85 Corvette TPI with Q Jet? - 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 07-14-2010, 11:49 PM
Registered User
 
Join Date: Jul 2010
Location: Oregon
Posts: 4
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
85 Corvette TPI with Q Jet?

Thinking of installing 85 350 TPI into 84 truck with 305. The 350 doesn't have the TPI. Will it run good with my Q Jet and intake? Also could use Performer intake and Edelbrock 650. Thanks for helping.

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 07-15-2010, 06:16 AM
cobalt327's Avatar
WFO
 
Last wiki edit: Intake manifold
Last journal entry: 1980 Malibu Wagon
Last photo:
Join Date: Mar 2009
Location: Atlanta
Age: 59
Posts: 5,037
Wiki Edits: 1616

Thanks: 128
Thanked 597 Times in 546 Posts
Quote:
Originally Posted by melm
Thinking of installing 85 350 TPI into 84 truck with 305. The 350 doesn't have the TPI. Will it run good with my Q Jet and intake? Also could use Performer intake and Edelbrock 650. Thanks for helping.
Emissions regulations and smog checks aside, the 350 TPI engine will run fine w/an intake and carb.

If you're positive the engine is a 1985, the intake center bolt holes are the same as the earlier carbed engines, so use an intake designed to fit them, NOT an intake made for the revised center bolt hole angles of the '87-up heads used on the Camaro, for example.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 07-15-2010, 08:11 AM
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
Don`t use the TPI`s HEI, it has no mechanical or vacuum advance, it`s advance is controlled by the computer so you`ll need a older HEI.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 07-15-2010, 05:38 PM
Registered User
 
Join Date: Jul 2010
Location: Oregon
Posts: 4
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for the help. Would you use the Q Jet and Performer over the Edelbrock 650 or stock 350 manifold?
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 07-15-2010, 08:08 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
I would use a Quadrajet and the performer. For a street carb you can`t beat a Quadrajet.
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 07-17-2010, 02:13 AM
Registered User
 
Join Date: Jul 2010
Location: Oregon
Posts: 4
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I'm considering having the heads done and not rebuilding anything else. Is that usually not a good idea?

Mel
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 07-19-2010, 09:36 PM
Registered User
 
Join Date: Jul 2010
Location: Oregon
Posts: 4
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
I see mid 90's GM Vortec heads are available for about $650. Looks like they are 64cc instead of 76cc. How much would that change my compression and what horsepower gain is likely?
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 07-19-2010, 10:15 PM
cobalt327's Avatar
WFO
 
Last wiki edit: Intake manifold
Last journal entry: 1980 Malibu Wagon
Last photo:
Join Date: Mar 2009
Location: Atlanta
Age: 59
Posts: 5,037
Wiki Edits: 1616

Thanks: 128
Thanked 597 Times in 546 Posts
It will raise the CR by about 1.25:1 on a 0.030" over 350 SBC, w/zero deck, 0.041" x 4.1" dia. gasket and 5cc valve relief FT pistons. The exact chamber and valve relief or dish volume will need to be measured to be more precise.

The power gain has been said to be 25-50 HP.
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
1984 corvette crossfire injection change to 1985 TPI injection billybonesmusic Engine 9 06-08-2006 07:21 AM
tpi system on a non tpi setup Siggy_Freud Engine 2 02-18-2005 10:05 PM
TPI timing Siggy_Freud Engine 2 04-14-2004 11:28 PM
88 Corvette tpi with Turbo400? wayja Transmission - Rearend 2 05-25-2003 08:37 AM
88 Corvette TPI with Turbo 400? wayja Engine 1 04-11-2003 04:13 PM


All times are GMT -6. The time now is 10:44 PM.


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.