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post #1 of 7 (permalink) Old 12-31-2012, 03:37 PM Thread Starter
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LT4 intake?

I have a intake that has red paint peeling from it. How can I tell if its a LT 4.
I don't think it is but it would be nice to know.
thanks in advance.
Leebo
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post #2 of 7 (permalink) Old 12-31-2012, 03:52 PM
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Quote:
Originally Posted by lee33lyn View Post
I have a intake that has red paint peeling from it. How can I tell if its a LT 4.
I don't think it is but it would be nice to know.
thanks in advance.
Leebo
On the passenger side flange near the 3rd sparkplug port there is an 8 digit number.

What's the number on your intake?

KW

1995 Impala SS, Heads/Cam LS3 Conversion
1996 Impala SS, 398ci Solid Roller LT4
2014 SS Sport Sedan, 429ci LS3

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post #3 of 7 (permalink) Old 12-31-2012, 04:01 PM Thread Starter
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I'll have to find out tomorrow.
Its at a race shop.
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post #4 of 7 (permalink) Old 01-05-2013, 06:33 AM Thread Starter
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10108630
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post #5 of 7 (permalink) Old 01-05-2013, 12:29 PM
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Quote:
Originally Posted by lee33lyn View Post
10108630
All I did was "Google" Gm 10108630 to find out it's the stock lt1 manifold.

1989 jaguar xjs, '93 z/28 eng.& trans. asp pullies,csi,1.7 scorpions,26918 springs, transgo, yank ss3600, homemade shorties,dr. gas x, alvins tune 12.82@104 1.74 60' 3900#
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post #6 of 7 (permalink) Old 01-06-2013, 08:17 AM
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Lt4 intake part numbers

Part Numbers at a glance-

LT4 Grand Sport - 12550630
LT4 Conversion - 12550631
LT1 Stock - 10108630

LT4 Intake Manifold part numbers PLUS Stock LT1 Manifolds - Auto-Trend Repairs and Service Information Forums

The only difference betwean the LT4 intake and the 1996-97 LT1 intakes is the material above the ports (and the part number).


LS1TECH - View Single Post - lt1 lt4 intake


Lt4 heads 96 350 LT4

10239902 96 350 LT4, Aluminum, 195cc ports, 54.4cc chamber

12555690

12555332

12363287 Lt-4 96 Vette

Chevrolet Head Casting Numbers

93 Z28 T-tops T56 6spd 3.23 Gears,
Mostly Stock.

Last edited by Viper; 01-06-2013 at 08:24 AM.
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post #7 of 7 (permalink) Old 01-06-2013, 08:36 AM Thread Starter
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Great info! thanks!
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