240-300 "Big Block" Six Performance

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FordSix Performance Vehicle Registry

Last post by 1966Mustang « Sat Jul 29, 2017 1:29 pm
Posted in Announcements

by 1966Mustang » Sat Jul 29, 2017 1:29 pm » in Announcements

0 Replies

2594 Views

Last post by 1966Mustang View the latest post
Sat Jul 29, 2017 1:29 pm
Holman Moody intake & 750 Dominator

Last post by Lagerhead « Sun Mar 17, 2013 3:59 pm
Replies: 27
by 82F100 » Sat Jun 06, 2009 1:26 pm

27 Replies

19346 Views

Last post by Lagerhead View the latest post
Sun Mar 17, 2013 3:59 pm
FAQ updates.

Last post by thelastf100 « Tue Apr 21, 2009 6:50 pm
Replies: 4
by SuperMag » Fri Jan 11, 2008 9:02 pm

4 Replies

17006 Views

Last post by thelastf100 View the latest post
Tue Apr 21, 2009 6:50 pm
Big Six aluminum head update 9-14

Last post by Sick6Turbo « Sun Jan 21, 2018 9:08 pm
Replies: 186
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by AzCoupe » Sat Sep 15, 2007 9:39 pm
186 Replies

66420 Views

Last post by Sick6Turbo View the latest post
Sun Jan 21, 2018 9:08 pm

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Low performance offenhausen duel plane

Last post by 161henry « Fri Jan 26, 2018 8:38 am
Replies: 16
by Jammer4jm » Sun May 07, 2017 12:17 pm

16 Replies

3895 Views

Last post by 161henry View the latest post
Fri Jan 26, 2018 8:38 am
Has anyone broken a 95-96 hyper piston?

Last post by 86f250straight6 « Sun Apr 22, 2018 5:07 pm
Replies: 3
by 86f250straight6 » Sat Apr 21, 2018 7:21 pm

3 Replies

71 Views

Last post by 86f250straight6 View the latest post
Sun Apr 22, 2018 5:07 pm
What operating rpm can a 300ci. hold safely?

Last post by THE FRENCHTOWN FLYER « Sun Apr 22, 2018 1:45 pm
Replies: 16
by Wesman07 » Thu Apr 19, 2018 11:51 pm

16 Replies

296 Views

Last post by THE FRENCHTOWN FLYER View the latest post
Sun Apr 22, 2018 1:45 pm
Tractor Puller

Last post by chad « Sun Apr 22, 2018 12:36 pm
Replies: 83
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by Lunatic Fringe » Mon Jan 01, 2018 4:18 pm
83 Replies

3675 Views

Last post by chad View the latest post
Sun Apr 22, 2018 12:36 pm
300 rebuild project

Last post by brandoncw « Sun Apr 22, 2018 12:34 pm
Replies: 140
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by brandoncw » Sun Nov 19, 2017 10:02 pm
140 Replies

5743 Views

Last post by brandoncw View the latest post
Sun Apr 22, 2018 12:34 pm
Adjusting vacuum advance for driving selected MPH

Last post by GPGoverMPG « Sat Apr 21, 2018 5:44 pm

by GPGoverMPG » Sat Apr 21, 2018 5:44 pm

0 Replies

39 Views

Last post by GPGoverMPG View the latest post
Sat Apr 21, 2018 5:44 pm
300 I6 EFI performance upgrades

Last post by THE FRENCHTOWN FLYER « Sat Apr 21, 2018 5:02 pm
Replies: 195
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by 88F15088 » Mon Sep 11, 2017 7:26 pm
195 Replies

13329 Views

Last post by THE FRENCHTOWN FLYER View the latest post
Sat Apr 21, 2018 5:02 pm
Distributor timing adjustments

Last post by GPGoverMPG « Fri Apr 20, 2018 7:00 pm
Replies: 11
by GPGoverMPG » Wed Apr 18, 2018 2:47 pm

11 Replies

194 Views

Last post by GPGoverMPG View the latest post
Fri Apr 20, 2018 7:00 pm
Best sound. From exhaust

Last post by brandoncw « Fri Apr 20, 2018 2:12 pm
Replies: 4
by psa1sonic » Sun Apr 15, 2018 11:55 pm

4 Replies

173 Views

Last post by brandoncw View the latest post
Fri Apr 20, 2018 2:12 pm
1 and 2 barrel CFM

