Forum: Pontiac - Boost
04-05-2023, 11:29 AM
|
Replies: 5
Views: 1,032
|
Forum: Pontiac - Street
04-03-2023, 05:55 AM
|
Replies: 18
Views: 1,854
|
Forum: Pontiac - Street
04-02-2023, 06:14 AM
|
Replies: 5
Views: 898
The first thing I would do would be to go down...
The first thing I would do would be to go down one heat range on your plugs and see if the coloring evens out enough that you notice it after 30 to 50 miles of driving.
What matters first though...
|
Forum: Pontiac - Street
04-01-2023, 03:13 PM
|
Replies: 18
Views: 1,854
|
Forum: Pontiac - Street
04-01-2023, 10:52 AM
|
Replies: 18
Views: 1,854
|
Forum: Pontiac - Street
03-31-2023, 06:35 PM
|
Replies: 11
Views: 722
|
Forum: Pontiac - Street
03-30-2023, 06:14 AM
|
Replies: 15
Views: 1,955
Cost
Correct me please if I am wrong, but it looks like if you want a good set of HFT lifters these days it's gonna run you about $170 bucks
|
Forum: Pontiac - Street
03-30-2023, 06:07 AM
|
Replies: 23
Views: 2,989
Cliff thanks for this info !
It makes sense...
Cliff thanks for this info !
It makes sense that in terms of the 455 that advancing it to 107 would make it suck, because the 455s Bore to stroke ratio is not even square, no less over square until...
|
Forum: Pontiac - Street
03-30-2023, 06:01 AM
|
Replies: 12
Views: 1,381
|
Forum: Pontiac - Race
03-29-2023, 11:47 AM
|
Replies: 27
Views: 3,515
|
Forum: Pontiac - Street
03-29-2023, 09:38 AM
|
Replies: 23
Views: 2,989
|
Forum: Pontiac - Street
03-29-2023, 06:30 AM
|
Replies: 23
Views: 2,989
|
Forum: Pontiac - Street
03-28-2023, 06:07 AM
|
Replies: 10
Views: 1,089
|
Forum: Pontiac - Race
03-27-2023, 07:20 PM
|
Replies: 27
Views: 3,515
|
Forum: Pontiac - Race
03-27-2023, 07:08 PM
|
Replies: 27
Views: 3,515
I might be more of the opinion that these...
I might be more of the opinion that these vertical rib reinforcements where done to help keep the block from splitting up through the mains like Arnie and Jess Tyree and others where experiencing....
|
Forum: Pontiac - Street
03-27-2023, 05:41 PM
|
Replies: 14
Views: 1,179
|
Forum: Pontiac - Street
03-27-2023, 05:04 PM
|
Replies: 28
Views: 3,561
|
Forum: Pontiac - Street
03-27-2023, 12:59 PM
|
Replies: 28
Views: 2,763
Those lines indicate how the fluid in the test...
Those lines indicate how the fluid in the test pressure Manometer start to bounce up and down where you have the test pressure set.
It starts out in a given lift point range with just a shallow...
|
Forum: Pontiac - Street
03-27-2023, 11:42 AM
|
Replies: 6
Views: 694
|
Forum: Pontiac - Street
03-27-2023, 11:09 AM
|
Replies: 6
Views: 694
In looking at my notes deeper the 45 casting...
In looking at my notes deeper the 45 casting could be 45 degree intake or 30 degree seat, this being determined by the block code..
The YA coded 400s got the 30 degree seat.
The 1968 #15 head...
|
Forum: Pontiac - Street
03-27-2023, 10:36 AM
|
Replies: 8
Views: 1,047
If your picking gaskets to use for gasket...
If your picking gaskets to use for gasket matching then whatever mismatch you have on the exh port floor and for half way up the outside walls on the center ports and then for about half way up in...
|
Forum: Pontiac - Street
03-27-2023, 10:07 AM
|
Replies: 6
Views: 694
|
Forum: Pontiac - Race
03-27-2023, 07:23 AM
|
Replies: 27
Views: 3,515
Yup, I know, but still how much meat was taken...
Yup, I know, but still how much meat was taken out of the bores to get the sleeves in?
The factory engineers never dreamed that open spring pressures could be used that would need to top 600 psi.
I...
|
Forum: Pontiac - Race
03-27-2023, 05:50 AM
|
Replies: 27
Views: 3,515
|
Forum: Pontiac - Street
03-26-2023, 05:58 PM
|
Replies: 28
Views: 2,763
Stan on test I have had done I have seen the...
Stan on test I have had done I have seen the dominant swirl pattern stop or even stop and then slightly reverse .
This was taking place right at the point when the air mass was forced to start...
|