 Tube chassis or 914?, pros and con's? |
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| 914GTSTI |
 Nov 28 2012, 04:48 PM
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#1
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Member  Group: Members Posts: 270 Joined: 16-September 07 From: Glendale AZ Member No.: 8,123 Region Association: None  |
Been thinking about building a 908-3 wannabe. Have a 914 chassis that could be used. Power will be 1995 JDM Sti and will use its tran's with a adaptor for FWD.
Is their a reason for not using the 914 front suspension? Anybe update to a 911sc? What about the rear? Tube front? Tube rear? All tube? Thanks for the help! |
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| URY914 |
Nov 28 2012, 06:37 PM
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#2
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I built the lightest 914 in the history of mankind. Group: Members Posts: 121,070 Joined: 3-February 03 From: Jacksonville, FL Member No.: 222 Region Association: None |
Go 100% tube frame and don't use 40 year old 914 parts. Get a wrecked Boxster and use the bits off of it.
It should only take you 2-5 years, Have fun. Post plenty of pics. (IMG:style_emoticons/default/biggrin.gif) |
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| 914GTSTI |
Nov 28 2012, 07:02 PM
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#3
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Member Group: Members Posts: 270 Joined: 16-September 07 From: Glendale AZ Member No.: 8,123 Region Association: None |
Naa, it does't not take that long!
(IMG:http://www.914world.com/bbs2/uploads_offsite/i916.photobucket.com-8123-1354150928.1.jpg) |
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| Andyrew |
Nov 28 2012, 07:04 PM
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#4
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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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Nah just build your own suspension and go tube. Start with a Middy chassis design from the lowcost7 forums and modify it to fit.
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| 914GTSTI |
Nov 28 2012, 07:14 PM
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#5
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Member Group: Members Posts: 270 Joined: 16-September 07 From: Glendale AZ Member No.: 8,123 Region Association: None |
What about the 914/911 front end? Here is a A frame system I built but??? Maybe using something from Porsche would be better?
(IMG:http://www.914world.com/bbs2/uploads_offsite/i916.photobucket.com-8123-1354151667.1.jpg) |
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| GeorgeRud |
Nov 28 2012, 07:48 PM
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#6
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Advanced Member Group: Members Posts: 3,725 Joined: 27-July 05 From: Chicagoland Member No.: 4,482 Region Association: Upper MidWest |
Nothing special about the Porsche front suspension - an A arm setup should work fine. The Porsche struts are nice as it allows trunk room and is simple, but I'm sure all modern race cars use A arms whenever allowed.
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| bulitt |
Nov 28 2012, 08:02 PM
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#7
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Achtzylinder Group: Members Posts: 4,188 Joined: 2-October 11 Member No.: 13,632 Region Association: South East States |
ask member "byndbad"
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| 914GTSTI |
Nov 28 2012, 10:14 PM
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#8
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Member Group: Members Posts: 270 Joined: 16-September 07 From: Glendale AZ Member No.: 8,123 Region Association: None |
What about the title and Inc? Is that a good reason? Their must be a reason.
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| jd74914 |
Nov 29 2012, 09:49 AM
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#9
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Its alive Group: Members Posts: 4,782 Joined: 16-February 04 From: CT Member No.: 1,659 Region Association: North East States |
I'm in the "It's so choice. If you have the means, I highly recommend picking one up " camp regarding tube frames. (IMG:style_emoticons/default/laugh.gif)
All tube is probably easier as you don't need to worry about dealing with old metal and really can have everything exactly where you want it. The only catch is that you really should do some rough suspension calculations (camber gain, etc) before you put a custom suspension (or OEM suspension) from some other vehicle on to make sure nothing really weird is going to happen. You can even do this using cardboard and tacks. Note: I might be biased since I've worked on way too many FSAE cars... Attached image(s) 
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| bulitt |
Nov 29 2012, 02:50 PM
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#10
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Achtzylinder Group: Members Posts: 4,188 Joined: 2-October 11 Member No.: 13,632 Region Association: South East States |
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| osvolant |
Nov 29 2012, 09:34 PM
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#11
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Newbie Group: Members Posts: 33 Joined: 31-August 09 From: Oak Ridge, TN Member No.: 10,748 Region Association: South East States |
Take a look at the Factory Five 818 car. Tube frame/fiberglass body designed to be used with Subaru WRX running gear. At least it'll give you some ideas.
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