Forum: Pontiac - Race
09-08-2013, 08:36 PM
|
|
Replies: 13
Views: 431
Ransom, nope I don't see a SR number with...
Ransom, nope I don't see a SR number with it,,,,,but I guess it still could be one? I also have a RA-4 SR block 400ci that does not have any stamping on it at all. It was bought up here in BC...
|
|
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE
09-08-2013, 03:00 PM
|
|
Replies: 1
Views: 208
|
|
Forum: Pontiac - Race
09-08-2013, 02:56 PM
|
|
Replies: 13
Views: 431
Hi Ransom, thanks for that info.........
I...
Hi Ransom, thanks for that info.........
I did make a mistake and now know the number above the YA stamped code is the unit number, and it is 0144160.
I cleaned up the timing chain cover a bit...
|
|
Forum: Pontiac - Race
09-08-2013, 02:37 PM
|
|
Replies: 13
Views: 431
|
|
Forum: 61-77 GTO, Tempest & LeMans Parts For SALE
09-08-2013, 01:12 PM
|
|
Replies: 1
Views: 208
360HP -455 -JUDGE HO-RA
I have a..... bare block with caps and bolts, bores are .030 over.
-4-bolt,
-455ci,
-code YA,
-cast date 1089,
-vin 0144160,
-cast#9799140
I think it is an early 1070's, one of 17, Judge...
|
|
Forum: Pontiac - Race
09-08-2013, 12:45 PM
|
|
Replies: 13
Views: 431
|
|
Forum: Pontiac - Race
09-08-2013, 11:04 AM
|
|
Replies: 13
Views: 431
|
|
Forum: Pontiac - Race
09-08-2013, 12:07 AM
|
|
Replies: 13
Views: 431
455 HO GTO Auto
I am wondering if you guys can help me out ... I picked up a 4-bolt 455, code YA, date code 1089. block with caps and I am wondering how much it would be worth?
If its not worth much I will...
|
|
Forum: Pontiac - Race
05-10-2013, 11:42 AM
|
|
Replies: 13
Views: 553
I found the bolt holes to be quite loose and...
I found the bolt holes to be quite loose and allow the scraper to move on assembly....
I moved the scraper up against the crank and drilled a small hole at each end of the scraper into the pan...
|
|
Forum: Pontiac - Race
05-05-2013, 06:33 PM
|
|
Replies: 12
Views: 336
weight
Went to the local dump with a 6-pack of beer. The attendant weighed the front of my car, the whole car and then the rear of the car. The front and rear weights added up exactly to the total so it's...
|
|
Forum: Pontiac - Race
05-01-2013, 11:36 PM
|
|
Replies: 47
Views: 1,474
|
|
Forum: Pontiac - Race
05-01-2013, 11:56 AM
|
|
Replies: 47
Views: 1,474
I agree, I think a rocker with a set distance...
I agree, I think a rocker with a set distance between the trunnion center and roller center will only have one installed height where it is the proper length. Above that it will be too long and below...
|
|
Forum: Pontiac - Race
04-27-2013, 12:14 PM
|
|
Replies: 47
Views: 1,474
I was wondering about about using the roller...
I was wondering about about using the roller fulcrum or the valve tip contact point and ended up using the contact tip. When I attempted to get a 90 deg using the roller fulcrum I ended up not being...
|
|
Forum: Pontiac - Race
04-27-2013, 12:03 PM
|
|
Replies: 47
Views: 1,474
Great info Skip, gives me a whole lot more to...
Great info Skip, gives me a whole lot more to think about. The BBC 1.8 rocker with the offset trunnion is very interesting, I like how the push rod would be more centered in the push rod tube.
|
|
Forum: Pontiac - Race
04-22-2013, 08:14 PM
|
|
Replies: 47
Views: 1,474
|
|
Forum: Pontiac - Race
04-21-2013, 05:47 PM
|
|
Replies: 47
Views: 1,474
|
|
Forum: Pontiac - Race
04-20-2013, 02:19 AM
|
|
Replies: 17
Views: 642
|
|
Forum: Pontiac - Race
04-20-2013, 01:57 AM
|
|
Replies: 47
Views: 1,474
|
|
Forum: Pontiac - Race
04-20-2013, 01:44 AM
|
|
Replies: 15
Views: 712
batt
I have been using a Odyssey 680 with an alternator for a few years now. It's the size of a motorcycle battery, weighs 11 lbs. Never charge it and it starts my 455 right up every spring. I built a...
|
|
Forum: Pontiac - Race
04-20-2013, 01:10 AM
|
|
Replies: 47
Views: 1,474
Help
I think this is correct, but I think you could only achieve this at one valve installed height. Due to the converging angles on the valve stem, rocker stud and push rods which bring them all closer...
|
|
Forum: Pontiac - Race
04-20-2013, 12:11 AM
|
|
Replies: 17
Views: 642
seats
The 6x-4's I am working on right now show .980 to 1.010 installed height with my height micrometer.
That's with out a spring seat installed just the cast iron to the standard retainer. :old: I cut...
|
|
Forum: Pontiac - Race
04-19-2013, 11:45 PM
|
|
Replies: 47
Views: 1,474
Help
Thanks for that info Paul.....your last sentence says that "the goal is to achieve the most lift at the valve".
It has been mentioned to me that running a longer push rod will accelerate and...
|
|
Forum: Pontiac - Race
04-18-2013, 07:05 PM
|
|
Replies: 47
Views: 1,474
Help
Thanks Skip, I wonder how I would find out the different geometries of the different brands....maybe call all the manufactures ?
|
|
Forum: Pontiac - Race
04-18-2013, 07:02 PM
|
|
Replies: 47
Views: 1,474
Screaming Chief I agree completely, the stem...
Screaming Chief I agree completely, the stem height and not the spring installed height is what matters on rocker setup......Yea it would be nice to come out perfect, would like to get close with...
|
|
Forum: Pontiac - Race
04-18-2013, 11:41 AM
|
|
Replies: 47
Views: 1,474
Yep, I dialed the v/v lift to double check the...
Yep, I dialed the v/v lift to double check the ratio and these ones are within a couple of thou... I don't have other sets here right now so not able to do any cross checking.
With these rockers...
|
