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Showing results 1 to 25 of 145
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Posts Made By:
shermanator2
Forum:
Pontiac - Street
06-14-2022, 08:31 PM
Replies:
104
Connecting Rod POSITION question
Views:
7,873
Posted By
shermanator2
rod offset and bank to bank offset
Bringing an old thread back to life. Maybe I should start a new one, but there seemed to be some interesting comments in this one, so I will continue it.
I never knew that rods were as asymmetric...
Forum:
Pontiac - Street
06-06-2022, 11:27 AM
Replies:
35
Running roller rockers without guide plates
Views:
4,304
Posted By
shermanator2
I still have the pair of #140 heads that you can...
I still have the pair of #140 heads that you can have for free sitting in San Diego.
Forum:
Electrical Tech
05-23-2022, 11:37 AM
Replies:
4
Voltage Regulator - Am I doing something wrong?
Views:
1,064
Posted By
shermanator2
About a year ago I was helping a friend with his...
About a year ago I was helping a friend with his '63 chevy pick up. I went through four different branded voltage regulators from four different sources including I think the same ACDelco that you...
Forum:
LS Talk
05-23-2022, 11:13 AM
Replies:
8
U-Haul engine in 25' truck?
Views:
2,375
Posted By
shermanator2
I have a 2006 F-350 SRW 4WD with the 6.8L V-10...
I have a 2006 F-350 SRW 4WD with the 6.8L V-10 that just turned 200k miles. Mine is 6 speed manual trans with 4.10 gears.
Unloaded freeway cruising it will get close to 12mpg. However, load it...
Forum:
Pontiac - Street
05-21-2022, 12:13 PM
Replies:
35
Running roller rockers without guide plates
Views:
4,304
Posted By
shermanator2
If you want to do as b-man suggested, I have a...
If you want to do as b-man suggested, I have a pair of complete #140 heads that you can have for free if you can pick them up in San Diego or Niwot Colorado. Date codes D047 and D117. I don't...
Forum:
Pontiac - Street
05-21-2022, 11:56 AM
Replies:
15
Crank end play tricks ?
Views:
2,405
Posted By
shermanator2
I once pulled apart a SBC that had a trashed...
I once pulled apart a SBC that had a trashed thrust bearing and trashed thrust surfaces on the crank. The engine had not been apart before. When I went to reassemble the engine with a different...
Forum:
Pontiac - Race
05-20-2022, 11:21 AM
Replies:
75
Splayed Main DIY
Views:
11,382
Posted By
shermanator2
Out of curiosity, do you race guys use dip...
Out of curiosity, do you race guys use dip sticks? Or do you just assume no significant oil is lost between oil changes or tear downs? The reason this matters here, is that I have not figured out a...
Forum:
OHC-6 TECH
05-09-2022, 10:53 AM
Replies:
4
Any Experiance with 67 California emission systems?
Views:
1,245
Posted By
shermanator2
Nothing to do with the smog pump. That simply...
Nothing to do with the smog pump. That simply pumps air into the exhaust manifold. Hate to say it, but seems internal.
Forum:
Pontiac - Race
05-06-2022, 03:37 PM
Replies:
75
Splayed Main DIY
Views:
11,382
Posted By
shermanator2
Stock Pontiac dowels are about 0.3096" diameter. ...
Stock Pontiac dowels are about 0.3096" diameter. With the Milodon splayed caps that I have, a 0.3096 dowel will drop into the holes, but a 0.3125 is not even close to fitting.
And BTW, I have...
Forum:
Pontiac - Street
05-06-2022, 03:22 PM
Replies:
122
Searching for cause of low oil pressure at idle
Views:
12,088
Posted By
shermanator2
Here is a photo of a brand new Clevite. Notice...
Here is a photo of a brand new Clevite. Notice that they come with exposed copper.
Forum:
Pontiac - Street
05-01-2022, 04:43 PM
Replies:
122
Searching for cause of low oil pressure at idle
Views:
12,088
Posted By
shermanator2
I have to disagree with you. Internally balanced...
I have to disagree with you. Internally balanced means that rotating assembly is in balance without the external components (flywheel and harmonic damper). No production traditional Pontiac V-8...
Forum:
Pontiac - Street
05-01-2022, 04:30 PM
Replies:
122
Searching for cause of low oil pressure at idle
Views:
12,088
Posted By
shermanator2
You need a physicist not a machinist. The...
You need a physicist not a machinist. The imbalance is 6 inch-ounces, not 6 ounces. As you correctly point out a mass further out has more effect than one near the centerline. That is why this is...
Forum:
Pontiac - Street
05-01-2022, 01:34 PM
Replies:
122
Searching for cause of low oil pressure at idle
Views:
12,088
Posted By
shermanator2
I am not saying that one cannot buy aftermarket...
