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02-18-2024, 09:25 AM | #1 | |
All stock and staying that way
Join Date: Jul 2003
Location: Elkland, PA
Posts: 1,351
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Re: Headers to 2.5" Ramhorns
Quote:
I just replaced the wire heat shields on my 1970 Blazer 350, and it used two 3919807 "tented" shields with the hole for clearance of the temp switch/sensor. One of those is the RH rear position and the hole is for the TCS high temp switch, and the other is LH front for the temp switch/sensor for the temp light or gauge depending on optional equipment. This is contrary to all of the GM parts books which state that the 3919807 shield is solely for the LH front position. Both front shield positions have the separate small steel two wire looms 3744408 for proper spark plug wire retention. The other two "flat" shields used on my application are 3817657 or 3917663, which fit the LH rear and RH front. 3817657/3917663: 3919807: 3744408:
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1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress... 1972 Cheyenne Super 20 2WD, DK Blue/White, 90K ACT. miles, 402, TH400, 4.10 open, tilt, tach, vacuum, A/C, AM/FM, manual throttle.. A mostly original paint never rusted Texas survivor... 2017 Sierra 1500 SLT 4WD, Black, 41k miles, 5.3, 6L80E, 3.42 LS, 20" polished wheels, everything but moonroof and 6.2... 2019 Canyon SLT 4WD, White, 60k miles, 3.6, 8L45, 3.23 LS, 18" wheels Last edited by 1970cstblazer; 02-18-2024 at 09:41 AM. |
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