how to identify mexican block?

blue oval 50h · 10-07-2001, 11:18 PM

How do I identify a mexican block? Thanks

NO SLO PK · 10-08-2001, 12:17 AM

I don't know about the casting numbers, but I can tell you the main caps are visually a lot beefier. I can visualize the differences but I can't describe them well.

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Russ L
'91 LX
Procharger, 3 row intercooler, extrude honed Cobra intake, Mac full Length Headers, 30# inj., 73mm C&L, 75mm tb, E303 cam, 289 rods, ported E7 heads, MSD, T-Rex w/255 lph Walbro, 5 lug conversion, Cobra R wheels, 3.27 gears and Moser Axles.

Sideways LX · 10-08-2001, 01:22 AM

They will say "MEX" in small lettering around the distributor hole.

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matt cook · 10-08-2001, 09:26 AM

they say 'hecho en mexico' in the lifter valley also

PKRWUD · 10-08-2001, 01:25 PM

It'll be wearing a funny hat and smell like killer grub.

Take care
~Chris

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Retired Moderator
MustangNet

My site: JimPorterRacing

RACECAR spelled backwards is RACECAR

HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!

10-08-2001, 01:44 PM

Chris - LMFAO

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'90 LX 5.0;12K original miles;FMS 3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside weld-on subs;9" K&N cone filter charger;Hurst shifter;Cervini 3" turbo hood;A/C delete;gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS custom chip;Holley 190lb fp;TFS track heat intake (12.299 @ 113mph w/ a 1.78 60')
....soon to be b

jimberg · 10-09-2001, 12:38 PM

The letters MF are by the distributor hole. The F is made by attaching the two horizontal lines to the last vertical line of the M.

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351W 89 Mustang GT Convertible

10-07-2001, 11:18 PM	#1
blue oval 50h Registered Member Join Date: Dec 1998 Location: NJ Posts: 219	how to identify mexican block? How do I identify a mexican block? Thanks

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10-08-2001, 12:17 AM	#2
NO SLO PK Registered Member Join Date: Mar 1999 Location: Arcadia, CA, USA Posts: 731	I don't know about the casting numbers, but I can tell you the main caps are visually a lot beefier. I can visualize the differences but I can't describe them well. ------------------ Russ L '91 LX Procharger, 3 row intercooler, extrude honed Cobra intake, Mac full Length Headers, 30# inj., 73mm C&L, 75mm tb, E303 cam, 289 rods, ported E7 heads, MSD, T-Rex w/255 lph Walbro, 5 lug conversion, Cobra R wheels, 3.27 gears and Moser Axles.

10-08-2001, 01:22 AM	#3
Sideways LX Registered Member Join Date: Jan 2000 Location: Costa Mesa, California Posts: 17	They will say "MEX" in small lettering around the distributor hole. ------------------

10-08-2001, 09:26 AM	#4
matt cook Registered Member Join Date: Dec 1998 Location: Richmond, Virginia Posts: 449	they say 'hecho en mexico' in the lifter valley also

10-08-2001, 01:25 PM	#5
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	It'll be wearing a funny hat and smell like killer grub. Take care ~Chris ------------------ Retired Moderator MustangNet My site: JimPorterRacing RACECAR spelled backwards is RACECAR HEY !!! Are you ASE Certified ??? If you are, ask me about iATN. The best tool you'll ever have, and it's free !!!

10-08-2001, 01:44 PM	#6
bada$$lx Guest Posts: n/a	Chris - LMFAO ------------------ '90 LX 5.0;12K original miles;FMS 3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside weld-on subs;9" K&N cone filter charger;Hurst shifter;Cervini 3" turbo hood;A/C delete;gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS custom chip;Holley 190lb fp;TFS track heat intake (12.299 @ 113mph w/ a 1.78 60') ....soon to be b

10-09-2001, 12:38 PM	#7
jimberg Registered Member Join Date: Oct 1998 Location: Rogers, MN Posts: 2,089	The letters MF are by the distributor hole. The F is made by attaching the two horizontal lines to the last vertical line of the M. ------------------ 351W 89 Mustang GT Convertible