Last post by 161henry « Thu Apr 19, 2018 10:13 pm
Replies: 2
by 161henry » Wed Apr 18, 2018 3:56 pm

2 Replies

120 Views

Last post by 161henry View the latest post
Thu Apr 19, 2018 10:13 pm
THE 240 / 300 WHERE ELSE WERE THEY USED? OTHER APPLICATIONS

Last post by Wesman07 « Thu Apr 19, 2018 10:35 am
Replies: 74
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by THE FRENCHTOWN FLYER » Sun Dec 06, 2015 11:08 pm
74 Replies

6917 Views

Last post by Wesman07 View the latest post
Thu Apr 19, 2018 10:35 am
600 cfm holley

Last post by Transtar79 « Wed Apr 18, 2018 11:11 pm
Replies: 19
by Transtar79 » Thu Apr 12, 2018 11:01 pm

19 Replies

528 Views

Last post by Transtar79 View the latest post
Wed Apr 18, 2018 11:11 pm
Are these the real thing

Last post by bubba22349 « Wed Apr 18, 2018 3:30 pm
Replies: 8
by 161henry » Tue Apr 17, 2018 10:46 pm

8 Replies

209 Views

Last post by bubba22349 View the latest post
Wed Apr 18, 2018 3:30 pm
Permanent 300 Six Cyl Head CFM solutions- A Work in Progress

Last post by CNC-Dude « Mon Apr 16, 2018 2:13 pm
Replies: 119
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by WorldChampGramp » Sun Feb 25, 2018 8:03 am
119 Replies

3958 Views

Last post by CNC-Dude View the latest post
Mon Apr 16, 2018 2:13 pm
Intake help

Last post by pmuller9 « Sat Apr 14, 2018 11:29 am
Replies: 4
by Arty808 » Fri Apr 13, 2018 12:19 pm

4 Replies

220 Views

Last post by pmuller9 View the latest post
Sat Apr 14, 2018 11:29 am
300/4.9L vs. V8 factory recommended oil change intervals...

Last post by Harte3 « Fri Apr 13, 2018 3:35 pm
Replies: 2
by 1986F150six » Fri Apr 13, 2018 10:30 am

2 Replies

107 Views

Last post by Harte3 View the latest post
Fri Apr 13, 2018 3:35 pm
Hot Rod 300 Build

Last post by pmuller9 « Thu Apr 12, 2018 3:28 pm
Replies: 12
by razor-rod » Fri Apr 06, 2018 3:05 pm

12 Replies

541 Views

Last post by pmuller9 View the latest post
Thu Apr 12, 2018 3:28 pm
84' with a dui, no spark, cam/crankshaft sensor, we have one or not?

Last post by Carloespo « Thu Apr 12, 2018 7:51 am
Replies: 3
by Carloespo » Wed Apr 11, 2018 9:37 pm

3 Replies

109 Views

Last post by Carloespo View the latest post
Thu Apr 12, 2018 7:51 am
Exhaust port question.

Last post by 86f250straight6 « Wed Apr 11, 2018 7:06 pm
Replies: 18
by GPGoverMPG » Sun Mar 18, 2018 7:41 am

18 Replies

785 Views

Last post by 86f250straight6 View the latest post
Wed Apr 11, 2018 7:06 pm
300 update

Last post by woodbutcher « Wed Apr 11, 2018 2:59 pm
Replies: 7
by nitrousnick » Tue Apr 10, 2018 10:51 pm

7 Replies

198 Views

Last post by woodbutcher View the latest post
Wed Apr 11, 2018 2:59 pm
1969 Ford 240 Industrial rings

Last post by bubba22349 « Wed Apr 11, 2018 11:20 am
Replies: 28
by goatman64 » Mon Apr 02, 2018 10:56 pm

28 Replies

498 Views

Last post by bubba22349 View the latest post
Wed Apr 11, 2018 11:20 am
Timing sets

Last post by TurboBronco « Tue Apr 10, 2018 12:17 pm
Replies: 48
by 85FordI6Wyoming » Tue Mar 06, 2018 5:16 pm

48 Replies

1306 Views

Last post by TurboBronco View the latest post
Tue Apr 10, 2018 12:17 pm
1992 4.9/300 Rebuild Thread

Last post by TurboBronco « Mon Apr 09, 2018 4:40 pm
Replies: 12
by TurboBronco » Mon Mar 05, 2018 10:31 am

