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afr stampings?

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Old

Oct 10, 2009 | 11:41 AM

#1

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Joined: Aug 2007

Posts: 1,111

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From: chicago

Car: 87 GTA

Engine: 385 sbc

Transmission: 700r4

Axle/Gears: 2.73 posi

afr stampings?

I just found out the heads on my motor are afr 190s but next to the 190 stamp it says RST. Anyone know what this stands for? thanks

Old

Oct 10, 2009 | 12:22 PM

#2

On Probation

Joined: Oct 2008

Posts: 6,319

Likes: 19

From: Northern Utah

Car: seeking '90.5-'92 'bird hardtop

Engine: several

Transmission: none

Axle/Gears: none

Re: afr stampings?

Are you sure it isn't SHST? The SHSTs were intended for 305s.

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190, afr, air, flow, head, research, rst, stampings

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