FAQ |
Members List |
Social Groups |
Calendar |
Search |
Today's Posts |
#21
|
||||
|
||||
No, It's the same identical casting as any other block that year. Pontiac used the same casting number for all 71' - 74' 455 blocks except the SD blocks. The 73' - 74' 455 SD blocks had multiple different features that the standard block didn't have.
__________________
62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
The Following User Says Thank You to Gary H For This Useful Post: | ||
#22
|
|||
|
|||
Ive owned a 70 455 YH. It had 2bolt main caps
Sent from my iPhone using Tapatalk
__________________
1979 Firebird Trans Am 301/4spd (Now 428) 1977 Firebird Formula 400/Auto 2007 Grand Prix GXP 5.3L |
The Following User Says Thank You to 74Grandville For This Useful Post: | ||
#23
|
||||
|
||||
I canīt swear itīs factory, but the workhorse 1970 YH 455 iīm using in my Judge had the 4-bolt main caps when i found it 25 years ago.
FWIW |
Reply |
|
|