Forum: Pontiac - Boost
01-26-2024, 03:25 AM
|
|
Replies: 8
Views: 1,084
Thank You!
I have ARP bolts and will pull...
Thank You!
I have ARP bolts and will pull the pressed ones.
Steinless longer valves.
A little matchporting and pocket clean upp.
Check for cracks is first on the list. Cracks is common on...
|
|
Forum: Pontiac - Street
01-24-2024, 04:14 AM
|
|
Replies: 34
Views: 1,609
Hello!
I use a AC45 on my 9.2 comp 455" with...
Hello!
I use a AC45 on my 9.2 comp 455" with Swedish 95 oktan.
On my 9.7 comp 455" and Swedish 98 oktan I use AC43.
Both pluggs acted similar to the engine.
Thank You fron S.F. in Sweden.
|
|
Forum: Pontiac - Street
01-24-2024, 03:56 AM
|
|
Replies: 10
Views: 650
Hello!
In my 1971 #96 heads I use the ARP...
Hello!
In my 1971 #96 heads I use the ARP and steinlessteel PRW 1:65 from Butler.
Then I shorten the polylockbolt aprox. 5mm in a lathe and with the use of the thicker valvecover gasket i use...
|
|
Forum: Pontiac - Street
01-23-2024, 01:11 PM
|
|
Replies: 5
Views: 298
|
|
Forum: Pontiac - Street
01-23-2024, 11:52 AM
|
|
Replies: 5
Views: 298
|
|
Forum: Pontiac - Street
01-23-2024, 10:39 AM
|
|
Replies: 5
Views: 298
1967 #061 valves vs 1971 #96.
Hello!
Is the length different betwen 1967 #061 valves vs 1971 #96?
Can I use the same Crower 404 springs?
The valves are OEM not change.
Is there a better spring for #061 heads with 041...
|
|
Forum: Pontiac - Street
10-29-2023, 04:42 PM
|
|
Replies: 5
Views: 577
The rev limiter is att 5700 rpm.
I shift at...
The rev limiter is att 5700 rpm.
I shift at 5300 (1-2 shift) to 5500 (2-3 shift) in TH 400 in auto mode.
Wheels (only 255/60-15 Cooper Cobras and 3,08 gears) brake loose at
both shifts on the...
|
|
Forum: Pontiac - Street
10-29-2023, 11:46 AM
|
|
Replies: 5
Views: 577
Thank You for fast and good answer.
My...
Thank You for fast and good answer.
My current engine is in the Street Sticky of engine build under S.F.
My current engine is a 455" +040 and has been running very good for several years now.
...
|
|
Forum: Pontiac - Street
10-29-2023, 07:57 AM
|
|
Replies: 5
Views: 577
1967 #061 heads on 455 for 7 years. No problems.
Hello, I am calling from Sweden.
From 1986 to 1993 I had a Pontiac 455 YH 1970 block with cast piston, + .060" with #061 untouch heads with no problems
Former owner put on the #061 heads on a...
|
|
Forum: Pontiac - Boost
10-10-2023, 12:43 PM
|
|
Replies: 8
Views: 1,084
7M5
Thank You for information.
I will use Steinless valves and good springs.
From S.F. in Sweden.
|
|
Forum: Pontiac - Boost
10-09-2023, 08:18 AM
|
|
Replies: 8
Views: 1,084
7M5
Thank You!
It is good to here that OEM heads can be a good choise.
From S.F in Sweden
|
|
Forum: Pontiac - Boost
10-09-2023, 03:20 AM
|
|
Replies: 8
Views: 1,084
#7M5 Heads.
Thank You for the fast answer!
The cars usually at the race meetings I see are in low 11 to high 10 sec.
I just dont want to be much slower and do not want Aluminium heads.
A small "sleeper"...
|
|
Forum: Pontiac - Boost
10-08-2023, 07:38 AM
|
|
Replies: 8
Views: 1,084
7M5 Heads.
Hello!
I am calling from Sweden and have a GTO 1966 sold new in Sweden december 1965.
I have a 455+ .040". All balance an ARP.
RPM steel rods.
Older SealPower forge piston, zerodeck.
SFI...
|
|
Forum: THE LOBBY
03-28-2023, 10:01 AM
|
|
Replies: 42
Views: 4,814
|
|
Forum: Pontiac - Street
01-16-2022, 04:41 AM
|
|
Replies: 91
Views: 8,236
Dual snorkel vs. open aircleaner.
My engine is a 455+040.
750 Q-jet, iron intake with 0.5" spacer and mild Crower HFT cam.
On a DynoDynamics chassidyno and the hood open, the engine gain 20hp switching the Dual Snorkel with 14"*2"...
|
|
Forum: Pontiac - Street
08-12-2021, 06:20 PM
|
|
Replies: 177
Views: 251,857
|
