I'd heard 600 lbs for the steel frames and a 300# savings for the aluminum frames
Will, where do you get those figures from? It would be interesting to take a fully stripped frame and weigh it, just to see ..Regardless, 300lbs weight savings would be great
[This message has been edited by Erik (edited 03-09-2005).]
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02:50 PM
Lilchief Member
Posts: 1738 From: Vevay,Indiana Registered: Feb 2004
The bender isn't anything fancy, just a beefed up copy of an All-Star bender. Cost about $300 to build. I can whip up some drawings and a component list if anyone wants to build one. I've had better but this one is portable and stores easily.
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12:26 AM
toddshotrods Member
Posts: 1177 From: Columbus, OH, USA Registered: Aug 2004
Originally posted by Will: I'd heard 600 lbs for the steel frames and a 300# savings for the aluminum frames
I think I read the same thing in a book on the history of the Fiero. A PFF member loaned the book to me, so I don't have it to recheck the numbers. I think the Fiero Store sells the book though.
There are a lot of double and triple wall sections that make the space frame strong and heavy. It's amazing how much weight you can build up with plain old sheet metal.
------------------ Todd Perkins - the member formerly known as "perkidelic" todd's hot rods
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12:48 AM
Erik Member
Posts: 5625 From: Des Moines, Iowa Registered: Jul 2002
I think I read the same thing in a book on the history of the Fiero. A PFF member loaned the book to me, so I don't have it to recheck the numbers. I think the Fiero Store sells the book though.
There are a lot of double and triple wall sections that make the space frame strong and heavy. It's amazing how much weight you can build up with plain old sheet metal.
Yeah the stock frame is quite deceptive in appearance..it doesnt look as heavy as it is ..Gusshotrod, do you have any idea what your frame weighs?
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01:22 AM
Mar 11th, 2005
Bobert Member
Posts: 371 From: Toronto, Canada Registered: Jan 2002
About the welding: It depends on what material you want to use. I used Mig on everything. Some of the radius rods need pre-heat and slow cool because of the Moly ends. If TIG was used you could bypass this step. You could substitute moly tube for most of the car if you wanted which would then have to be TIG welded. The sheet metal could be TIG or MIG, whatever you are comfortable with.
The front suspension is finished. I didn't like the rear upper a-arms so I am redoing them, then I will get it outside and get some good pics (maybe tomorrow).
Nice work ! Thanks for sharing all the information + for you.
Also decided to switch to C5 spindles on the rear also. I am changing the rear clip around to make this happen. At least I didn't have to cut it ALL off. Should have this done tommorow.
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07:20 PM
PFF
System Bot
R Runner Member
Posts: 3694 From: Scottsville, KY Registered: Feb 2003
How about that... I have the same pedals! (I love them!) Not to critique but, are you going to reinforce the steering shaft mount? One square tube may not be enough.
Tough to see in this picture. Just trying to help make your car better. Even mine is a bit flimsy for my taste.
The bender isn't anything fancy, just a beefed up copy of an All-Star bender. Cost about $300 to build. I can whip up some drawings and a component list if anyone wants to build one. I've had better but this one is portable and stores easily.
Major problems. I installed the trans in the car to figure out the shift linkage and discovered that the trans won't go into any gear. The shift rod will move forward and backward fine but will not go side to side. It will not go into any gear. I paid $2000 for this thing. A rebuild will run $3500. I am so screwed.
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06:48 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
Major problems. I installed the trans in the car to figure out the shift linkage and discovered that the trans won't go into any gear. The shift rod will move forward and backward fine but will not go side to side. It will not go into any gear. I paid $2000 for this thing. A rebuild will run $3500. I am so screwed.
first of all why is the trans in upside down stater goes on top
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07:12 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
the shaft must go all the way in then back out you will feel 3 detents fine the center detent then you will move right and left the neutral point is not easy to find on the first few times
The G50 has to be run inverted as you can't flip the ring gear. From the Ultima forums: This trans was originally designed and used by Porsche to run like this. It was originally used for racing. When it was later used in production cars it was flipped over. The torque rating for the tranny is actually higher when run installed as shown.
