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Forum: Pontiac - Street 08-17-2020, 11:28 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Thanks for your comments. I will further...

Thanks for your comments. I will further investigate when I get the opportunity. I want to at least pull the head(s) while the engine is in the car and see what I have. Maybe upgrade the heads to...
Forum: Pontiac - Street 08-14-2020, 12:10 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
I did a leak down test tonight. The rear three...

I did a leak down test tonight. The rear three cylinders on the passenger side are communicating, I believe thru the blown head gasket. The rear cylinder had approximately 80% leak down. The other 2...
Forum: Pontiac - Street 08-12-2020, 10:41 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Mr Anonymous, I am located Blaine, Mn -...

Mr Anonymous,
I am located Blaine, Mn - Northern suburb of Minneapolis, MN
Forum: Pontiac - Street 08-11-2020, 11:27 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Started to do leakdown test tonight and the gauge...

Started to do leakdown test tonight and the gauge was not working correctly. I will recalibrate the gauges and attempt again later. When applying the air to the gauge and into the cylinder, it was...
Forum: Pontiac - Street 08-11-2020, 07:25 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
All of you have been very helpful, thank you. ...

All of you have been very helpful, thank you.
The hydro lock was fuel only- It was a surprise to me as the engine was running rough- seemingly burning off the excess fuel while running. At one point...
Forum: Pontiac - Street 08-11-2020, 01:02 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
Is it easy to to a leakdown and balance test - is...

Is it easy to to a leakdown and balance test - is it done by pressurizing the cylinder?
Forum: Pontiac - Street 08-11-2020, 12:54 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
Schurkey, Thank you for the great post and...

Schurkey,

Thank you for the great post and advice. I thought I would tell you what I know about the engine to help better diagnose the potential problems.

I appreciate all of you guys and your...
Forum: Pontiac - Street 08-10-2020, 08:22 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Photos

Here are photos of the valve train with cover off.

I will check the compression again before I start the work.

Any shortcuts or advice to pulling the head- I know I have to keep rockers and...
Forum: Pontiac - Street 08-10-2020, 08:05 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Pulled the valve cover - all inspected good so I...

Pulled the valve cover - all inspected good so I ran the engine and all valves seem to be open and closing with proper tension on the rocker arms (none are loose). Aluminum rocker arm stands look...
Forum: Pontiac - Street 08-09-2020, 08:13 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Also, If I were to swap to the Pontiac 400, I...

Also, If I were to swap to the Pontiac 400, I would be using the Holley 750 that is currently the carburation for the 403 olds - would the stock cast iron intake manifold or an aftermarket aluminum...
Forum: Pontiac - Street 08-09-2020, 08:04 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Schurkey, Thank you for your advice. The...

Schurkey,
Thank you for your advice.
The automatic in the car now has an aftermarket slapstick shifter so the steering neutral safety is disconnected - the column collar has to be rotated to left...
Forum: Pontiac - Street 08-09-2020, 06:27 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Additional information is the 400 Pontiac would...

Additional information is the 400 Pontiac would need carburetor (could use the existing 750 Holley). 400 has the original cast iron intake with no carb. It would also need distributor and ignition,...
Forum: Pontiac - Street 08-09-2020, 06:19 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Thanks guys for the advice. I am disappointed...

Thanks guys for the advice. I am disappointed with myself in trusting the dipstick - I kept adding oil until the dipstick read full and that was 8 quarts - stupid me thought that the previous owner...
Forum: Pontiac - Street 08-09-2020, 01:07 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
Thanks all for your help - Bad news on...

Thanks all for your help - Bad news on compression check and I need additional advice.

Here is the compression specs and bad news
Passenger side front cylinder 132lbs middle two cylinders 0 lbs...
Forum: Pontiac - Street 08-08-2020, 01:13 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
Also, do I check compression with engine not...

Also, do I check compression with engine not running and crank with the starter a few revolutions. All plugs out when I test?
Forum: Pontiac - Street 08-08-2020, 01:09 AM
Replies: 44
Views: 7,025
Posted By i4abuygto
Thanks guys for responding so quickly. The...

Thanks guys for responding so quickly.
The compression just seemed good with the engine running and plug out I could feel great pressure coming out as the piston came up. I know this isnt an exact...
Forum: Pontiac - Street 08-07-2020, 11:56 PM
Replies: 44
Views: 7,025
Posted By i4abuygto
Cylinder wont fire - 79 Trans Am 403 Olds

Please help.
I have a 79 Trans Am that has a Cylinder with plenty of compression and spark but wont fire.
I recently purchased the car and the dip stick was wrong and I ran to much oil for about...
Showing results 1 to 17 of 17

 
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