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03-13-07, 11:31 AM
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#1 |
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what he said
Join Date: Feb 2002
Location: Las Vegas
Posts: 10,990
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Head comparisons..(FAQ)
While Dhondagod was at my house over the weekend we were chattin about different heads for 2f's. H recently had a head gasket blow in his early 2F and got a good look at his head.
I knew that I had a later model head sitting around (probably around 87 ish) with a casting number 61040 and 0704. BUt I was looking at Matt.machines motor and noticed that his head is significantly different is combustion chamber design than mine is.. According to Jim, the head casting numbers available for a 2f are: Heads are 61030 or 61031, open chamber, or 61040, 61070 closed chamber. Dhondagod is plannin on taking some junk heads and cutting them up to see the differences between the different casting numbers. I do know that the later head that I have does not "narrow" down in the intake. So it should flow better. And obviously the combustion chambers are different. I'll take pics of the heads I currently have and give some indication of the differences. Then link to matt's pics. Does the 3F head have a different combustion chamber than the 2f head?? Pics? __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game." |
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03-13-07, 11:45 AM
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#2 |
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what he said
Join Date: Feb 2002
Location: Las Vegas
Posts: 10,990
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I would also like to get some part numbers or application x-refrences for head parts.
Matt is using Ferrea Winsor Valves (what size, stem diameter/length) The valve locks are apparently Crane cams 99095-1 which refrences Valve Locks, Machined, Hardened Steel, 7 Degree, 1-Groove, 11/32 in. So it looks like a 11/32 stem diameter. Ferra lists these "windsor" valve options FORD WINDSOR 289 - 302 - 351 F5014 E 1.450 11/32 5.030 .325 12º Under Cut-Dish Head F5015 E 1.600 11/32 5.030 .325 12º Under Cut-Dish Head F5038 E 1.625 11/32 5.060 .250 12º Under Cut-Dish Head F5012 I 1.782 11/32 5.030 .325 10º Under Cut-Dish Head F5056 I 1.900 11/32 5.030 .325 10º Under Cut-Dish Head F5018 I 1.940 11/32 5.030 .325 10º Under Cut-Dish Head F5020 I 2.020 11/32 5.030 .325 10º Under Cut-Dish Head F5039 I 2.055 11/32 5.060 .250 10º Under Cut-Dish Head Do you have a seal PN? __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game." |
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03-13-07, 12:27 PM
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#3 | |
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LIFER with a 2F-ETI
Join Date: Jan 2006
Location: Melbourne
Posts: 1,787
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Quote:
 1.9 F5047-PHW http://www.ferrea.com/category_searc...5047&dealer=99 and 1.6 F5046-PHW http://www.ferrea.com/category_searc...5046&dealer=99 Strange that as they come up as CSB valves though the final bill just lists Ford valves and no part No http://forum.ih8mud.com/40-55-series-tech/134529-2f-3f-e-%3D-2f-eti-into-my-fj40-4.html Also the pics in my thread are of a 3F-E head if that helps the 3F maybe different again.http://www.ferrea.com/ __________________ If the wife's not complaining your not spending enought time with your 40! 2F+3FE+T+I-3F=2F-ETI THE MULE @ 400hp max Est @ 15PSI DYNO'd at 8PSI 155kw/208hp and 650Nm/480ftlb @ the RW Links Sponsored by OZZIEWEBHOSTING Mac's Space 
Last edited by matt.mcinnes; 03-13-07 at 10:04 PM. |
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03-13-07, 12:29 PM
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#4 |
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Cruiser Curmudgeon
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SBC valves:
OAL 4.91" Stem Dia. .343" F/2F valves: OAL 4.91-4.92" Stem Dia. .314" __________________ Thanks, Jim C. TLC Performance Underhood Janitor, cleaning up other people's  since 1988.
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03-13-07, 01:16 PM
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#6 | |
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what he said
Join Date: Feb 2002
Location: Las Vegas
Posts: 10,990
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Quote:
Ahhh.. That is where I was confused.. I had not realized that there was a 3fe head.. Interesting.. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game." |
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03-13-07, 01:16 PM
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#7 | |
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Cruiser Curmudgeon
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Quote:
RECEIVE<--- this is a linky We're doin' it Poser-style today. 
__________________ Thanks, Jim C. TLC Performance Underhood Janitor, cleaning up other people's since 1988.
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03-13-07, 01:23 PM
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#8 |
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what he said
Join Date: Feb 2002
Location: Las Vegas
Posts: 10,990
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Glad yer using your star
 Thanks Jim.. I am looking forward to cutting a profile into a head to see how much benefit can be gained with shaping.. __________________ I am kinda gay....... My Myspace http://profile.myspace.com/index.cfm...endid=75712409 "Mary Poppins: In every job that must be done, there is an element of fun. You find the fun and - SNAP - the job's a game." |
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03-13-07, 01:26 PM
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#9 |
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Cruiser Curmudgeon
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Using the star was easy.
It was shrinky-dinking the pics and saving them in the right size that was a PITA initially. 
__________________ Thanks, Jim C. TLC Performance Underhood Janitor, cleaning up other people's since 1988.
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03-13-07, 02:10 PM
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#10 |
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GSMTR Chair
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Learn something new every day. Thanks Jim for the link.
So you could easily increase the compression on a 3fe head by swapping out to a flatter valve? __________________ Marshall Upstate Cruisers Toyota parts number lookup / don't be stupid click this link and save yourself a whole lot of trouble. The Great Cruiser Part Links Thread Buying a Land Cruiser Guide 73 Fj55 Big Ugly 76 FJ40 ROTW Big Gay 2f Build 75 FJ55 My Build 93 FZJ80 stock everything and staying that way. |
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