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Forum: Pontiac - Street 07-05-2025, 12:39 PM
Replies: 20
Views: 1,516
Posted By STEELCITYFIREBIRD
The outer diameter of wear pattern from the...

The outer diameter of wear pattern from the previous clutch disc will be very telling. ✌🏼
Forum: Pontiac - Street 06-14-2025, 11:56 PM
Replies: 48
Views: 4,470
Posted By STEELCITYFIREBIRD
Nothing bad happened 😃

Nothing bad happened 😃
Forum: Pontiac - Street 01-14-2025, 09:32 AM
Replies: 54
Views: 6,154
Posted By STEELCITYFIREBIRD
“Check your oil for antifreeze contamination. The...

“Check your oil for antifreeze contamination. The obvious culprits are intake or head gasket leaks.”

No way for an intake manifold gasket to cause this issue on a Pontiac.

I cannot see coolant...
Forum: Pontiac - Street 11-24-2024, 10:40 PM
Replies: 36
Views: 9,401
Posted By STEELCITYFIREBIRD
To The engine builders in the group; Would you...

To The engine builders in the group;
Would you add them if not present?
And if so, at what bore size if any?
🤔
Forum: Pontiac - Street 11-22-2024, 05:49 PM
Replies: 8
Views: 1,295
Posted By STEELCITYFIREBIRD
Not sure of year of this catalog page, but it’s...

Not sure of year of this catalog page, but it’s listed here.
Forum: Pontiac - Street 10-13-2024, 04:27 PM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Steve25…Paper rolls, carbide burr's, etc. If I...

Steve25…Paper rolls, carbide burr's, etc. If I need something I get it.
Limited to low intakes due to low hood clearance, so a cast 9799068 intake manifold.
No headers, RARE Ram Air ...
Forum: Pontiac - Street 10-13-2024, 12:39 PM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Top ring volume was not used in my calculation of...

Top ring volume was not used in my calculation of compression ratio, adding it makes me feel better…sort of. 😀

I’m going to look into getting it zero decked vs cost of gaskets and my time.
...
Forum: Pontiac - Street 10-10-2024, 05:31 AM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Thank You for all the advise! Still unsure what...

Thank You for all the advise! Still unsure what is correct gasket.
Forum: Pontiac - Street 10-09-2024, 12:40 PM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Static CR 10.7 DCR. 7.30 ...

Static CR 10.7
DCR. 7.30
4.10 rear gears with an effective first gear ratio of
10.2:1
will be using Rhoads VMax lifters.
Project has been sitting a few years too long.
Forum: Pontiac - Street 10-09-2024, 09:51 AM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Yes, you’re with my logic here! This will be a...

Yes, you’re with my logic here! This will be a good test of my tuning skills.
Forum: Pontiac - Street 10-09-2024, 09:11 AM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
The heads are fully reconditioned, including...

The heads are fully reconditioned, including hardened ex seats.
60919 crower, 6.6cc reliefs, slugs ��o.015” in, hence the o.027 gaskets.
Forum: Pontiac - Street 10-09-2024, 08:13 AM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
Reason is to tighten up the quench distance,...

Reason is to tighten up the quench distance, short block is together already.
I have 66cc 48 heads and I’m really up there ~11.0+ CR.
So still needing help with the correct gasket bore.

I’m...
Forum: Pontiac - Street 10-08-2024, 08:24 PM
Replies: 21
Views: 2,427
Posted By STEELCITYFIREBIRD
What bore size cometic gasket?

400 +o.030”

What bore size head gasket is used with iron heads??

I believe the gasket should be as big as the combustion chamber…or the bore…whichever is LARGER.

A part number is greatly...
Forum: Pontiac - Street 09-19-2024, 01:09 AM
Replies: 53
Views: 6,962
Posted By STEELCITYFIREBIRD
Do you have full battery voltage to the DUI...

Do you have full battery voltage to the DUI ignition?
What is the ‘good’ cranking compression psi ?
✌🏼
Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 09-17-2024, 12:32 AM
Replies: 5
Views: 2,356
Posted By STEELCITYFIREBIRD
PM Sent

PM Sent
Forum: Pontiac - Street 08-27-2024, 05:15 PM
Replies: 47
Views: 7,620
Posted By STEELCITYFIREBIRD
Do you have a fan shroud? My thought process is...

Do you have a fan shroud?
My thought process is to increase fan efficiency at lowest rpm.
An idle speed ‘booster’ solenoid is how engineer's combated this issue…what do they know 🤔
✌🏼
Forum: Pontiac - Street 12-14-2023, 10:08 AM
Replies: 22
Views: 3,087
Posted By STEELCITYFIREBIRD
Firstly …Verify your temperature reading! ✌🏼

Firstly …Verify your temperature reading! ✌🏼
Forum: Pontiac - Street 04-14-2023, 08:37 AM
Replies: 18
Views: 2,974
Posted By STEELCITYFIREBIRD
The actual CC of your heads….calculated...

The actual CC of your heads….calculated compression ratio is an important factor.
I’ve personally found 48’s can vary a good bit in chamber volume.
Good luck with your Bionic parts!! 😎
Forum: Pontiac - Street 08-11-2022, 12:54 AM
Replies: 61
Views: 18,944
Posted By STEELCITYFIREBIRD
From experience, a quick sniff of the exhaust...

From experience, a quick sniff of the exhaust when the no start occurs….

>If the exhaust while cranking smells of raw fuel it’s it’s an ignition problem

>If it doesn’t smell of raw fuel it’s...
Forum: Pontiac - Street 07-03-2022, 10:57 AM
Replies: 39
Views: 2,785
Posted By STEELCITYFIREBIRD
PV plug gasket? Needle and seat assembly ORings...

PV plug gasket?
Needle and seat assembly ORings …
or condition of fuel bowl where they seal?
Forum: Pontiac - Street 03-05-2021, 01:45 PM
Replies: 30
Views: 6,224
Posted By STEELCITYFIREBIRD
Just an additional note, make sure gasket bore...

Just an additional note, make sure gasket bore size is not smaller than combustion chamber!
Common error when selecting Cometics. Cataloging references bore size 😬.
Forum: Pontiac - Street 02-21-2021, 04:29 PM
Replies: 32
Views: 6,065
Posted By STEELCITYFIREBIRD
Can you make enough compression with those heads...

Can you make enough compression with those heads to support that much duration? (W/A 3.75 “ stroke)
Seems to me it would be a really ‘soggy’ street engine on the low end.
?? 🤔
Forum: Pontiac - Street 02-12-2021, 08:38 AM
Replies: 39
Views: 10,830
Posted By STEELCITYFIREBIRD
Add a driveshaft loop?�� And see what breaks...

Add a driveshaft loop?��
And see what breaks next! ��
Forum: Pontiac - Street 01-15-2021, 11:42 AM
Replies: 34
Views: 4,074
Posted By STEELCITYFIREBIRD
Perfumed pig parts. Don’t use!

Perfumed pig parts. Don’t use!
Forum: Pontiac - Street 01-12-2021, 06:29 PM
Replies: 42
Views: 4,168
Posted By STEELCITYFIREBIRD
Do you have a shop that welds aluminum shafts...

Do you have a shop that welds aluminum shafts available?

.....I believe we get our "FAST" carbon fiber driveshafts for ~$400 for the dirt late model.

Did you ask your driveshaft shop how much...
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