Question about Olds 455......... - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 01-02-2008, 04:24 PM
Registered User
 
Join Date: Apr 2007
Location: Central NY
Age: 39
Posts: 143
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Question about Olds 455.........

I am interested in buying a 77 Olds Omega with a 455/turbo 350 in it. The owner says the block casting is 396021 F and the heads are "C" heads. Is this engine well suited for rodding? What kind of power should the engine make (considering stock parts)?

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 01-02-2008, 04:31 PM
DoubleVision's Avatar
Not Considered a Senior Member
 
Last photo:
Join Date: Oct 2002
Location: Heart Of Dixie
Age: 40
Posts: 10,658
Wiki Edits: 0

Thanks: 15
Thanked 60 Times in 57 Posts
The Olds 455 is a undersquare engine, meaning the stroke is more in inches than the bore size. with a 4.125 inch bore and a 4.250 inch stroke, this engine says one thing loud and clear, Torque. these engines are torque beasts, and in street form will shred tires to rims in very quick order. You can look at the father of olds Rodding, Mondello, you can learn much just by visiting his web site.
http://www.mondello.com/
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 01-02-2008, 05:38 PM
Registered User
 
Last wiki edit: Wheelbase database Last photo:
Join Date: Jan 2007
Location: Virginia
Posts: 3,593
Wiki Edits: 1

Thanks: 6
Thanked 159 Times in 146 Posts
Quote:
Originally Posted by Trans Am Tony
I am interested in buying a 77 Olds Omega with a 455/turbo 350 in it. The owner says the block casting is 396021 F and the heads are "C" heads. Is this engine well suited for rodding? What kind of power should the engine make (considering stock parts)?
That's a nice lightweight combo. All 455s have that same block casting number. The C heads were made in 67-69 and are good flowing heads. It sounds like you might have a 68-69 motor, which is a good thing. Those heads could have come with either 2.000" or 2.070" intake valves. The only way to know is to pull the heads and measure. A stock 68-69 455 was rated at around 360-390 HP and 500 ft-lb of torque (though those are the earlier gross ratings, not the 1971-later net ratings).
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 01-02-2008, 06:15 PM
Mustangsaly's Avatar
Member
 
Last photo:
Join Date: Jan 2005
Location: Nebraska
Posts: 1,071
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
realoldspower.com can help ya out. theres some SBO & BBO Freaks over there that know there stuff. that 455 has potential and as said is a torque monster. mondello don't have a great name anymore.


these sections over at realoldspower.com will do ya some good.
General Engine Tech

Engine Builds\Combos

For Sale


Look Up Mr. Olds at realoldspower.com
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 01-02-2008, 09:33 PM
Registered User
 
Join Date: Apr 2007
Location: Central NY
Age: 39
Posts: 143
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for the replies, guys. I hope to get this car so I can drag race against my dad, not just bring him to the track. With 500 lb/ft torque in the Omega, he'd prolly beat me though. How well should the turbo 350 hold up to the gorrilla-like torque numbers?
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 01-03-2008, 11:18 AM
Registered User
 
Last wiki edit: Wheelbase database Last photo:
Join Date: Jan 2007
Location: Virginia
Posts: 3,593
Wiki Edits: 1

Thanks: 6
Thanked 159 Times in 146 Posts
Quote:
Originally Posted by Trans Am Tony
How well should the turbo 350 hold up to the gorrilla-like torque numbers?
Depends on how well the rear tires hook up. If you plan to run slicks, a stock TH350 likely won't last long. A built TH350, however, is a good solution because it has less internal HP loss than a TH400.
Reply With Quote Quick reply to this message

Recent Engine posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
455 Olds repower for 5.7 Diesel - Headers? 66GMC Engine 2 12-25-2005 08:15 PM
67' merc Olds 455 53fordguy Engine 8 12-10-2004 09:37 PM
455 olds Vs. 500 caddy HELP! Kenny13z3 Engine 9 10-05-2004 05:15 PM
455 Olds 53fordguy Engine 7 04-27-2004 04:38 PM
olds 455 build up oldscutlass Engine 1 06-24-2003 08:57 PM


All times are GMT -6. The time now is 08:10 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.