C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Timing Question?

Thread Tools
 
Search this Thread
 
Old Jan 22, 2011 | 06:16 PM
  #1  
trainor's Avatar
trainor
Thread Starter
Racer
 
Joined: Oct 2010
Posts: 474
Likes: 0
From: Bishop CA
Default Timing Question?

I just installed a set of Aluminum heads on my 1975 small block. The motor is slightly built with a moderate cam, headers, high rise and 650 cfm carb. I was told I should expect a 50 hp increase from the heads. I don't seem to hardly notice any difference at all. My timing is at 8 which makes my total advance at 36. I was told to go to 10 on the initial but I'm afraid that will take the full advance above 36. I was told that I shouldn't exceed 36 total. I live at 4600 ft elevation and am running 87 octane. Any suggestions on the timing or fuel or anything. Thanks in advance.
Reply
Old Jan 22, 2011 | 08:23 PM
  #2  
rcread's Avatar
rcread
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2004
Posts: 10,628
Likes: 132
From: Duvall, WA
Default

What kind of heads are they? What is your compression ratio? Do you know your cam specs?
Reply
Old Jan 22, 2011 | 08:26 PM
  #3  
trainor's Avatar
trainor
Thread Starter
Racer
 
Joined: Oct 2010
Posts: 474
Likes: 0
From: Bishop CA
Default

Originally Posted by rcread
What kind of heads are they? What is your compression ratio? Do you know your cam specs?
Brodix IK180 heads, 9.5 to 1, and a crower 241 with 456 lift.
Reply

Get notified of new replies

To Timing Question?





All times are GMT -4. The time now is 10:37 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE