Engine Mods Outrageous Builds, High-Horsepower Modifications, strokers, and big cams for the Corvette

Hand porting LT4 heads...Need Help

Thread Tools
 
Search this Thread
 
Old Oct 15, 2002 | 10:53 PM
  #1  
svcjmo's Avatar
svcjmo
Thread Starter
Racer
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Aug 2001
Posts: 277
Likes: 17
From: Smyrna Tn
Default Hand porting LT4 heads...Need Help

Hey guys, I'm porting my LT4 heads and wonder if it's OK to shorten and taper the valve guides in the exhaust runner. Thanks,
Reply
Old Oct 16, 2002 | 03:00 PM
  #2  
John W's Avatar
John W
Instructor
 
Joined: Mar 2002
Posts: 181
Likes: 0
From: Allen TX
Default Re: Hand porting LT4 heads...Need Help (svcjmo)

Here are some links about head porting, hope they help.

http://www.fl-thirdgen.org/head_porting.htm
http://www.sa-motorsports.com/diyport.htm

John
Reply
Old Oct 16, 2002 | 03:04 PM
  #3  
SPD DMN's Avatar
SPD DMN
Le Mans Master
20 Year Member
 
Joined: Oct 1999
Posts: 9,713
Likes: 3
From: Sachse Texas
Cruise-In I Veteran
Cruise-In II Veteran
Default Re: Hand porting LT4 heads...Need Help

I did on mine as the new guides I had pressed in went too far into the runners.I have some pictures around somewhere.
Reply
Old Oct 16, 2002 | 09:37 PM
  #4  
svcjmo's Avatar
svcjmo
Thread Starter
Racer
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Aug 2001
Posts: 277
Likes: 17
From: Smyrna Tn
Default Re: Hand porting LT4 heads...Need Help (Vette92)

Thanks john w and vette 92. Vette 92, I would love to see some pics of your work!
Reply

Get notified of new replies

To Hand porting LT4 heads...Need Help





All times are GMT -4. The time now is 06:07 PM.

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