Roller into 85 block
Thread Starter
Le Mans Master
Joined: Jul 2001
Posts: 6,252
Likes: 2
From: Silicon Valley Kalifornia
Roller into 85 block
Gents,
I want to install a roller cam into my 85 block. I understand I need aftermarket roller hyd lifters but will a 1987 L98 roller cam fit my block?
I want a roller to pep things up a bit but also want to pass smog.
Any ideas welcome! :smash:
I want to install a roller cam into my 85 block. I understand I need aftermarket roller hyd lifters but will a 1987 L98 roller cam fit my block?
I want a roller to pep things up a bit but also want to pass smog.
Any ideas welcome! :smash:
Safety Car
Joined: Nov 1999
Posts: 3,891
Likes: 2
From: Houston, TX
Re: Roller into 85 block (GRX)
You will need the following parts:
Comp Cams lifters PN: 853-16
Pushrod length: 7.290
Better Springs!
If you are going to go through this much trouble, you might as well get a better cam than a stock '87 cam. We custom make cams and have quite a few that will boost power very well and pass emissions, but they are billet cores and probably a little more than you need. There are also a wide range of shelf cams that you can get that will pick up power output a bit more than the '87 and pass emissions.
Good luck,
Comp Cams lifters PN: 853-16
Pushrod length: 7.290
Better Springs!
If you are going to go through this much trouble, you might as well get a better cam than a stock '87 cam. We custom make cams and have quite a few that will boost power very well and pass emissions, but they are billet cores and probably a little more than you need. There are also a wide range of shelf cams that you can get that will pick up power output a bit more than the '87 and pass emissions.
Good luck,
Heel & Toe
Joined: Mar 2001
Posts: 19
Likes: 0
From: Norwich New York USA
Re: Roller into 85 block (GRX)
Wouldn't you also need a cam button or retainer
plate to keep the cam from walking forward? Is a torrington bearing or fiber thrust plate needed behind the cam gear? Should you check the clearance between the cam button and the front timing cover? What chain/gear set is required? Any other details?
Vettpunk :conehead
:conehead
plate to keep the cam from walking forward? Is a torrington bearing or fiber thrust plate needed behind the cam gear? Should you check the clearance between the cam button and the front timing cover? What chain/gear set is required? Any other details?
Vettpunk :conehead
:conehead
Safety Car
Joined: Nov 1999
Posts: 3,891
Likes: 2
From: Houston, TX
Re: Roller into 85 block (Greg Johnson)
GRX,
It will fit, but you will have to have your block bored for the roller bearings. then replace lifters, pushrods and lifters.
Gregor
It will fit, but you will have to have your block bored for the roller bearings. then replace lifters, pushrods and lifters.
Gregor
Burning Brakes
Joined: Aug 1999
Posts: 1,100
Likes: 0
From: West Palm Beach Florida USA
Re: Roller into 85 block (GRX)
You'll need the roller cam, retro-fit roller lifters, pushrods (to do it right, you have to check them with a length checker), late style (roller) timing set, and a cam button.
Hope this helps.
Joe
Hope this helps.
Joe