12 Replies

426 Views

Last post by TurboBronco View the latest post
Mon Apr 09, 2018 4:40 pm
Truck running lean

Last post by pmuller9 « Sun Apr 08, 2018 7:01 pm
Replies: 10
by Bobby807 » Sat Apr 07, 2018 10:48 pm

10 Replies

169 Views

Last post by pmuller9 View the latest post
Sun Apr 08, 2018 7:01 pm
Forged Crank NIB

Last post by CNC-Dude « Sun Apr 08, 2018 2:35 pm
Replies: 20
by 3OOford150 » Tue Apr 03, 2018 9:20 am

20 Replies

487 Views

Last post by CNC-Dude View the latest post
Sun Apr 08, 2018 2:35 pm
msd Ignition truck now sputtering.

Last post by Harte3 « Fri Apr 06, 2018 4:18 pm
Replies: 7
by Bobby807 » Thu Apr 05, 2018 10:11 pm

7 Replies

190 Views

Last post by Harte3 View the latest post
Fri Apr 06, 2018 4:18 pm
Wrist pins

Last post by brandoncw « Thu Apr 05, 2018 5:35 pm
Replies: 10
by brandoncw » Fri Mar 23, 2018 2:57 pm

10 Replies

360 Views

Last post by brandoncw View the latest post
Thu Apr 05, 2018 5:35 pm
Removing harmonic balancer

Last post by jason832 « Wed Apr 04, 2018 9:01 pm
Replies: 5
by rratselad » Wed Apr 04, 2018 4:18 pm

5 Replies

169 Views

Last post by jason832 View the latest post
Wed Apr 04, 2018 9:01 pm
School me on Pistons

Last post by jason832 « Wed Apr 04, 2018 2:34 pm
Replies: 3
by 3OOford150 » Wed Apr 04, 2018 1:03 pm

3 Replies

172 Views

Last post by jason832 View the latest post
Wed Apr 04, 2018 2:34 pm
240 dies under load idles rough

Last post by Scuzzy_1250 « Wed Apr 04, 2018 1:42 am
Replies: 29
by Scuzzy_1250 » Mon Mar 05, 2018 4:11 pm

29 Replies

809 Views

Last post by Scuzzy_1250 View the latest post
Wed Apr 04, 2018 1:42 am
300 torque build 85 Bronco

Last post by BigBlue94 « Tue Apr 03, 2018 6:32 pm
Replies: 25
by BigBlue94 » Thu Mar 08, 2018 2:47 pm

25 Replies

909 Views

Last post by BigBlue94 View the latest post
Tue Apr 03, 2018 6:32 pm
Which head is this?

Last post by pmuller9 « Tue Apr 03, 2018 1:37 pm
Replies: 3
by 3OOford150 » Tue Apr 03, 2018 12:39 pm

3 Replies

146 Views

Last post by pmuller9 View the latest post
Tue Apr 03, 2018 1:37 pm
Steer me to plain tuneup direction

Last post by f100owner « Mon Apr 02, 2018 9:07 pm

by f100owner » Mon Apr 02, 2018 9:07 pm

0 Replies

84 Views

Last post by f100owner View the latest post
Mon Apr 02, 2018 9:07 pm
Cam question

Last post by Lunatic Fringe « Sun Apr 01, 2018 8:42 pm
Replies: 6
by psa1sonic » Sat Mar 31, 2018 12:56 am

6 Replies

286 Views

Last post by Lunatic Fringe View the latest post
Sun Apr 01, 2018 8:42 pm
Tips on pulling engine and rebuild.

Last post by bubba22349 « Sun Apr 01, 2018 8:17 pm
Replies: 11
by mangold74 » Wed Mar 28, 2018 8:36 pm

11 Replies

362 Views

Last post by bubba22349 View the latest post
Sun Apr 01, 2018 8:17 pm
Newby questions....Ford 300 I6

Last post by yarddogg77 « Sun Apr 01, 2018 3:29 pm
Replies: 2
by yarddogg77 » Sun Apr 01, 2018 12:37 pm

2 Replies

150 Views

Last post by yarddogg77 View the latest post
Sun Apr 01, 2018 3:29 pm
EGR replacement tube for head?

