Go Back   VetteMOD.com > VetteMOD Technical Discussion > Classic Corvettes

Reply
 
Thread Tools
  #491  
Old 07-07-2019, 09:33 PM
phantomjock's Avatar
phantomjock phantomjock is offline
United States | Addict
 
Join Date: Sep 2009
Location: Retired Again!
Posts: 1,278
My Photos: (663)
Default

I was just going through yesterday's mail... There was a flyer from Coleman Racing. Thought this "might apply."

Have you considered a new driveshaft? They have 2.5, 3, 3.5" dia Aluminum shafts. The 2.5 are rated to 450HP. Now, if you want to shop at Summit, they've got some that are Torque Rated to 500 FT#s, and I see Jegs and Speedway have some in CF. There has to be some (weight) savings there and probably get the CF at about $550, the Aluminum ones significantly less. At Coleman, the 3" advertises 8# weight savings over steel

I'm going to be in the market eventually myself. Just buy a new one rather than mess with a cut-down, machining effort.

They're also advertising lightweight Harmonic Balancers, FWIW. Sorry no coupons on either!

Cheers - Jim
__________________
Rebuilder's Zen Saying:
One thought leads to another. If these thoughts link into a chain we become bound to the project. This bondage is subtle and remains until we complete the tasks -- or, STOP Thinking!
[Only registered and activated users can see links. Click Here To Register...]
Reply With Quote
  #492  
Old 07-07-2019, 11:33 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default

Quote:
Originally Posted by phantomjock View Post
I was just going through yesterday's mail... There was a flyer from Coleman Racing. Thought this "might apply."

Have you considered a new driveshaft? They have 2.5, 3, 3.5" dia Aluminum shafts. The 2.5 are rated to 450HP. Now, if you want to shop at Summit, they've got some that are Torque Rated to 500 FT#s, and I see Jegs and Speedway have some in CF. There has to be some (weight) savings there and probably get the CF at about $550, the Aluminum ones significantly less. At Coleman, the 3" advertises 8# weight savings over steel

I'm going to be in the market eventually myself. Just buy a new one rather than mess with a cut-down, machining effort.

They're also advertising lightweight Harmonic Balancers, FWIW. Sorry no coupons on either!

Cheers - Jim
I've been looking at aluminum driveshaft options for quite some time, but without success. My stock 2" steel driveshaft weighs 10# (with u-joints). The aluminum shafts I've seen don't have much weight difference (to offset the cost), and their bigger diameter usually results in a larger MoI (bad for accels and decels, but the lighter weight is better in the corners).

To make the economics work, I would need to find a cheap used shaft, and then have it shortened to fit. I've looked at C4 driveshafts, but they are already too short.

I'll take a look at the balancers. Thanks.
Reply With Quote
  #493  
Old 07-10-2019, 07:11 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default Lightweight balancers

I took a look at the Coleman website, and if I understand the selection, they all appear to be for small blocks.

I've got a Fluidamper on mine. I like its design and construction, but if I see a lighter weight BBC part of comparable performance, I might be persuaded to sell and replace mine. Your post has sparked my interest in seeing if there's any decent candidates out there.
Reply With Quote
  #494  
Old 07-11-2019, 02:09 AM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default "New" radiator installed.

Got the mounts fabricated and the radiator installed. Fits well. I painted the rear surface (only) with Eastwood radiator black paint. Looks natural, and less eye catching now. I've got the hose shapes worked out, and am working on the coupling adapters at the moment. Hoping to get the engine fired up this weekend. If the radiator works sufficiently while the car is moving, I'll spend some time fabricating a thin aluminum fan shroud for low speed operation.
Reply With Quote
  #495  
Old 07-15-2019, 02:31 PM
BBShark's Avatar
BBShark BBShark is online now
United States | Garage Monkey
 
Join Date: Mar 2008
Location: Right here
Posts: 4,407
My Photos: (271)
Default

What about those jute mats they put under interior carpet? I'm not sure if the early C3's had it or not or if it's very heavy. I have taken it out of 60's and 70's cars and sort of remember it has being pretty heavy considering the amount of it.

Probably not to awful of a job to remove but could take some time. Maybe a winter project?
__________________
Reply With Quote
  #496  
Old 07-18-2019, 09:13 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default

Quote:
Originally Posted by BBShark View Post
What about those jute mats they put under interior carpet? I'm not sure if the early C3's had it or not or if it's very heavy. I have taken it out of 60's and 70's cars and sort of remember it has being pretty heavy considering the amount of it.

Probably not to awful of a job to remove but could take some time. Maybe a winter project?
I'll confess I haven't looked closely at what's under the carpet (since about 1979 when I put the new carpeting in). I'll take a peek at it and see what things look like. Thanks.
Reply With Quote
  #497  
Old 07-18-2019, 09:25 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default

Got the radiator sealed up around the periphery, the hoses all pieced together and the coolant filled up again (no shroud yet, but not planning on too much time idling in the driveway). Just gotta get a few gallons of fresh fuel to get me around the block a few times to see how this radiator cools/works. It's like 95* here lately, so this ought to be a decent test.

Found some grade 5, 3/8" x 10" bolts the other day, and swapped out the rear spring hanger bolts. A touch over four ounces per bolt reduction, so a bit over half a pound off there. I'm still trying to find some grade 8 bolts for this application, and will swap these out when I find some. (Long boring story of my experiences so far trying to get some bolts online.)
Reply With Quote
  #498  
Old 07-19-2019, 09:58 AM
phantomjock's Avatar
phantomjock phantomjock is offline
United States | Addict
 
Join Date: Sep 2009
Location: Retired Again!
Posts: 1,278
My Photos: (663)
Default

Didn't look to see if I already offered this. But; "While You're At It..."
This was under the rear section of my '78:

Sound deadening material.
Happy Hunting.

Cheers - Jim
Reply With Quote
  #499  
Old 07-19-2019, 03:42 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default

Quote:
Originally Posted by phantomjock View Post
Didn't look to see if I already offered this. But; "While You're At It..."
This was under the rear section of my '78:

Sound deadening material.
Happy Hunting.

Cheers - Jim
I appreciate the info/data.
Reply With Quote
  #500  
Old 07-19-2019, 03:58 PM
69427's Avatar
69427 69427 is offline
United States | The Artist formerly known as Turbo84
 
Join Date: Mar 2008
Location: Clinging to my guns and religion in KCMO.
Posts: 2,705
My Photos: (2)
Default Steering column weight.

Was looking at a steering column I got from Gene a few years back. It's the standard column, which is lighter than my t&t column. While figuring out what small parts I need to procure sometime, I took a magnet to the column to see what was steel and what was aluminum. The top/visible stuff is aluminum, and the shafts and tubing/mounts are steel. It looks like it would be pretty straightforward to replace the tubing/mount section in aluminum, and take perhaps five pounds off this column (plus the weight of the t&t mechanism).

Anyone here a quasi expert on steering columns? I need to scrounge up some odds and ends parts for this project, particularly the key switch and the wheel/horn mounting hardware. With the bolt-on steering wheel (versus the press-on type, I'm curious if these parts are hard to come upon.

Thanks for any help.
Reply With Quote
Reply


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT. The time now is 03:53 PM.
 


Design by: vBulletin Skins Zone
Powered by vBulletin® Version 3.8.5
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.