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Search: Posts Made By: James J
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Forum: C4 Parts for Sale/Wanted
03-04-2013, 09:36 PM
Replies: 4
Views: 717
Posted By James J

As it turns out, the u-joint bosses in these...

As it turns out, the u-joint bosses in these shafts are stretched. Denny's will fix them but it's probably not worth it. Sorry to waste everyones time.
Forum: C4 Parts for Sale/Wanted
02-20-2013, 01:12 PM
Replies: 4
Views: 717
Posted By James J

Denny's nitrous ready C-4 half shafts - 1991 - 96 for sale

Denny's part number: C-1351939 - see Denny's website for details.

I purchased these half shafts new from Dennys last year. Used them one weekend road racing. They are too heavy to use with a dog...
Forum: C4 Parts for Sale/Wanted
11-09-2012, 03:33 PM
Replies: 2
Views: 673
Posted By James J

Dana 44 housing

I have a used Dana 44 housing for sale. It has a couple of cracks in the sides that have been repaired, and the pinion bearing was spun previously. I have used it in my race car since then but -...
Forum: C4 Tech/Performance
07-31-2012, 03:25 PM
Replies: 6
Views: 2,454
Posted By James J

Thanks. I've seen photos and talked with Paul at...

Thanks. I've seen photos and talked with Paul at Newman. Their unit seems like the best choice for me.

I've considered machining a billet collar to slide onto the nose of the casting in the...
Forum: C4 Tech/Performance
07-31-2012, 03:16 PM
Replies: 6
Views: 2,454
Posted By James J

Talked with Newmans - he seemed trustworthy and...

Talked with Newmans - he seemed trustworthy and was very informative.

The bearing race (singular) closest to the ring gear spun in the alum case as you assumed.

I have rebuild another diff with...
Forum: C4 Tech/Performance
07-30-2012, 11:28 AM
Replies: 6
Views: 2,454
Posted By James J

Dana 44 - Newman Car creations housing durability

Does anyone have good or bad experiences with this unit?

I road race with a Jerico dog ring trans, around 575 flywheel h.p. in a 2900# C-4. The pinion bearing race spins in the case and damaged...
Forum: Autocrossing & Roadracing
03-06-2012, 06:05 PM
Replies: 42
Views: 5,959
Posted By James J

Do you have any 305/660/18 Continentals left?

Do you have any 305/660/18 Continentals left?
Forum: Autocrossing & Roadracing
11-12-2011, 04:48 PM
Replies: 0
Views: 3,306
Posted By James J

17" x 12" wide CCW classic wheels - C-4 for sale

2 each 12" wide by 17" diameter CCW classic wheels. Great shape for racing but not cosmetically perfect without professional polishing.

$250 each plus shipping

photos available

"SOLD!!"
Forum: C4 Parts for Sale/Wanted
10-12-2011, 07:14 PM
Replies: 2
Views: 435
Posted By James J

Carbon Fiber C-4 hood wanted

I'm looking for a carbon fiber hood with no head lights, reinforcing or hinge connection provisions.
Forum: C4 Tech/Performance
09-29-2011, 12:12 PM
Replies: 46
Views: 6,258
Posted By James J

$50 bearing ??

I'm interested to know where you find new bearings that last more than 10 minutes for $50. Every time, without exception, I've purchased cheap bearings they fail quickly.

I realize C-4 bearings...
Forum: C4 Tech/Performance
09-20-2011, 11:01 PM
Replies: 46
Views: 6,258
Posted By James J

rear wheel bearing update

I raced the car last weekend, however I destroyed a half shaft (new denny's nitrous ready shafts ordered today) and only made about 10 laps on the bearings. For what it's worth, the rear bearings are...
Forum: C4 Tech/Performance
09-13-2011, 10:49 PM
Replies: 46
Views: 6,258
Posted By James J

The front bearings can not be rebuilt but the...

The front bearings can not be rebuilt but the back can if they have modular roller bearings like the one in your photo.

I'm in the midst of testing the replacement bearings. I damaged my...
Forum: C4 Tech/Performance
07-27-2011, 05:19 PM
Replies: 46
Views: 6,258
Posted By James J

I have brake cooling ducts for the front wheels...

