Results 1 to 5 of 5

Thread: carb help!!

  1. #1
    Senior Member EXPERT BUILDER
    Join Date
    Jul 2009
    Location
    nekoosa wisconsin
    Posts
    308

    carb help!!

    what kind of carb should i run i have a holley 750 and it's way to much carb motor sounds great but i think carb it too big due to lack of power it's pretty much gutless
    should make around 325-350 hp

    or do i look else where for the problem

    its a sbc 350

    i was think 600 or 650 what do i need

    or how much can i jet the one i have down and still maintain good idle and top end 6000 rpm

    9.3:1
    1.94/1.5 heads
    comp xe268 cam 477/480 lift
    edelbrock tourqer intake

  2. #2
    Member CRAFTSMAN
    Join Date
    Dec 2010
    Location
    anchorage alaska
    Posts
    56
    I run a 600 cfm holley, on pretty much the same set up, I came up with 583 cfm using the formula, I wouldn't go over 650 cfm.
    This wouldn't have happened if only you had been paying attention!

  3. #3
    Member CRAFTSMAN
    Join Date
    Dec 2010
    Location
    anchorage alaska
    Posts
    56
    Also your lack of power could possibly be from the cam not really matching the intake, good dual plane seems more a matched intake to the xe268h in my opinion.
    This wouldn't have happened if only you had been paying attention!

  4. #4
    Senior Member RACING JUNKIE
    Join Date
    Nov 2008
    Location
    Niagara Falls, NY
    Posts
    965
    Quote Originally Posted by bluedawg357
    Also your lack of power could possibly be from the cam not really matching the intake, good dual plane seems more a matched intake to the xe268h in my opinion.
    sounds about right id run a 600 or 650 single pump carb
    GOOD PARTS AREN'T CHEAP AND CHEAP PARTS ARE NEVER GOOD.........
    http://img.photobucket.com/albums/v2...lastscan-3.jpg

  5. #5
    Senior Member EXPERT BUILDER
    Join Date
    Jul 2009
    Location
    nekoosa wisconsin
    Posts
    308
    ok thanks guys im thinking there is somthing wrong with the trans to it just doent move worth a dam but sound really healthy when idling and reved


Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Email us - Support@RacingJunk.com
Call us - 866.326.9227
Copyright © 2005-2016 RacingJunk.com All Rights Reserved.

Designated trademarks and brands are the property of their respective owners. Use of this Web site constitutes acceptance of the RacingJunk.com
Terms of Use, Classifieds Disclaimer, Privacy Policy, and Cookie Policy