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Author
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Topic: How to find the redline
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FloJoe
Gearhead Posts: 288
From: Port Orange, FL, USA
Registered: Dec 2000
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posted 10-22-2001 11:04 PM
   
Say you justbuilt a motor up yourself, or you already have one and you dont know the redline. How would you ind that out?------------------
Joe Fields
68 Fastback 289ci bored .030 over
C-4
"Never play leapfrog with a unicorn."
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Stang28965
Gearhead Posts: 176
From: Webster New York USA
Registered: Mar 2001
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posted 10-23-2001 06:30 AM
The way I found my redline was by feel, If you just take off in say first, you can feel the powerband go away. Once it gets past a certain rpm its not going to make power, So just find that RPM and shift at it. 
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sigtauenus
Gearhead Posts: 1320
From: Homeless, in transit
Registered: Jun 2000
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posted 10-23-2001 07:59 PM
I think what he's asking for is what rpm he can take it up to safely with out bending or breaking stuff.
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pthornton
Gearhead Posts: 425
From: Austin, TX USA
Registered: Jun 99
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posted 10-23-2001 08:41 PM
Find out what RPM your valve springs are good for.------------------
Randy Thornton
Boss 302 & Saleen S281
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richard bohm
Gearhead Posts: 242
From:
Registered: May 2001
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posted 10-23-2001 11:50 PM
the best thing to do is find where your cam makes the best hp then add 500-1000 rpm depepnding on how brave you are.
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AKBOSSMAN
Gearhead Posts: 1652
From: WASILLA , AK USA M&M #743 MCA #40857
Registered: Oct 2000
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posted 10-24-2001 03:10 PM
Guess you got to do some "testing" LOL rrrrrrrrrrrrrrrrrrrrrrrBoom!ssssssssssssssssssss Thats the RED LINE ------------------
WAYNE CURTIS
70 GRABBER GREEN BOSS 302
01 Focus ZX3
03 Boss 281 (waiting on order form)
92 SHELBY 4X4 (K-9 IDITAROD LEAD DOG)
http://www.iditarodtrail.com
"If your under control then your not going fast enough" Parnelli Jones
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SteveLaRiviere
Administrator Posts: 17955
From: Saco, Maine MCA # 47773
Registered: May 99
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posted 10-24-2001 07:49 PM
Rev it until it blows, then back that off 500 rpms.  ------------------
'70 Mustang Mach 1 M code 351C 4V/FMX/3.25 open
'72 Mustang Sprint Coupe 351C 4V/FMX/4.30 Trac Lok
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
'97 Probe GTS 2.5L DOHC Recycle --- Restore a Classic Mustang!
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