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Author Topic:   Disassembled the 428
Glens67
Gearhead

Posts: 325
From: Petaluma
Registered: Mar 2002

posted 11-10-2002 01:55 AM     Click Here to See the Profile for Glens67   Click Here to Email Glens67     Edit/Delete Message   Reply w/Quote
Well after 8 years of racing pulled the 428 down for inspection, an refresh. No real cylinder wear, piston skirts look new #3 , #4 and #7 top 2 piston ring gaps were lined up. All Con rod bearings still had full babbit. Mains #1 still had all of its babbit, #2 just slight babbit wear, # 3 Cap showing light copper, very little wear on thrust faces, # 4 slightly more copper , #5 all copper still slight babbit traces. All block side mains had full Babbit.
Crank mics out at;
Main Journals
#1 2.7385 2.7384
#2 2.7388 2.7385
#3 2.7382 2.7385
#4 2.7380 2.7382
#5 2.7383 2.7385
Rod Journals
#1 2.428
#2 2.428
#3 2.428
#4 2.428

All Cylinders
4.161 to 4.162
inline and across 3 places
The rings look good
The Cam is a Crane CCH-288 It looks good no bad lobes. Good to fair lifter contact pattern.
All hydraulic lifters are good, polished contact faces
Well after all of that I plan to use one of thoes ball hones to break the glaze and install new rings and bearings.
This engine with CJ heads ran 12.70s Consistantly. ( with a 750 DP opening only 3/4 throttle ) With GT heads it would run 12.60s ( 750 Full open ) 4 speed shifting at 5,500 67 Mustang GT FB, 350 gears, G6015 American Racer Dirt compound tires. 1.950 60s with slapper bars.

I like what I see as far as wear is concerned but would like to go a little faster (don't we all) My CJ heads are now rebuilt and I am having the Edelbrock head repaired from the 390 STUPID mistake. Would you expect to see an ET improvement using the Ed heads compaired to GT heads, ( I'm using that as the base line because of the Carb screw-up) Still shifting at 5500 rpm?
What recomendations would yall make on the Motor. The Stang still sees a lot of street driving but it is moving more towards the 1/4 mile. I have installed Total Control subframe connectors and Caltracs.

------------------
Glen
67 GT 390
65 Galaxie 500 XL 4 Speed
It was not a Red Light they gave me a Slow Tree

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Moneymaker
Administrator

Posts: 19704
From: Lyons, IL, USA
Registered: May 99

posted 11-10-2002 12:52 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
BIG TIME!!!!!!

------------------
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
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!"

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 11-10-2002 07:18 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Glen,

Yep put Vic's heads on the 428.

SteveW

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