Thread: Camshaft Help
View Single Post
  #3 (permalink)  
Old 12-02-2002, 06:11 PM
Jack21 Jack21 is offline
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2001
Location: Washington DC Metro (Virginia), VA
Cobra Make, Engine: Classic Roadsters, Tweaked 351W, T-5Z, CRII Tech Support Team.
Posts: 1,895
Not Ranked     
Default
That kind of fuel consumption should be fouling your plugs.

My 351W, similar setup, CompCams hydraulic roller 224/224 gets 17 MPG on the highway, and pulls 15" - 16" vacuum at idle.

Carb is Holley 700dp (4778). Had to change out-of-the-box primary jets from 69 to 64, and crack open the secondary butterflies to lean the idle out.

Ask Crane or CompCams about a street cam with the Paxton, but I'd go hydraulic roller 218 - 224 I, 224 - 234 E, and some jet changes should dial you in.
Last edited by Jack21; 12-05-2002 at 01:18 PM..
Reply With Quote