Search found 8 matches

by 67cat
Fri May 04, 2018 9:14 am
Forum: General Automotive Questions
Topic: how to get the most from your motor...
Replies: 8
Views: 28723

Re: how to get the most from your motor...

Ok, I should have changed the converter when I had the engine out! I'll pull the inspection cover and figure out what the bolt pattern is. I checked the timing advance with the vacuum hose off and plugged, it was fully advanced at 32 deg around 3000rpm. Also it's running 2200 at 65 on the highway, s...
by 67cat
Wed May 02, 2018 7:06 pm
Forum: General Automotive Questions
Topic: how to get the most from your motor...
Replies: 8
Views: 28723

Re: how to get the most from your motor...

Gotcha!
Will a converter advertised as Chevy turbo 400 work as long as its 11.5 bolt circle or a dual pattern or does it have to be specifically a BOP converter?

Thanks, Eric
by 67cat
Wed May 02, 2018 12:19 pm
Forum: General Automotive Questions
Topic: how to get the most from your motor...
Replies: 8
Views: 28723

Re: how to get the most from your motor...

Thanks Jim,
I will definitely try the stall converter first.
This one has 2700-3000 stall, do you think that's too high? I was thinking 10" vs 12" weight difference.
JEGS Performance Products 60401
by 67cat
Tue May 01, 2018 10:43 am
Forum: 12 Bolt Differential Questions
Topic: 67 Catalina
Replies: 3
Views: 13489

Re: 67 Catalina

Well son of a peach basket! I do have a mig welder and a 69 chevelle 12 bolt peg leg! Guess I'll get the tape measure out and check the width. Only thing is 5 on 5 full size vs 5 on 4.75 means new rims! How much for the 3.55 and posi? Would the 3.55 work with my open 2.56 carrier? I love this passed...
by 67cat
Tue May 01, 2018 8:43 am
Forum: General Discussion
Topic: 67 Catalina
Replies: 4
Views: 17390

Re: 67 Catalina

Thanks Jim, 8)
I'll root around and see what I can find!
by 67cat
Tue May 01, 2018 7:31 am
Forum: General Automotive Questions
Topic: how to get the most from your motor...
Replies: 8
Views: 28723

Re: how to get the most from your motor...

Hi Jim, I have a 1967 Catalina fastback with a stock rebuilt Pontiac 400 and it has 10.5 compression heads that have been rebuilt stock also. According to the service manual it weighs in at 3860. I chose the Summit racing 2801 cam, 288/298 duration and 444/466 lift. I also replaced the points and co...
by 67cat
Mon Apr 30, 2018 8:59 pm
Forum: 12 Bolt Differential Questions
Topic: 67 Catalina
Replies: 3
Views: 13489

67 Catalina

Hi Jim My name is Eric, I have a 1967 Catalina. After doing a lot of research I have found your site to be the most informative about this oddball 12 bolt rearend with a 10 bolt cover. I also have 67 Pontiac service manual which also helped me to decipher the gear ratio to be a 2.56 open carrier. My...
by 67cat
Mon Apr 30, 2018 8:36 pm
Forum: General Discussion
Topic: 67 Catalina
Replies: 4
Views: 17390

67 Catalina

Hello all,
My name is Eric from Mooresville, NC
I have 1967 Catalina, 2nd owner and an unrestored 1983 z28 with 16k original miles