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Up to what year 360 blocks will LA Heads fits? #618299 02/19/10 08:36 PM 02/19/10 08:36 PM
Joined: Feb 2010 Posts: 25 Florida R racer95 OP member
racer95 OP member R Joined: Feb 2010 Posts: 25 Florida	Will they fit the roller or magnum blocks? If so, what modifications are needed? shyncl@yahoo.com

Re: Up to what year 360 blocks will LA Heads fits? [Re: racer95] #618300 02/19/10 08:40 PM 02/19/10 08:40 PM
Joined: Jan 2003 Posts: 9,826 las vegas 70AARcuda master
70AARcuda master Joined: Jan 2003 Posts: 9,826 las vegas	roller 360 engines 89-91 came with LA heads LA heads will fint Magnum blocks..just need to get oil to the shafts... someone will come along and tell ya how... Tony 70 AARCuda Vitamin C 71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield) 71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas) 71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)

Re: Up to what year 360 blocks will LA Heads fits? [Re: 70AARcuda] #618301 02/19/10 09:30 PM 02/19/10 09:30 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: someone will come along and tell ya how... Drill in horizontally in the rear of each head into the threaded boss then countersink into the rear pedestal vertical bolt hole to enable you to start an angled passage down to meet it. ~.080" will be a good start. Feed them from the passage capped w a NPT plug at the top rear of the block next to the oil sending unit. If you are currently getting started w the bare block up on the stand you can drill/tap the (5) vertical crank to cam passages for a setscrew & drill them w a 1/16" bit. This is plenty of oil for the cam journals/bearings and (stock), too much oil is shunted to the cam that would be better utilized elsewhere. PS a cam journal that feeds the heads should only be restricted to 1/8" live every 24 hour block of time like it's your last day on earth

Re: Up to what year 360 blocks will LA Heads fits? [Re: RapidRobert] #618302 02/19/10 10:12 PM 02/19/10 10:12 PM
Joined: Feb 2010 Posts: 25 Florida R racer95 OP member
racer95 OP member R Joined: Feb 2010 Posts: 25 Florida	Thanks for your help. does anyone know the date/year of of cutoof between LA/roller to magnum blocks?

Re: Up to what year 360 blocks will LA Heads fits? [Re: 70AARcuda] #618303 02/19/10 10:45 PM 02/19/10 10:45 PM
Joined: Oct 2008 Posts: 157 Winlock, Wa F fshd4it member
fshd4it member F Joined: Oct 2008 Posts: 157 Winlock, Wa	Not to hijack, but don't the roller-cammed 360 heads have larger pushrod holes? Will the older LA heads work on them without mods? In order to know what you want, you'll probably have to find out what you don't want.

Re: Up to what year 360 blocks will LA Heads fits? [Re: racer95] #618304 02/20/10 11:35 PM 02/20/10 11:35 PM
Joined: May 2008 Posts: 1,131 Thigh-Gap Junction @ @#$%&*! New user name, Same old jerk!
@#$%&*! New user name, Same old jerk! @ Joined: May 2008 Posts: 1,131 Thigh-Gap Junction	Technically speaking, the Magnum is an LA engine. The 5.9 Magnum came out in '93 and doesn't have the oil passages needed to lube the rockers but the earlier heads fit otherwise. Quote: Thanks for your help. does anyone know the date/year of of cutoof between LA/roller to magnum blocks?

Re: Up to what year 360 blocks will LA Heads fits? [Re: @#$%&*!] #618305 02/21/10 09:04 AM 02/21/10 09:04 AM
Joined: Sep 2007 Posts: 14,889 up yours Supercuda About to go away
Supercuda About to go away Joined: Sep 2007 Posts: 14,889 up yours	SOME of the early magnum blocks still have the oil passage to the heads drilled, ALL Magnum blocks have the passsageway present, all you need is to have it drilled if it isn't. If you're taking it to a machine shop for work it's a minimal job to have the passage drilled. If you just want to slap a set of LA heads on a running shrtblock then it's a different story. They say there are no such thing as a stupid question. They say there is always the exception that proves the rule. Don't be the exception.

Re: Up to what year 360 blocks will LA Heads fits? [Re: Supercuda] #618306 02/21/10 09:29 AM 02/21/10 09:29 AM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	I have a couple pre-mags that oil the rockers the old LA style and with the oil thru roller lifters and hollow rods I have had a couple early magnums that had the block drilled to oil older LA heads...but the mag head was not drilled with the LA oil passage the later 360 head along with 318 heads all got the bigger PR holes when going roller cam if it was a roller block and a slider cam the heads would still have the larger PR hole never know what you will find when they are changing over to something new they used up old stock,started useing new stock,then had a complet change fazing out old style engines I would have thought oiling them both ways would be to much oil in the rockers/head..but when I went roller its oils both ways on my 88 cop engine,so did the 1990 tbi 318 I robed the roller gear from my early 85 roller lifters are not oil thru and had solid rods...I went with it oiling both ways cause I will add mag heads later and it will be ready with the oilers in place IMHO,never say never..no telling what it could be till you open it up and take a looky see

Re: Up to what year 360 blocks will LA Heads fits? [Re: racer95] #618307 02/21/10 09:35 AM 02/21/10 09:35 AM
Joined: Jan 2004 Posts: 5,476 3 340dart4spd Parts Problem
340dart4spd Parts Problem 3 Joined: Jan 2004 Posts: 5,476	Quote: Thanks for your help. does anyone know the date/year of of cutoof between LA/roller to magnum blocks? Last edited by 70CoronetR/T; 02/21/10 09:36 AM.

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