I am not saying that one cannot buy aftermarket neutral balance flywheels and flexplates. I am just saying that they did not come that way from the factory. Butler also sells external (stock)...
Forum:
Pontiac - Street
05-01-2022, 12:42 PM
Replies:
122
Searching for cause of low oil pressure at idle
Views:
12,088
Posted By
shermanator2
I think this is wrong. I do not know about the...
I think this is wrong. I do not know about the 301, but As I understand it all earlier Pontiacs had out of balance flywheels. I.e. external balance. Harmonic dampers were neutral balanced.
...
Forum:
70-73 Firebird & TA TECH
04-29-2022, 11:17 AM
Replies:
6
Best Gear Lube for 1970 Formula 400 Firebird 4 speed and 12 bolt differential
Views:
853
Posted By
shermanator2
I contacted Valvoline a couple of years ago...
I contacted Valvoline a couple of years ago specifically asking what to use in Muncie transmissions from the 1960's, Here is what they recommend: https://www.valvoline.com/en/synchromesh-mtf/
And...
Forum:
Pontiac - Race
04-21-2022, 08:13 PM
Replies:
75
Splayed Main DIY
Views:
11,382
Posted By
shermanator2
I did not intend to get a large angle. Just...
I did not intend to get a large angle. Just enough to square the engine block to the table. I was thinking of nodding the head of the mill to do the splayed bolts.
This does bring up an...
Forum:
Pontiac - Street
04-15-2022, 12:14 PM
Replies:
10
Stock length valves for early heads - 9770716 in particular
Views:
557
Posted By
shermanator2
My seats are already 30° and as I understand it,...
My seats are already 30° and as I understand it, 30° flows better at low lift. I am going to be using an 068 cam probably with 1.5 rockers so I think 30° will be best.
After thinking about this...
Forum:
Pontiac - Street
04-15-2022, 11:30 AM
Replies:
10
Stock length valves for early heads - 9770716 in particular
Views:
557
Posted By
shermanator2
That got me excited because those are almost...
That got me excited because those are almost perfect. I called Milodon and found out that their intake valve is 45°, not normal Pontiac 30°. So close.
Forum:
Pontiac - Race
04-14-2022, 07:02 PM
Replies:
75
Splayed Main DIY
Views:
11,382
Posted By
shermanator2
The valley ends of a Pontiac block seem to be...
The valley ends of a Pontiac block seem to be exactly a 6" radius. See the attached picture of a pair of saddles that I made to mount my block in my Bridgeport for a different purpose.
I have a...
Forum:
Pontiac - Street
04-13-2022, 07:18 PM
Replies:
10
Stock length valves for early heads - 9770716 in particular
Views:
557
Posted By
shermanator2
Thanks 25steveM and b-man for the replies. ...
Thanks 25steveM and b-man for the replies.
Steve, I am not familiar with Egg Auto Parts. Who is that? In any case though, I think that 4.830 is too short.
So b-man, your reply is interesting...
Forum:
Pontiac - Street
04-13-2022, 02:40 PM
Replies:
10
Stock length valves for early heads - 9770716 in particular
Views:
557
Posted By
shermanator2
Stock length valves for early heads - 9770716 in particular
I would like to put stock length valves in 9770716 heads. I can not find anyone out there that lists replacement valves for the pre-1967 heads. Anyone know of a source?
My old Perfect Circle...
Forum:
THE LOBBY
04-11-2022, 11:44 AM
Replies:
11
A few things you need to know before you steal my....
Views:
1,715
Posted By
shermanator2
The Hagerty magazine is the best car magazine out...
The Hagerty magazine is the best car magazine out there right now as far as I can tell. Many of the old and respected automotive writers are either on the staff or contribute there.
Forum:
Pontiac - Street
04-10-2022, 12:23 PM
Replies:
92
Pontiac 9779068 Cam
Views:
19,027
Posted By
shermanator2
Might as well resurrect this great thread after a...
Might as well resurrect this great thread after a 6-1/2 year break.
How much spring pressure on the seat and at lift do I want for a 068 (SPC-7 to be precise)?
My build is an essentially...
Forum:
61-77 GTO, Tempest & LeMans Parts For SALE
11-17-2021, 04:34 PM
Replies:
3
'64 - '70 Timing Chain Covers
Views:
901
Posted By
shermanator2
PM sent
PM sent
Forum:
Pontiac - Street
11-14-2021, 02:33 PM
Replies:
1
Alternator wiring
Views:
396
Posted By
shermanator2
Running it as a 3-wire is always best because you...
Running it as a 3-wire is always best because you will get the correct charge voltage. I would not run a 105A through a wire sized for 35A. I would use not less that a 8AWG and probably a 6AWG if I...
Showing results 1 to 25 of 145
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