I have brake cooling ducts for the front wheels which cool the hubs too but not for the back brakes / hubs.

I have considered ways to stop the heat from soaking from the brake rotors into the...
Forum: C4 Tech/Performance
07-22-2011, 08:40 PM
Replies: 46
Views: 6,258
Posted By James J

Rear wheel bearing replacement update

I ran the car last weekend with the new bearings. I machined the stock retainers flat and installed new hardened washers before the race. I ran two twenty minute practice sessions on the east track...
Forum: C4 Tech/Performance
07-01-2011, 11:42 PM
Replies: 10
Views: 3,686
Posted By James J

added note to 383vett's answer

I agree with 383vett but would add the following. Most driveshaft shops (at least where I live) balance shafts to a max 3,500 rpm. If you race the car, it has a manual trans and you rev it 6,000 in...
Forum: C4 Tech/Performance
07-01-2011, 11:28 PM
Replies: 18
Views: 4,706
Posted By James J

photo

I'd like to see a photo of the failed hub if you still have it. Perhaps I can help solve the problem.

On your next set of front hubs, before you put them on the car, remove the plastic cap with...
Forum: C4 Tech/Performance
06-25-2011, 09:54 AM
Replies: 46
Views: 6,258
Posted By James J

Thanks for the lead. I've contacted Ralph....

Thanks for the lead.

I've contacted Ralph. He has bearings for sale and I'll buy a few if my experiment doesn't lengthen rear wheel bearing life and make it cheaper to fix when they fail.
Forum: C4 Tech/Performance
06-25-2011, 09:26 AM
Replies: 5
Views: 1,653
Posted By James J

Newman's piece is very nice - and well worth the...

Newman's piece is very nice - and well worth the cost. Thanks for the heads up - I was not aware of that option.
Forum: C4 Tech/Performance
06-24-2011, 11:31 AM
Replies: 5
Views: 1,653
Posted By James J

After researching the costs I can determine,...

After researching the costs I can determine, alloy composition test, welding, heat treat and machining, replacement is the way to go.

I learned a few things working on it - thank you for your...
Forum: C4 Tech/Performance
06-23-2011, 11:18 PM
Replies: 5
Views: 1,653
Posted By James J

Dana 44 case material specification

Does anyone know what alloy a Dana 44 case is made of? I need to repair mine (spun a pinion bearing race) I plan to heat treat it after the welding is done, and the heat treating shop won't do it...
Forum: C4 Tech/Performance
06-23-2011, 11:03 PM
Replies: 46
Views: 6,258
Posted By James J

Picture of "soft" washer

Dave,

Go to this post and look at the first photo - it shows the soft washer next to the hub shaft and flange piece.
...
Forum: C4 Tech/Performance
06-21-2011, 03:12 PM
Replies: 46
Views: 6,258
Posted By James J

Not sure I understand your question Dave, but the...

Not sure I understand your question Dave, but the replacement NTN / BCA bearing assembly has tapered roller bearings back to back, identical to the bearings that came in the hub from WBI.

The...
Forum: C4 Tech/Performance
06-20-2011, 11:49 PM
Replies: 161
Views: 18,646
Posted By James J

Yes, this bearing can be reassembled with a new...

Yes, this bearing can be reassembled with a new bearing set - see my post "wheel bearing replacement project" posted June 18-19, 2011 for more details. Ready for questions.
Forum: C4 Tech/Performance
06-20-2011, 06:11 PM
Replies: 46
Views: 6,258
Posted By James J

progress - - -

I successfully removed the outer bearing race from the hub housing today. I had to heat up the housing before it would press out.

Now all I have to do is install the new bearing assembly. The...
Forum: C4 Tech/Performance
06-20-2011, 10:07 AM
Replies: 46
Views: 6,258
Posted By James J

Thanks, some good luck may be in order. ...

Thanks, some good luck may be in order.

The replacement bearing noted in the post is identical to the unit that came in the hub. How can it not work?

The only question I have at this point...
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