914_1.8t
May 6 2011, 06:07 PM
So, I'm in the process of aquiring a 914 project and am trying to plan as far forward as possible, In particular the suspension.
Plan is to modify the trailing arms and turn them into either a 5-Link suspension or uneven length A-Arms. I'm looking for any pics or details on those who have gone this route.
In particular, with an dual A-Arm setup in the rear, what lengths/angles should I use for the A-Arms? What about 5-link? I know the question is a bit vague and I don't have many details at the moment but I'll be working towards finalizing something soon. Appreciate any feedback and PICS.
VaccaRabite
May 6 2011, 06:12 PM
Are you going tube frame or something?
What you are describing is... not easy.
Zach
914_1.8t
May 6 2011, 06:18 PM
QUOTE(Vacca Rabite @ May 6 2011, 05:12 PM)
Are you going tube frame or something?
What you are describing is... not easy.
Zach
Yes, tube frame and not expecting easy
bondo
May 6 2011, 06:35 PM
I wouldn't do the rear... unless you plan to put the transmission someplace else.
914_1.8t
May 6 2011, 06:51 PM
QUOTE(bondo @ May 6 2011, 05:35 PM)
I wouldn't do the rear... unless you plan to put the transmission someplace else.
I'm thinking something along these lines:
Chris Hamilton
May 6 2011, 07:00 PM
Where are those photos from?
bondo
May 6 2011, 07:41 PM
Wow, somebody did it! (or at least started doing it)
I'm skeptical that by the time you make the compromises necessary to get it into the available space you would have any measurable performance benefit. Of course if you go mega-widebody anything is possible
rohar
May 6 2011, 08:45 PM
I've thought of just grabbing one of these, some 1" 16 gauge and a welder. Move everything that's in the way and stick it in:
It's a touch wider than stock track but should fit nicely under flares. $300 at the local pick and pull. Maybe after the engine conversion is done.
quadracerx
May 6 2011, 09:03 PM
So what is that suspension from? I cant really tell if it has provisions for the CV Shafts or what? But Im old and blind too....
Looks like fun though....
Steve
bam914
May 6 2011, 09:15 PM
Looks like a Miata rear suspension
rohar
May 6 2011, 09:34 PM
Yup, Miata. It's been a while since I worked on 'em, but from memory they should come pretty close to fitting around the 901 tranny. The locost guys have been working with miata rear suspension and worked up their own rear framing diagrams. I'll see if I can't find them.
Hubs might get a bit sketchy...
andys
May 6 2011, 09:44 PM
If you graft in a Boxster suspension and 5 speed trans, it will bolt up to that 1.8T....if that's indeed the power plant you're looking to do. I seem to recall someone doing one, but was pretty secretive about it.
byndbad914 has a tube framed A arm suspended racer (with SBC). Though he recently re-configured the suspension, it originally had a 5 link rear.
Andys
enderw88
May 6 2011, 10:32 PM
QUOTE(rohar @ May 6 2011, 08:34 PM)
Yup, Miata. It's been a while since I worked on 'em, but from memory they should come pretty close to fitting around the 901 tranny. The locost guys have been working with miata rear suspension and worked up their own rear framing diagrams. I'll see if I can't find them.
Hubs might get a bit sketchy...
I have accurate drawings of the Miata front and rear suspensions in the
drawings section of my website.
rohar
May 6 2011, 10:33 PM
If I had unlimited funds, I'd go the boxster route. Use the boxster cross brace as a jig for a custom fit brace with the same suspension points contoured to the 914 chassis.
I'm already converting to an audi box so this seems the obvious next step.
914_1.8t
May 6 2011, 11:23 PM
QUOTE(Chris Hamilton @ May 6 2011, 06:00 PM)
Where are those photos from?
Think I got them from this site some time ago?
I'm trying to look at other cars to figure out how to design it...trying to find software online that is cheap and free with no/minimal luck. Theres Wingeo3 but susprog3 but they are not free/cheap.
Basically plan so far is to modify the trailing arm as in the pics and figure out suspension geometry from there...legth/angle of upper and lower control arms in order to get good handling. Was hoping someone may have gone this route and have some data.
Jeff Hail
May 7 2011, 12:21 AM
Go for it!!
Boxster rear suspension with the crossmember can be adapted to fit a 914 with substancial modifications. All considering it is an extremely light weight add on and the geometry is within par for the 914. These can be obtained fairly cheap from P-Car dismantlers.
The front end is a different animal. Best investment is going with coil over shocks and ERP 935 setup. Not cheap but the best bang for the buck.
914_1.8t
May 7 2011, 11:36 AM
QUOTE(andys @ May 6 2011, 08:44 PM)
If you graft in a Boxster suspension and 5 speed trans, it will bolt up to that 1.8T....if that's indeed the power plant you're looking to do. I seem to recall someone doing one, but was pretty secretive about it.
byndbad914 has a tube framed A arm suspended racer (with SBC). Though he recently re-configured the suspension, it originally had a 5 link rear.
Andys
I had done the 1.8t swap about 5 years ago in my old...audi/vw long motors/trans can be mounted to boxster engine/trans. I actually used a pasat/a4 fwd teams last time with boxter cable shifter and early 911 axles & hubs (with spacer at trans). New setup will be 2.7t with single turbo/o1e 6spd.
Ideally, if like to able to find a spindle (dual a-arm type) to use (and find some oem axles) and possiblyuse stock a-arms , figure out the geometry and design the frame of the car around that.
