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2 days ago
jamesolefjensen
I had a clunk in the right rear and eventually figure out that even though the trailing arm pivot bolt was "tight", the treads were rusty enough to prevent a good clamp on the bushing. Basically the bolt was rattling around inside the inner bushing sleeve. I chased the threads; all good now.
Forum: Corvair Center Forum
7 days ago
jamesolefjensen
Yes, it's the cable guide that goes around the pullies under the gas pedal.
Forum: Corvair Center Forum
10 days ago
jamesolefjensen
Is the resistor wire still installed? If the coil and pertronix are feed voltage through the resister wire (which is normal for the coil only in the run condition only) then the pertronix will receive ~9 volts when current is flowing. This is marginal at best (ask me how I know). The tricky part is that when current is not flowing, 12 volts will be read at the coil because its the current flow th
Forum: Corvair Center Forum
10 days ago
jamesolefjensen
Try snapping a picture of the top cover vent and look for evidence of puking. Maybe something is wrong with the it. On my later Saginaw transaxle, the vent fitting/cap is captivated but loose. My guess is gravity keeps it closed but under a little bit of pressure it can burp. Perhaps in your case it's stuck open or something. There's also a baffle on the inside of the cover. In your
Forum: Corvair Center Forum
10 days ago
jamesolefjensen
Personally, I have not measured the rate but it can be calculated. The info above is almost everything needed for accepted design equations. The only thing missing is the outside diameter of the spring. The formulas are out there on the innerweb. If a quick and dirty answer is wanted, we could assume (ass+u+me) that 1285# collapses the spring to the solid height and 13.5" is the free leng
Forum: Corvair Center Forum
11 days ago
jamesolefjensen
Slight typo; I only have one spare tire in my trunk.
Forum: Corvair Center Forum
11 days ago
jamesolefjensen
I installed Clark's front and rear HD springs along with the factory front sway bar, Konis, 16" rims and tires (205/55 on 7", 225/50 on 8"), and rubber bushings everywhere. The overall setup does very well. The ride is comparable to the 86 Corvette I had except it rolls a little more in the turns. For the street, it is tolerable on all but the very worst roads here in CA.
Forum: Corvair Center Forum
26 days ago
jamesolefjensen
This taken from under the dash. The access hole is under the yellow sticker. Sorry for the extreme cropping. It's the only way I can downsize on my Android phone.
Forum: Corvair Center Forum
26 days ago
jamesolefjensen
I just went through something similar with my Corsa tach. Yes, behind the little yellow sticker is an access hole to the potentiometer. With a small flat blade screw driver and patience, adjustments can be made. I won't try to describe my experience with any detail; let's just say a lot of feel was involved. In my case, the tach was reading ~700 rpm to high at 3000 rpm. A quarte
Forum: Corvair Center Forum
29 days ago
jamesolefjensen
Quick update on my tach. I went ahead and adjusted the potentiometer 1/4 turn CCW when facing the rear of the tach and got it pretty close. It right around 3000 rpm at 60 mph and 3700 at 75 mph. I've checked the speedometer with a GPS and it's pretty close so given the tire size and rear end ratio, I think I'm in the ball park. I'll have to aquire a second tach to do t
Forum: Corvair Center Forum
30 days ago
jamesolefjensen
Hey kids. I hope everyone is safe and sane. I'm resurrecting this thread because I have a similar issue with my tach in my Corsa. Long story short, it should be reading 3000 rpm at 60 mph but it's more like 3800rpm. (Speedo is good, 3.55 gears and 225/50R16 tires). I found the little yellow sicker on the back side of the tach and am contemplating making an adjustment in the ca
Forum: Corvair Center Forum
5 weeks ago
jamesolefjensen
Buick v6? Firing order matches. Also, the front end looks like the ole Buick/Olds 215 which (at least one) Buick v6 was based on.
Forum: Corvair Center Forum
5 weeks ago
jamesolefjensen
I came across the spacers I used on the front end of my Corsa. They are Global West 1102. Link below. Based on the wear marks the diameter of this spacer is a tad too big. The wear marks are biased to the inner diameter of the picket. However, they worked fine as far as I could tell.
