...you always get the 6 and 5 backwards (1... May 5 2017, 09:09 PM Cracker LOL Bob...that was from our first trip to Road Atl... May 6 2017, 04:39 AM r_towle Gearing will not be cheap.
You might want to look ... Apr 25 2017, 03:28 PM mepstein
Gearing will not be cheap.
You might want to look... Apr 25 2017, 05:48 PM Calwaterbear
Gearing will not be cheap.
You might want to look... Apr 25 2017, 06:12 PM mepstein
Gearing will not be cheap.
You might want to loo... Apr 25 2017, 06:33 PM Mark Henry
Not a race car with spoilers/wings etc. but a na... Apr 25 2017, 05:26 PM MoveQik I've had my 3.2 with my stock 901 up to 130mph... Apr 25 2017, 06:00 PM Madswede
I've had my 3.2 with my stock 901 up to 130mp... Apr 26 2017, 10:49 PM Jason 914-6 Thanks for the input, If I run as a G/GT its an op... Apr 25 2017, 08:15 PM Andyrew
The following body and chassis modifications may... Apr 25 2017, 09:44 PM Jason 914-6
The following body and chassis modifications ma... Apr 30 2017, 06:39 PM iamchappy I'm glad my car is gear limited, red line come... Apr 25 2017, 08:45 PM Coondog I just want to change lanes on the freeway without... Apr 25 2017, 09:49 PM whitetwinturbo .............there's a reason the tail is so H... Apr 25 2017, 10:28 PM ottox914 Doesn't the ultimate top speed depend on how h... Apr 26 2017, 12:57 PM Zippy69 Had the LS6 V8 914 up to 155 MPH at Pocono at 11:2... Apr 27 2017, 02:20 PM 6freak
Had the LS6 V8 914 up to 155 MPH at Pocono at 11:... May 1 2017, 08:50 AM sechszylinder Some time ago, I drove with approx. 118 mph on a g... May 4 2017, 09:43 AM SirAndy Some time ago, I drove with approx. 118 mph on a g... May 4 2017, 11:09 AM sechszylinder
Some time ago, I drove with approx. 118 mph on a ... May 4 2017, 12:08 PM 6freak
Some time ago, I drove with approx. 118 mph on a ... May 4 2017, 02:55 PM Treknwil I had my stock 1970 1.7L up to 125, but it felt li... May 4 2017, 12:02 PM AZBanks High speed is easy in a 914. You just need the pro... May 4 2017, 10:04 PM Al Meredith I'm not sure Jake Raby still reads this site. ... May 5 2017, 05:01 PM |
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