Last post by Ronin_47 « Sun Apr 01, 2018 3:20 pm
Replies: 1
by clintonvillian » Sat Feb 24, 2018 6:29 pm

1 Replies

197 Views

Last post by Ronin_47 View the latest post
Sun Apr 01, 2018 3:20 pm
Private label vs name brand.

Last post by CNC-Dude « Sat Mar 31, 2018 12:26 pm
Replies: 3
by psa1sonic » Sat Mar 31, 2018 11:39 am

3 Replies

161 Views

Last post by CNC-Dude View the latest post
Sat Mar 31, 2018 12:26 pm
Ford 240 Head Pictures

Last post by BigBlue94 « Sat Mar 31, 2018 9:42 am
Replies: 5
by old28racer » Fri Mar 30, 2018 2:10 pm

5 Replies

237 Views

Last post by BigBlue94 View the latest post
Sat Mar 31, 2018 9:42 am
Street 300 L6 Motor

Last post by Fordman75 « Fri Mar 30, 2018 12:31 am
Replies: 153
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by old28racer » Mon Jul 03, 2017 2:52 pm
153 Replies

12832 Views

Last post by Fordman75 View the latest post
Fri Mar 30, 2018 12:31 am
Our three new heads and when to use them

Last post by Wesman07 « Thu Mar 29, 2018 12:34 pm

by Wesman07 » Thu Mar 29, 2018 12:34 pm

0 Replies

192 Views

Last post by Wesman07 View the latest post
Thu Mar 29, 2018 12:34 pm
Scorpion Pedestal Mount Roller Rockers

Last post by old28racer « Mon Mar 26, 2018 7:01 pm
Replies: 2
by old28racer » Mon Mar 26, 2018 3:31 pm

2 Replies

196 Views

Last post by old28racer View the latest post
Mon Mar 26, 2018 7:01 pm
Early Ford 300 head (years / shape / cc)

Last post by Lunatic Fringe « Mon Mar 26, 2018 12:18 am
Replies: 26
by old28racer » Sat Feb 10, 2018 2:10 pm

26 Replies

1127 Views

Last post by Lunatic Fringe View the latest post
Mon Mar 26, 2018 12:18 am
Moved

Last post by psa1sonic « Sun Mar 25, 2018 12:09 pm

by psa1sonic » Sun Mar 25, 2018 12:09 pm

0 Replies

143 Views

Last post by psa1sonic View the latest post
Sun Mar 25, 2018 12:09 pm
Crankshaft keyway

Last post by worken2much « Thu Mar 22, 2018 7:45 pm
Replies: 2
by worken2much » Thu Mar 22, 2018 4:26 pm

2 Replies

126 Views

Last post by worken2much View the latest post
Thu Mar 22, 2018 7:45 pm
Vibration in gas pedal?

Last post by 1986F150six « Thu Mar 22, 2018 2:26 pm
Replies: 8
by brandoncw » Thu Mar 08, 2018 8:51 pm

8 Replies

306 Views

Last post by 1986F150six View the latest post
Thu Mar 22, 2018 2:26 pm
I want to know what is wrong or if theres anything wrong with my motor. And i want to make my motor the best that it can

Last post by Bigchewdogg618 « Thu Mar 22, 2018 10:59 am
Replies: 3
by Bigchewdogg618 » Sat Mar 17, 2018 10:48 pm

3 Replies

299 Views

Last post by Bigchewdogg618 View the latest post
Thu Mar 22, 2018 10:59 am
Fly wheel weight

Last post by arse_sidewards « Tue Mar 20, 2018 9:19 am
Replies: 5
by Wesman07 » Mon Mar 05, 2018 2:40 pm

5 Replies

363 Views

Last post by arse_sidewards View the latest post
Tue Mar 20, 2018 9:19 am
Testing the waters, potential for new cast aluminum valve cover.

Last post by CNC-Dude « Sat Mar 17, 2018 10:55 am
Replies: 23
This topic has a poll. by Rusty_Old_F250 » Sun Dec 31, 2017 10:41 pm

23 Replies

1230 Views

Last post by CNC-Dude View the latest post
Sat Mar 17, 2018 10:55 am
Low-End Torque Upgrades

Last post by Shorty « Fri Mar 16, 2018 6:32 pm
Replies: 49
by lovemy95 » Tue Mar 06, 2018 4:56 pm

49 Replies

1386 Views

Last post by Shorty View the latest post
Fri Mar 16, 2018 6:32 pm

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