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Author
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Topic: New 428 in and running
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ZEATER
Gearhead Posts: 132
From: Mount Pleasant,IA,USA
Registered: Aug 2001
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posted 04-16-2003 02:26 PM
   
The shop that rebuilt the 428 mistakenly ground too much weld when balancing the crank. It shot out like schrapnel destroying 2 pistons, 2 rods and the block after 14 miles of use.They stepped up and paid for new block (found a standard bore cobrajet block same year as the car). They paid for all new rings, gaskets, bearings etc. I did have to pull and replace the engine but that's the fun part, right? The new dynomax mufflers are quieter than the flowmasters as I was told and they are still suppose to flow almost 3 times more cfm. I'll take to the chassis dyno as soon as I break it in.
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Ryan Wilke
Gearhead Posts: 1700
From: Stanton, Michigan 49707
Registered: Oct 2000
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posted 04-16-2003 03:26 PM
Hey ZEATER,
Sounds like your machine shop stepped up and did the right thing for ya. I'm glad to hear that there are still folks out there that do that! Do you still have the Flowmasters? If so, it might be interesting to get a dyno run on the Dynomax's then the Flowmasters,,,, real world results & not just magazine hype......... Ryan 
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Dad Vishus
Gearhead Posts: 642
From: Moscow, Iowa, USA
Registered: Dec 2001
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posted 04-16-2003 05:50 PM
That's great news. Wonder where they found a standard bore CJ block. I'll bet you don't wanna know what it cost them. It is super that they admitted they were at fault and fixed things. Maybe we'll see you at Cordova some time this year. I'll be there some probably. Good luck with the new motor. ------------------
63 Falcon 377 Cleveland stroker Flying Toilet alchohol injection. 6.19 @ 110 MPH 1/8 mile
2002 Ranger FX4 daily driver
2000 F350 PSD Crew cab dually - Like commuting in a B52!!
98 US Cargo Phantom II 28'
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Fastymz
Moderator Posts: 14201
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 04-16-2003 07:02 PM
Thats cool the shop made good.I can't wait to hear what that motor can do.Ryan I'd like to know that too. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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afret
Gearhead Posts: 144
From: Lancaster, CA
Registered: Feb 2003
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posted 04-16-2003 09:23 PM
That's good news. You sure got everything done really fast. Be sure to post the dyno results.
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MAV
Gearhead Posts: 173
From: Macon,Georgia, U.S.A.
Registered: Mar 2002
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posted 04-16-2003 10:16 PM
I`d like to know more about your mufflers, I have New 3 " pipes with 3 chamber flowmasters
and my car is just too loud! If you dont mind cold you tell me exactly which Dynomax mufflers you have ? Like does Dynomax have a specific name or number for the ones you are running ?------------------
http://maverickgrabber.iwarp.com
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'69Stang
Gearhead Posts: 205
From: Detroit, MI USA
Registered: Jan 2002
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posted 04-17-2003 09:05 AM
Congrats on the engine, that?s good news. Regarding the mufflers I run the 3? Dynomax Race Magnums to a 3? exhaust at it isn?t that load at all and I primarily run the car on the street and like the sleeper effect. I read that the Borla X/S series mufflers are the quietest and flow the most, but they are around $159.00 a piece. If I run into some more money (yeah right) I?d like to swap those in.
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ZEATER
Gearhead Posts: 132
From: Mount Pleasant,IA,USA
Registered: Aug 2001
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posted 04-17-2003 11:06 AM
I used the 3" dynomax ultraflows. They are the straight through design that are suppose to flow almost three times better than flowmaster. You could drop a tennis ball straight therough the muffler. I had the flowmaster 3 chamber mufflers and they were too loud. The sound was great if I wanted a pure race sound but it was too loud for the street and would have given some ticket problems. The dynomax mufflers have a lower sound to them. The actual decibels may be the same but the high treble sound of the flowmasters sound louder. Also the better flow of the dynomax mufflers seems to have moved the sound to the back of the car where it belongs. I'll post chassis dyno numbers after I have some miles on the car. I found the standard bore 428 CJ block only 6 miles from my house. A friend of mine had 4 of them he had been saving. He also had 4 427 side oiler blocks. He sold me the block for 800.00 and the shop reimbursed me.
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TomP
Gearhead Posts: 5025
From: Delta BC Canada
Registered: Dec 99
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posted 04-17-2003 05:13 PM
Thats great you got it all fixed up!
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