Update on previous problem
Thread Starter
Cruising
Joined: Mar 2005
Posts: 13
Likes: 0
From: Lexington KY
Update on previous problem
Well, the motor has been pulled and torn down. I'm glad I went ahead and pulled it. All of the rod and main bearings are all but shot. Block itself is good but will be going to the machine shop along with the crank for a going over.
My question is this, I have a line on getting a set of ported and polished 113 casting heads. I want a good idle, but enough power to make it fun. With the slightly better flowing head, and the stock L98 intake and plenum what cam should I be looking at, and should I bother with 1.6 rockers? Any other advice would be greatly appreciated.
Ron
One more thing, with 58cc chambers, any piston recommendations? What is considered a streetable c/r? And do I need to start getting concerned about ECM changes?
Thanks again!!
My question is this, I have a line on getting a set of ported and polished 113 casting heads. I want a good idle, but enough power to make it fun. With the slightly better flowing head, and the stock L98 intake and plenum what cam should I be looking at, and should I bother with 1.6 rockers? Any other advice would be greatly appreciated.
Ron
One more thing, with 58cc chambers, any piston recommendations? What is considered a streetable c/r? And do I need to start getting concerned about ECM changes?
Thanks again!!
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
If you use '90-'91 pistons with the ported #113 heads you should see the same CR as a '90-91 Vette, which should be very streetable.
Even with an after-market cam, RRs are a good idea. If you have a flat tappet block 1.6:1 RRs are prefered with a nice cam.
Do you now have a roller block or the late '86 block with roller cam?What are your power & performance goals?
Do you want a nice street rod or take it to the drag strip regularly?
Even with an after-market cam, RRs are a good idea. If you have a flat tappet block 1.6:1 RRs are prefered with a nice cam.
Do you now have a roller block or the late '86 block with roller cam?What are your power & performance goals?
Do you want a nice street rod or take it to the drag strip regularly?
Race Director
Joined: Feb 2004
Posts: 12,518
Likes: 19
Originally Posted by 86roadsterinKY
Well, the motor has been pulled and torn down. I'm glad I went ahead and pulled it. All of the rod and main bearings are all but shot. Block itself is good but will be going to the machine shop along with the crank for a going over.
My question is this, I have a line on getting a set of ported and polished 113 casting heads. I want a good idle, but enough power to make it fun. With the slightly better flowing head, and the stock L98 intake and plenum what cam should I be looking at, and should I bother with 1.6 rockers? Any other advice would be greatly appreciated.
Ron
One more thing, with 58cc chambers, any piston recommendations? What is considered a streetable c/r? And do I need to start getting concerned about ECM changes?
Thanks again!!
My question is this, I have a line on getting a set of ported and polished 113 casting heads. I want a good idle, but enough power to make it fun. With the slightly better flowing head, and the stock L98 intake and plenum what cam should I be looking at, and should I bother with 1.6 rockers? Any other advice would be greatly appreciated.
Ron
One more thing, with 58cc chambers, any piston recommendations? What is considered a streetable c/r? And do I need to start getting concerned about ECM changes?
Thanks again!!
Thread Starter
Cruising
Joined: Mar 2005
Posts: 13
Likes: 0
From: Lexington KY
Cool, thanks for the advice. The 86 is a non-roller block. I just plan on using the car on the street for the occasional nice day cruise. I would be very happy if I could see mid to low 13's, but I guess my main goal is dependability and streetability. (good luck).
Thanks!
Ron
Thanks!
Ron
Racer
Joined: Mar 2004
Posts: 311
Likes: 0
From: Oakley Ca
The stock intake will be your choke point in realizing your goals. Talk to your machinist for compression ratios. In todays gas market you will want to run regular. The closing point of the intake valve will also have something to do with your compression. I personally opt for a lower CR than most at about nine with aluminum. You don't leave that much power on the table and no detonation worrys. D cup pistons and a nice tight quench at .040 or .045 help the detonation too. Thats my $.02 worth. Oh, read John Lingenfelter's book on modifying small block chevys. He's the man! May he rest in peace. 