Boxster may be best way to go?
andys
May 7 2011, 12:24 PM
Doing a double A arm front suspension takes quite a bit work to get everything to work in concert. If you retrofit an existing stock suspension from car X, you may be limited with making adjustments which might evolve into significant mod's later on. An adjustable suspension would be far more forgiving and lend itself to moving things around to get the right geometry. You might look at the A arm offerings from UBC Machine (stock car stuff, and it's cheap.). That said however, I might be inclined to stay with the stock Porsche front strut to keep things simple. A lot delends on your goals, IMO.
Andys
roadster fan
May 7 2011, 02:16 PM
QUOTE(Chris Hamilton @ May 6 2011, 06:00 PM)
Where are those photos from?
Those pics are from member Slugmika's build of his 914 race car. The thread is here:
slugmika buildHas some interesting fabrication and suspension stuff on that car.
Jim
Dave_Darling
May 7 2011, 04:49 PM
Someone has put a 993 rear suspension, complete with subrame, into a 914 before. I think it may have been Ron Mistak in his 911GT-1 clone 914-6 racer. It was pretty darned cool, and the cast aluminum subframe is unmistakeable.
--DD
yellowporky
May 7 2011, 10:14 PM
Are you in east sf bay area? If so call me I am in Martinez, Ca. I can show you my car.
925-330-2025
Chris
914_1.8t
May 8 2011, 01:05 PM
QUOTE(Chris Scott @ May 7 2011, 09:14 PM)
Are you in east sf bay area? If so call me I am in Martinez, Ca. I can show you my car.
925-330-2025
Chris
I'll give you a call later on today...what type of suspension do you have?
yellowporky
May 8 2011, 02:33 PM
You will not be disapointed when you see it.
Chris
Mike Bellis
May 8 2011, 05:05 PM
QUOTE(Chris Scott @ May 8 2011, 01:33 PM)
You will not be disapointed when you see it.
Chris
yellowporky
May 9 2011, 12:07 AM
yellowporky
May 9 2011, 11:36 PM
914_1.8t
May 10 2011, 12:02 AM
QUOTE(Chris Scott @ May 9 2011, 10:36 PM)
Wow...you were not kidding. Can't wait to see it in person.
McMark
May 10 2011, 10:54 AM
Whaaaaaaaaaaaaa?! We need lots more and bigger pics!
Andyrew
May 10 2011, 11:41 AM
WHAAAAAT?
That looks really nice!
yellowporky
May 10 2011, 12:39 PM
yellowporky
May 10 2011, 12:44 PM
yellowporky
May 10 2011, 12:50 PM
Rand
May 10 2011, 12:55 PM
Chris, please start a build thread. Now that you've posted a couple pics, there are a few thousand guys here who are dying to know more about your car!
Is that the permanent exhaust location? What engine? More more more more!
yellowporky
May 10 2011, 12:57 PM
Andyrew
May 10 2011, 01:28 PM
Hard to tell from the pics... Audi 2.7 w/ 6speed gearbox and boxster suspension?
What are those monster tires you have on it? Looks like you need more fender
jcambo7
May 10 2011, 01:55 PM
rohar
May 10 2011, 02:03 PM
Looks like an Audi unit to me. Not sure which one, but the oil filter placement and oil pan kinda gives it away.
Oh, and by the way, OMG!!!!
Chris Pincetich
May 10 2011, 02:13 PM
QUOTE(McMark @ May 10 2011, 09:54 AM)
Whaaaaaaaaaaaaa?! We need lots more and bigger pics!
Is it running yet? Can it roll? How long did it take to get this far?
very inspiring work
RFoulds
May 10 2011, 02:22 PM
Thats frickin' crazy!!
TurboWalt
May 10 2011, 02:31 PM
Badass!
Hontec
May 10 2011, 02:34 PM
964 front suspension and fuel cell
quadracerx
May 10 2011, 02:37 PM
HOLY.....!!! Wow...We do need more pics...PLEASE!! And thanks in advance....
Steve
yellowporky
May 11 2011, 12:23 AM
-Engine is the 2.7 tt from an audi s4 with a stand alone ecu.
-Trans is a 5 speed boxster trans (audi 012) with boxster cable shifters
-Muffler is from a boxster S and chopped up
-The front and rear suspension are off of a 993 w/H&R springs
-Fuel tank is from a 964
-The Sc flares had to be cut off to accomodate the new stance and we have 930 flare to replace them.
-Car is a roller and the engine has been running in the chassis. Still working on completing all of the plumbing. I will post some updates on a thread in the future as work and family is slowing progress.
Thank you to all for the positive comments
Chris
sixnotfour
May 11 2011, 12:36 AM
Damn nice work.
Here is the Mistak rear
Britain Smith
May 11 2011, 12:42 AM
It is pretty cool how well that 993 suspension fits.
-Britain
Hontec
May 11 2011, 01:37 AM
excellent work!! true, that 993 suspension fit's extremely well!
yellowporky
May 11 2011, 01:53 AM
I have seen photos of the Mistak car before. It is a nice race car.
My car is going to be a grocery getter and sunday driver. I think that it will be a very refined driver with the modern engine, suspension, power steering and power brakes.
yellowporky
May 11 2011, 02:02 AM
Britain Smith
May 12 2011, 12:06 AM
Ok, now you are just making us all jealous
-Britain
yellowporky
May 12 2011, 12:11 AM
You say that like its a bad thing
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