?'s about my Build codes
Thread Starter
Instructor
Joined: Mar 2005
Posts: 217
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From: 86 Z51 Coupe Branson,MO
?'s about my Build codes
I researched my build codes and have ?'s.I have an 86 coupe.G44 3.07 rear.Does that mean dana 36 or 44?And I found that I have a Z51 
.Thats always nice to know.FE7,Does that pertain to the Z-51?I had no idea about any of this so was excited to find out. 
.Thats always nice to know.FE7,Does that pertain to the Z-51?I had no idea about any of this so was excited to find out.
Safety Car
Joined: Sep 2002
Posts: 4,971
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From: The reason time exists is so everything doesn't happen at once
Originally Posted by AFogleman
I researched my build codes and have ?'s.I have an 86 coupe.G44 3.07 rear.Does that mean dana 36 or 44?And I found that I have a Z51 .Thats always nice to know.FE7,Does that pertain to the Z-51?I had no idea about any of this so was excited to find out.
.Thats always nice to know.FE7,Does that pertain to the Z-51?I had no idea about any of this so was excited to find out. G44 is the 3.07 rear axle. This rear was only available with automatic transmissions which all had D36 rears.
FE7 is the RPO code for high performance suspension i.e. Z51.
Le Mans Master
Joined: Jan 2004
Posts: 7,276
Likes: 3
From: Why are there squished peanut butter cups in my underware?
FE7 is the code for the heavy duty suspension.
Z51 is a performance package, that includes many (depending on the model year 84-90) options, including FE7.
Z51 is a performance package, that includes many (depending on the model year 84-90) options, including FE7.
Le Mans Master
Joined: Jan 2004
Posts: 7,276
Likes: 3
From: Why are there squished peanut butter cups in my underware?
Originally Posted by AFogleman
Heavy duty Huh?What changes did a Z51 in 86 have over a stock?
quicker steering ratio
thicker sway bars
stiffer springs
16x9.5" wheels
*radiator boost fan
*Delco-Bilstein shocks
*oil cooler
*heavy duty radiator
*= optional on regular Vettes
