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  How to find the redline

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Author Topic:   How to find the redline

Posts: 288
From: Port Orange, FL, USA
Registered: Dec 2000

posted 10-22-2001 11:04 PM     Click Here to See the Profile for FloJoe   Click Here to Email FloJoe     Edit/Delete Message   Reply w/Quote
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
"Never play leapfrog with a unicorn."

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Posts: 176
From: Webster New York USA
Registered: Mar 2001

posted 10-23-2001 06:30 AM     Click Here to See the Profile for Stang28965   Click Here to Email Stang28965     Edit/Delete Message   Reply w/Quote
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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Posts: 1320
From: Homeless, in transit
Registered: Jun 2000

posted 10-23-2001 07:59 PM     Click Here to See the Profile for sigtauenus   Click Here to Email sigtauenus     Edit/Delete Message   Reply w/Quote
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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Posts: 425
From: Austin, TX USA
Registered: Jun 99

posted 10-23-2001 08:41 PM     Click Here to See the Profile for pthornton   Click Here to Email pthornton     Edit/Delete Message   Reply w/Quote
Find out what RPM your valve springs are good for.

Randy Thornton
Boss 302 & Saleen S281

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richard bohm

Posts: 242
Registered: May 2001

posted 10-23-2001 11:50 PM     Click Here to See the Profile for richard bohm   Click Here to Email richard bohm     Edit/Delete Message   Reply w/Quote
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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Posts: 1652
From: WASILLA , AK USA M&M #743 MCA #40857
Registered: Oct 2000

posted 10-24-2001 03:10 PM     Click Here to See the Profile for AKBOSSMAN   Click Here to Email AKBOSSMAN     Edit/Delete Message   Reply w/Quote
Guess you got to do some "testing" LOL

rrrrrrrrrrrrrrrrrrrrrrrBoom!ssssssssssssssssssss Thats the RED LINE

01 Focus ZX3
03 Boss 281 (waiting on order form)
"If your under control then your not going fast enough" Parnelli Jones

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Posts: 17955
From: Saco, Maine MCA # 47773
Registered: May 99

posted 10-24-2001 07:49 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
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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