answersLogoWhite

0


Best Answer

Rule of thumb. Before 74, Autolite 76, or any cross referenced plug to that. After 74, 26. You will have to lok to tell for sure, because so much small block stuff interchanges. Look at the seat in the hole. If it is tapered, then the 26. If it is flat, then the 76, with the washer.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What spark plugs do you need for a high performance Chevy small block?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How many soft plugs are in the block of a 400 small block Chevy motor?

Are you asking how many freeze plugs are in a small block 400? If you are it varys, could be, 8 could be 10 depending on which casting you have. I hope this answers youre question.


How many freeze are or on a late 80s Chevy 350?

There are 8 freeze plugs in all small and big block Chevy engines up to the year 2000


What are sbc headers?

"SBC headers" typically refer to shorty headers for a Small Block Chevy engine. These headers are aftermarket performance parts that are designed to improve exhaust flow, increasing engine efficiency and power output. They are often used in high-performance applications or custom builds.


What is base timing for a small block Chevy with a performance cam?

4 degrees advanced initial, or about 30, total.


Is a Chevy 6.0 a small block or big block?

It is a small block


Where does the spark plugs go on a 305 Chevy small block distributor?

You need to be more specific on your question, add a little detail to it.


Engine rotation small block Chevy?

The small block chevy turns in a clockwise rotation.


Small Block Chevy 350 timing?

how do i set the timing for a chevy 350 small block?


Is a 5.3 Chevy a small or a big block?

It is a small block.


How to build a small block Chevy?

When building a small block chevy engine, you need to decide what exactly you want to do. Restoration or performance enhancement. Normally, the small block chevy engines are harder to build if you want to conserve your cost. Most people try to use aftermarket parts to make it cheaper. Many people have found the book "How to hot rod your small block chevy" to be very helpful. Also, parts suppliers such as Summit and Jeg's have a wealth of information in their catalogs.


Small block Chevy?

Yes. what is the question?- about a sm. block chevy.


How do you get the coolant out of a 1993 Chevy small block motor?

On the sides of the block, about center, just above the pan rail, there are plugs. One per side. 9/16ths size head. Pull these out, and the block will drain.