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Search took 0.13 seconds. Search: Posts Made By: Sirrotica
Forum: 61-66 Big Pontiac TECH 05-14-2024, 06:04 PM
Replies: 4
Views: 114
Posted By Sirrotica
I have a 93 K3500 with the early style cooling...

I have a 93 K3500 with the early style cooling lines, it finally failed at 280,000 miles.

As Jake, from Jake's Performance, that specializes in 4L80E's has said, he sees no difference in...
Forum: 61-66 Big Pontiac TECH 05-12-2024, 10:02 PM
Replies: 4
Views: 114
Posted By Sirrotica
Almost any GM car that came with a T 400 in it,...

Almost any GM car that came with a T 400 in it, will accept a 4L80E. The closest interference point is the rear most cooling line in the 97, and later transmissions. Using a 91-96 case moves that...
Forum: Pontiac - Street 05-12-2024, 02:22 PM
Replies: 24
Views: 843
Posted By Sirrotica
As Lake Speed said, the antifoaming agents are...

As Lake Speed said, the antifoaming agents are the first things to go away, and agitating the oil to see how long the oil stays aerated tells if the antifoaming is still working. He demonstrates how...
Forum: Pontiac - Street 05-11-2024, 09:44 PM
Replies: 24
Views: 843
Posted By Sirrotica
Research says, that the additive package...

Research says, that the additive package definitely goes bad after a number of years sitting. The oil is still fine as far as a lubricating agent, but the additive package does not do what it was...
Forum: THE LOBBY 05-05-2024, 11:27 AM
Replies: 32
Views: 1,087
Posted By Sirrotica
East Penn / NAPA / Duracell, (all made by East...

East Penn / NAPA / Duracell, (all made by East Penn) gets my vote for batteries that sit for long periods. I currently have Exide / Rural King, in one of my trucks that suck when they sit. Chinese...
Forum: THE LOBBY 04-30-2024, 12:52 PM
Replies: 42
Views: 1,764
Posted By Sirrotica
To own a classic car and maintain it requres...

To own a classic car and maintain it requres disposable income, with the job market, and inflation the way it currently is there aren't an overabundance of younger people that can afford a down...
Forum: Pontiac - Race 04-25-2024, 11:33 AM
Replies: 16
Views: 1,046
Posted By Sirrotica
Although it's expensive, there is a aftermarket...

Although it's expensive, there is a aftermarket wheel that you can buy to convert your trailer axles to 19.5 medium duty truck tires. This about doubles your GVW rating on your tires.

You have to...
Forum: Pontiac - Street 04-17-2024, 05:32 PM
Replies: 23
Views: 1,490
Posted By Sirrotica
Only 1 year did Pontiac use 6 quarts, 1967, 6 in...

Only 1 year did Pontiac use 6 quarts, 1967, 6 in the pan, and 1 in the filter. In 1970 I worked at a Pontiac dealer on the grease rack while doing co-op in my last year as a senior in high...
Forum: THE LOBBY 04-17-2024, 12:55 AM
Replies: 16
Views: 1,078
Posted By Sirrotica
They actually don't hibernate, they eat the honey...

They actually don't hibernate, they eat the honey during the winter, and flutter their wings to raise their body temp, and circulate air inside of the hive for warmth. They're kinda self contained...
Forum: Pontiac - Street 04-17-2024, 12:40 AM
Replies: 25
Views: 2,070
Posted By Sirrotica
There are only a few mechanic in a can potions I...

There are only a few mechanic in a can potions I recommend, but Bars Leaks is one I have used in my personal cars, as well as customer cars. It won't fix a head gasket that has a 1/4 inch piece...
Forum: Pontiac - Street 04-16-2024, 04:58 AM
Replies: 37
Views: 1,748
Posted By Sirrotica
If you want to kill stink bugs, without the...

If you want to kill stink bugs, without the smell, or any insect, isopropyl works very well too. Stink bugs are hard to kill, but the isopropyl in a spray bottle works well for that. We use it in the...
Forum: THE LOBBY 04-14-2024, 12:06 PM
Replies: 16
Views: 1,078
Posted By Sirrotica
Very nice pictures there FF, thanks for sharing. ...

Very nice pictures there FF, thanks for sharing.

From the little I know about honey bees, that's called bearding, and I only know a few basics because my wife is a bee keeper. I've seen it before...
Forum: Pontiac - Street 04-14-2024, 02:07 AM
Replies: 36
Views: 2,057
Posted By Sirrotica
You need to get a manual, or a set of...

