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Author Topic:   Picking Cam
ZEATER
Journeyman

Posts: 70
From: Mount Pleasant,IA,USA
Registered: Aug 2001

posted 01-27-2003 02:29 PM     Click Here to See the Profile for ZEATER   Click Here to Email ZEATER     Edit/Delete Message   Reply w/Quote
If anyone remembers the "Cuda and the Cobra" stories I have quite a rivalry going with the Cuda. My last run against him was a 12.195 @ 111.24 mph with 1.65 60 foot. He ran a best of 12.4 @ 109.

Problem is he went to track on his own last day it was open and ran a best 11.87.

The track requires roll cage at faster than 11.50 so I need to get as close to that mark as I can. Basically I need 6 tenths.

I added 3 " exhaust which increased 19 horse on chassis dyno before winter hit. I have also fully ported the Ebrock heads including port matching the blue thunder intake. I have increased compression 1/2 point to 11:1 added aluminum flywheel and am now picking the cam.

This is a 428 engine running tri y headers, 850 dbl pumper, 4 speed 4.11 locker rear end in a 1969 Mustang. Currently I am running a hydraulic cam.

Comp cams tech said unless I wanted to pull the manifold every 1500 miles for inspection stay away from solid rollers and go with solid cam. They just have not had good luck with solid rollers on the street due to spring pressures.

So, I am hoping the cam choice along with the other changes will put me where I need to be.

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 01-27-2003 03:22 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Are your Tri-Y headers shorties?
If so they are killing you. You can put all the cam you can fit in the engine and it won't do any good.

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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ZEATER
Journeyman

Posts: 70
From: Mount Pleasant,IA,USA
Registered: Aug 2001

posted 01-27-2003 05:19 PM     Click Here to See the Profile for ZEATER   Click Here to Email ZEATER     Edit/Delete Message   Reply w/Quote
They are not shorty headers. They are a tri y design though and fit above the oil pan so clearance is better than the Hooker Super comps.

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steve'66
Gearhead

Posts: 5659
From: Sonoma,CA,USA
Registered: Mar 2000

posted 01-28-2003 12:27 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Can you run open headers?
Also, pick a nice cold/dry/hi barometer spring day for your t&t runs!

SteveW

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Moneymaker
Administrator

Posts: 18704
From: Lyons, IL, USA
Registered: May 99

posted 01-28-2003 12:40 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Well have you run it yet this year since you made all of the changes?
If not, you need to do that before anything else.
Also I'd try opening the headers and screw the exhuast system.

I'd bet big money that those Tri-Y's are hurting you more than they are helping.

Big heads, big valves, big intake, big carb.
What good is getting it all in if you can't get it out?

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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