FUEL EXHAUST CARBURETION 3 275 STUD BOLT Manifold Also see groups 3 288 manifold to carb 3 613 manifold toexh pipe and 8 981 Con t r I 69 Sar 10 thru 30 307 350 exc h D D 4 WD 4 right hand exhaust manifold five hola Y 18 16 x 2 u 70 71 Ser 10 thru 30 396 400 3774029 1 L H inlet manifold No 1 hole R H exh i manifold No 5 hola 70 G 10 307 3776391 1 inlet manifold R I I No 4 hola 70 71 All Blazer h333959 A R l 18 24 x 1 3 288 I 70 72 Ser 10 thru 30 396 400 3959168 1 right inIet manifold No 3 hola 16 18 x 2 71 72 G 10 thru 30 307 350 3771084 2 exh manifold R H No 2 and 3 holes 38 72 All Blazer 3909830 A R BOLT at and holes 16 x 2 38 72 All Blazer V 3733130 A R BOLT at and holes f 16 x 2 300M steel e 55 58 All 8 cyl 4 70 72 Sar 10 thru 30 Blazer w Air l Cond Q 3836646 12 BOLT 16 x 1 300M steel A V circle on head 57 68 All 283 307 327 exc 130 r umn I E 70 Ser 10 thru 30 Blazer 307 I 350 3733134 4 BOLT at ctr holes 18 x 2 u 300M steel 8 900 67 69 Ser 10 thru 30 8 cyl 3814889 1 BOLT air cond compressor support 7 16X2 3g 68 Ser 10 w A l R exc D D 67 Ser 10 20 w A l Fl 8 cyl 68 69 Ser 10 vv Air Cond exc P G o T H 400 396 69 Blazer exc A T 70 72 Ser 10 thru 30 Blazer 307 350 exc D D 3841724 1 BOLT exch manif at 3rd right hole y 16x3 u 68 72 Ser 10 thru 30 396 400 3909821 A R I BOLT axh manifold 16 x 1 f 3 278 ADAPTER FITTING STUD TEE ASSY Manifold Vacuum Take Off 7 M 87 70 Ser 10 thru 30 3871227 1 ADAPTER inlet manifold fitting 7 447 68 69 Ser 10 thru 30 Brake Booster 4 w A T 6 cyl 69 Blazer Brake Booster w A T y I 6 cyl exc C A C 3922983 1 FITTING vac inlet manifold 4 931 88 69 Ser 10 thru 30 w gov 533688 1 FITTING gov to carb hose 56 59 Sar 3 8 cyl 60 82 Ser 10 thru 30 8 cyl 3749170 1 STUD hollow 18 24 x 1 t w long vac hose take off 3 288 65 72 All Blazer 336015 1 TEE ASSY hose take offs y 54 55 All 8 cyl lst Ser I 66 60 All 6 cyl 2nd Ser exc D D i I 65 72 All Blazer 336013 1 I TEE ASSY inlet mfld 7 447 66 72 All Blazer 3894339 1 TEE ASSY vac inlet manifold che I hose take off and one hose take off V 18 thds 7 447 67 Ser 10 thru 30 3891526 1 TEE ASSY v ac inlet manifold 18 thd and hose take off 7 447 88 89 Ser 10 thru 30 w Air Cond 3794176 1 TEE ASSY vac inlet manifold 9 198 70 G 10 thru 30 Sar 10 thru 30 4 70 Blazer 3891528 1 TEE ASSY 18 pipe thds hose I take off 7 447 70 72 All Blazer 3989020 1 i TEE ASSY 4 931 I 70 Blazer w Brake Booster 6 cyl 70 Ser 10 thru 30 w Brake Booster 6 cyl 3794177 1 TEE ASSY 1 u 0 L 1 745 3 288 STUD BOLT Intake Manifold to Carburetor NOTE 1 Excess stud length to be cut off longest threaded and as required 38 72 All Blazer 3731702 A R mfld attaching 16 x 1 38 72 AlI Blazar 3798281 2 16 24 x 3 I Note 1 55 57 Sar 3 w gov 8 cyl 82 86 Ser 10 thru 30 w gov exc D A l 67 89 Ser fl0 thru 30 vv gov 8 cyl 6255676 4 B lBZ8f I 1 X 1 un 58 59 Ser 3 8 cyl A 80 62 Ser 10 thru 30 8 cyl 3749170 1 vacuum take off 18 24 x 2 u 83 70 All Blazer 6 cyl i GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL REV 5 79 3 11 I 3 275 3 288