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07:18 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
The G50 has to be run inverted as you can't flip the ring gear. From the Ultima forums: This trans was originally designed and used by Porsche to run like this. It was originally used for racing. When it was later used in production cars it was flipped over. The torque rating for the tranny is actually higher when run installed as shown.
no porsche trans is run upside down the G50 has to be machined to flip the diff they chage 1500 to 2000 to convert them and all the 85 up 911 turbo porsches use the G50 as it is the replacement for the 915 transaxle
Bubba, the Ultimas are designed and use the trans mounted as shown. I got the three detents, tried what you said, got nothing.
the recomened trans axle use in the ultima is audi 5000 6 spd I have the articals on the car from kitcar magazine and went to the site and it also states 5000 audi transaxle
to flip the diff in the G50 the case is cut in the flywheel area and a hump weled in to clear the diff when fliped and if you look at the Porsche boxter it uses the G50 6spd and it is not upside down when you turn the trans upside down you will starve the gears in the trans section for oil as it the fill level will not be high enought for the gears to sit in the oil and oil will not reach the bearings properly check out runigade hybreads for the info on flipping the diff
this is the proper orentation of the transaxle
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07:50 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
WIth the trans in neutral, I can rotate the shaft clock wise and pull straght back and get a gear. Nothing else.
remove the rear cover where the shaft goes in then check the 3 forks and se if one is not in the neutral position this happens all to often when the trans is droped on the selector shaft re set the neutral position on all three shafts reinstall the cover then check the shifts
For what it is worth, I run the 930 gear box upside down. I have discussed a sprayer for the ring gear and such, but I am told by Renigade Hybrids (NV) that the box still gets about 90% of the lubrication in this position. Since I am running less than 30 minutes at a time, I have just mounted a temp sensor in the tranny and will keep an eye on it.
Paul
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08:28 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
from this i can see that the trans is a 5 spd and one of the shafts has a broken fork in the second pic I can see where the shaft is suposed to be and it is not there all I see is the detent ball these trans are easy to work on if you take your time opening the case
[This message has been edited by bubbajoexxx (edited 03-14-2005).]
www.ultimacars: this is a quote under pricing for standard kit: "complete transaxle kit to suit Porsche G50 including transaxle invert kit".
if you want the TRANSAXLE TO LIVE FLIP THE DIFF YOU DONT WANT TO SEE ONE OF THESE DETONATE i HAVE and it is very dangerous these transaxles are not ment to run upside down they share the oil with the diff and gearbox draw a line from the center of the gear box and see where the oil level will be in the diff case and you will see the oil will be in line with the clutchshaft
For racing, the G-50 has experienced some difficulties with ring & pinion failures. Rennsport Systems recommends installing a transmission cooler and pump when power levels reach the 350 HP level and above. Pressurized lubrication to the ring & pinion as well as the gearsets is also worthwhile under these stresses.
[This message has been edited by bubbajoexxx (edited 03-14-2005).]
Sure looks like that Ultima is running an inverted box to me.
quote
Originally posted by bubbajoexxx: if you want the TRANSAXLE TO LIVE FLIP THE DIFF YOU DONT WANT TO SEE ONE OF THESE DETONATE i HAVE and it is very dangerous these transaxles are not ment to run upside down they share the oil with the diff and gearbox draw a line from the center of the gear box and see where the oil level will be in the diff case and you will see the oil will be in line with the clutchshaft
For racing, the G-50 has experienced some difficulties with ring & pinion failures. Rennsport Systems recommends installing a transmission cooler and pump when power levels reach the 350 HP level and above. Pressurized lubrication to the ring & pinion as well as the gearsets is also worthwhile under these stresses.
When pressure lubing gear mesh, be sure to use a misting nozzle, as a stream or spray into the gear mesh will froth your oil.
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09:11 PM
bubbajoexxx Member
Posts: 1630 From: Ontario Canada Registered: Aug 2003
Originally posted by R Runner: For what it is worth, I run the 930 gear box upside down. I have discussed a sprayer for the ring gear and such, but I am told by Renigade Hybrids (NV) that the box still gets about 90% of the lubrication in this position. Since I am running less than 30 minutes at a time, I have just mounted a temp sensor in the tranny and will keep an eye on it.
Paul
VanDerLey? Niiice... What work did he do for you? Wcapman's new Northstar was balanced by Vanderley. I'm going to see if I can get a local shop to do the same balance/weight relief on my crank.
I think I read the same thing in a book on the history of the Fiero. A PFF member loaned the book to me, so I don't have it to recheck the numbers. I think the Fiero Store sells the book though.
There are a lot of double and triple wall sections that make the space frame strong and heavy. It's amazing how much weight you can build up with plain old sheet metal.
That would be me I will see if I can dig that book up tonight and get the numbers you are talking about in a day or two.