Forum: Corvair Center Forum
6 weeks ago
jamesolefjensen
When I bought my Corsa, it had chopped springs and was way too low in the front. I bought some generic spacers from summit that got the car up to a reasonable height. Ultimately I installed Clark's HD springs all around (highly recommend). Just make careful measurements of the coil diameter (I'd measure my old spacers but I'm too lazy to go looking for them). I think the lower arm
Forum: Corvair Center Forum
6 weeks ago
jamesolefjensen
One of Carrol Smith's "(fill in the blank) to Win" books has a good explanation of how the NACA duct works. Something to do with vortices spinning into the opening. Back to the overheating V8. Assuming the radiator is in the front, bleed the system with the nose up in the air higher than the engine (or as high as possible). With the coolant pipes going down under the car, it mi
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
I had the oil light sender fail while I was on the San Mateo bridge (10ish miles long with few turnouts). The light would go out if I kept the revs over 3000 rpm. So I drove 80 mph the whole way (3.89 rear end). One of my most nerve racking road experiences ever.
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
I got one from Clark's. Used of course and not too pricey
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
Glass packs are loud. If you like your neighbors, don't install them.
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
I think triple Webers are in this mix (40IDTP)
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
Hey Kids, I am planning on swapping out my transaxle soon and want to replace the clutch at the same time. I might attend to a few unrelated details while the Powerpack is out but for the most part, it will be a straightforward R&R. For the clutch replacement, what parts should I replace? My initial list: - 140 Disk - Throw out bearing - Pilot bearing - Swivel nut (the pin i
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
I forgot to mention, the back lash is .015". This is a little big according to the manual but I think I'll have to live with it.
Forum: Corvair Center Forum
2 months ago
jamesolefjensen
Hey Kids! I hope everyone is safe and sane. Here in the Bay Area, we are heading into a heat wave, 100+ temps by Tuesday...but its a dry heat (I know, we are wimps). I think my differential rebuild is done. The issue I had with the pinion depth turned out to be an error on my part; I did not fully seat the bearing cup/cone/race in the front of the housing. Once fully seated, I got the ge
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Brice, I hope your rebuild goes well. I thought I was doing pretty good until I checked the contact pattern. I'm not sure my little thin jaw puller can get the pinion bearing off in one piece. Speaking of the pinion bearing, there is a post on the radius issue for pinion bearing M88048A. Its for real. Rock Auto has this bearing even though it is not listed for the Corvair. They lis
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Brice, Thank you. This allows me to order shims prior to disassembly without guessing (assuming I can find the right shims). James 65 Corsa
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
I am trying to answer my own questions here. Summit Racing claims these pinion shims fit the Corvair. Can anyone confirm the ID/OD required? James 65 Corsa
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
I neglected to measure the shim when I had it all apart so I have no idea at the moment. I'll disassemble it in the next few days. I'd like to buy an assortment pack. I suppose I won't need the thickest available since the pattern is telling me to go thinner. James 65 Corsa
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Hey everyone. I hope you all are safe and sane. The differential rebuild is moving along. I've checked the contact pattern. It looks like I need a thinner pinion shim. With Clark's closed, is there an alternate Corvair vender out there who sells shims? James 65 Corsa
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Yes, the plug is accessible from the front of the car from underneath. The hole is much smaller than the differential and transmission filler holes so filling it can be tricky. And then there's the question of what to fill it with. When I rebuilt mine, I packed it with wheel bearing grease (because you can when it's all apart) and then poured in some gear lube for good measure. The
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Use the right length fine threaded bolt for sure. It's a safety thing. James 65 Corsa
Forum: Corvair Center Forum
3 months ago
jamesolefjensen
Hey kids, I hope everyone is safe and sane. My differential rebuild is going well. I have the carrier and pinion assembled and have gone through the preload procedure per the 66 manual update. I have a couple of questions: 1) I am missing the clutch shaft seal "washer", item 2 in figure 1 in Chapter 4 of the 65 manual. I'm not sure it was there to start with (or maybe it&
Forum: Corvair Center Forum
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