You need to get a manual, or a set of instructions that come with a carb rebuilding kit and use all the settings listed.

Each carb has a set of adjustments, that must be done in a sequence. The...
Forum: THE LOBBY 04-12-2024, 03:35 AM
Replies: 17
Views: 1,343
Posted By Sirrotica
Nascar has used cowl induction hooked by a...

Nascar has used cowl induction hooked by a duct/ducts to the firewall at the base of the windshield since at least the mid 60s to take in high pressure cold air. Cutting holes in the lid would defeat...
Forum: Pontiac - Race 04-11-2024, 03:58 PM
Replies: 23
Views: 1,272
Posted By Sirrotica
This is another video that was made by Dave's...

This is another video that was made by Dave's Auto after the initial cast welding was shown in the original video. Dave is talking to Lake Speed about oil, and oil change intervals. He shows the...
Forum: 66-67 GTO Tempest & LeMans TECH 04-03-2024, 11:01 PM
Replies: 9
Views: 618
Posted By Sirrotica
Any shop that tells you to drive a car with a...

Any shop that tells you to drive a car with a leaking rear main seal knows full well they screwed up. Having worked on Pontiacs over 50 years, no rear main seal ever stops leaking from driving it....
Forum: Pontiac - Street 04-03-2024, 09:27 PM
Replies: 25
Views: 987
Posted By Sirrotica
You're looking at the generic info for cylinder...

You're looking at the generic info for cylinder heads listed by year on that site, it wasn't taken from GM parts books. If you look the head numbers up the specs are different from the generic...
Forum: Pontiac - Street 04-03-2024, 07:51 PM
Replies: 25
Views: 987
Posted By Sirrotica
The heads are listed as having different size...

The heads are listed as having different size valves, as well as compression ratios:

094 1.88 intake 1.66 exhaust 8.6 CR

140 1.92 intake 1.64 exhaust 9.2 CR

I'm fairly certain that they...
Forum: Pontiac - Street 04-03-2024, 06:27 PM
Replies: 25
Views: 987
Posted By Sirrotica
He can run 2 different length pushrods in the...

He can run 2 different length pushrods in the same engine, correct.
After all BBCs run 2 different length pushrods since they were designed, as do fords and many late model GM V6s.

The valve...
Forum: Pontiac - Street 04-03-2024, 04:15 PM
Replies: 25
Views: 987
Posted By Sirrotica
On any multi cylinder engine you look at each...

On any multi cylinder engine you look at each cylinder as one small engine, They all contribute to the power at the shared crankshaft.

If someone hand ported a cylinder head, and got one cylinder...
Forum: Pontiac - Race 04-02-2024, 10:37 PM
Replies: 14
Views: 1,292
Posted By Sirrotica
I have been making my living as a mechanic, and...

I have been making my living as a mechanic, and started racing Pontiacs in 1970. There were a lot of hard learned/expensive lessons along the way. At 71 YO I might as well share some of the knowledge...
Forum: Pontiac - Street 04-01-2024, 09:44 PM
Replies: 15
Views: 838
Posted By Sirrotica
This^^^^^^^^^^^^^^^^ This would also be my...

This^^^^^^^^^^^^^^^^

This would also be my recommendation if you're not priming the oil pump. Turn it over until the oil pump sends some oil into the bearings before you actually start it.
...
Forum: Pontiac - Race 03-28-2024, 11:27 PM
Replies: 14
Views: 1,292
Posted By Sirrotica
If you are going to use the stock motor mount...

If you are going to use the stock motor mount position you should try to use the newer late design 455 style, which Pontiac engineers redesigned in 1970. The 59-69 mount position puts all the tension...
Forum: THE LOBBY 03-15-2024, 03:03 PM
Replies: 5
Views: 551
Posted By Sirrotica
At about 10:30 last night, I sat on my back...

At about 10:30 last night, I sat on my back porch, and watched the lightening that was roughly 10 miles north of our house. They talked about lightening strikes numbering into the thousands along the...
Forum: Pontiac - Street 03-12-2024, 07:56 PM
Replies: 64
Views: 3,256
Posted By Sirrotica
The bonding of the rubber to the steel belting is...

The bonding of the rubber to the steel belting is what does modern tires in. When the bond starts to be compromised is when the parts inside start delaminating from each other.

The Firestone...
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