226008 & 226016 small block chevrolet intake
Contents
1. decked the cylinder head faces and the end surfaces of the manifold must be milled to compensate This is necessary to maintain correct port alignment minimize the possibility of manifold vacuum leaks and assure proper engine performance 3 Ignition timing should be set to factory specifications Any attempt to further advance the initial setting will result in 1 an adverse effect on exhaust emission levels and 2 improper engine operation Since idle speed increases as the ignition is advanced the only way to bring the idle speed down to an acceptable level is to close the throttle plates with the idle speed adjustment screw Closing the throttle plates in this manner will change the geometry between the throttle plates and the idle fuel ports This can cause idle quality deterioration and make it difficult to get the idle mixture rich enough If more advance is desired it should be done in the distributor advance curve 4 When changing from a 2BBL intake manifold NOTE Check legality in your state it is sometimes necessary to adjust the transmission kick down linkage to the carburetor in order to obtain WOT This adjustment is made by loosening the locking grommet to achieve full throttle Lock the grommet against the kick down cable and connect the kick down linkage to the carburetor Consult the appropriate chassis service manual for more detailed adjustment instructions APPLICATION SUMMIT manifolds were designed to be used on pr2. This is a must for proper manifold gasket sealing 2 Apply a thin coat of spray adhesive to the cylinder head side of the intake gasket surface Lay the manifold gaskets in place 3 Apply a 1 4 wide bead of oil resistant RTV silicone sealant to the front and rear block sealing surfaces making sure to overlap manifold gaskets at all four corners Do not use cork or rubber seals NOTE Thread sealant should be used on all bolt threads 2 4 Carefully lay your SUMMIT intake manifold in place If the manifold must be moved re check the gaskets Install the intake bolts initially torquing to 10 ft lbs then 15 ft lbs following the factory GM sequence and finally torque to 25 ft lbs 5 Install the thermostat gasket and housing using silicone sealant on both sides of the gasket Be sure that the thermostat housing has been cleaned of any old gasket material 6 Install the heater and radiator hoses 7 Ifyou had to remove your distributor install it at this time Make sure that your distributor engages the oil pump drive shaft 8 Check the location of the rotor and distributor body making sure your reference marks line up Refer to ignition removal section steps 2 3 amp 4 Tighten the distributor body just enough that it can still be rotated by hand 9 Install all water sensors and vacuum fittings into the manifold NOTE Use PTFE tape or pipe dope on all pipe threads 10 Plug all unused water and vacuum ports in t
3. IGNITION REMOVAL PROCEDURES NOTE In some applications removal of your distributor is not necessary If so move on to step 6 below CAUTION FOLLOW THESE INSTRUCTIONS CAREFULLY AS SERIOUS DAMAGE CAN OCCUR WHEN THE IGNITION IS NOT RE INSTALLED CORRECTLY Remove the distributor cap Note the position of the rotor and make a mark on the distributor case in line with the rotor tip Note the position of the distributor vacuum canister and place some type of reference mark on a convenient surface Note the position of the points if open how much if closed note the distance from the point block to the cam lobe Remove the distributor DO NOT rotate the engine after removing the distributor Remove the 12 intake manifold to cylinder head bolts Remove the intake manifold INSTALLING YOUR NEW SUMMIT MANIFOLD 7 16 BOLTS Use these special four bolts supplied in the center manifold holes use thread sealant Tighten these four first using a torque wrench and a 7 16 swivel socket or a 7 16 box open end wrench If using a box wrench estimate the torque compared to other bolts NB Dc 1 To prevent gasket pieces from falling into ports and valleys when cleaning old gaskets from head surfaces lay rags into all ports and valleys When clean remove the stuffing carefully Make sure that all particles that fell on the rags are completely removed Wipe surfaces with rags soaked in lacquer thinner or alcohol to remove any oils or grease
4. 226008 amp 226016 SMALL BLOCK CHEVROLET INTAKE MANIFOLD RACING EQUIPMENT INSTALLATION INSTRUCTIONS This instruction sheet is designed to cover a wide variety of vehicle applications If your vehicle is not equipped with the items referred to in these instructions transmission kick down linkage air conditioning or power brakes proceed to the next step Thank you for choosing SUMMIT for your manifold needs It is our concern that you follow these instructions carefully so that you can achieve the desired results Slight errors in installation can make a big difference in performance mileage and emissions Warranty is void if proper installation procedures are not followed PLEASE READ THE INSTRUCTIONS COMPLETELY BEFORE INSTALLATION IMPORTANT Although all SUMMIT parts pass several inspections it is imperative that the installer personally inspects the part before installation Run a stiff wire through all passages while shining a bright light into it Also wash the part using mild soap and water solution Check the fit on all bolt holes for proper alignment and thread any fittings in first by hand Failure to perform these simple checks could result in engine damage and may void your warranty GENERAL INFORMATION 1 Itis advisable to periodically every six months or 6000 miles recheck the torque on the manifold bolts to minimize the possibility of a vacuum leak 2 Ifthe cylinder heads have been milled or the cylinder block
5. e 1987 small block Chevrolet blocks heads They will work on 1987 92 blocks heads with modifications to the 4 center mounting holes Also these manifolds will work with any aftermarket cylinder heads as long as they have stock ports bolt locations The effective RPM range of these manifolds is off idle through approximately 6000 RPM The carburetor mounting pad is designed to accept either a stock or aftermarket carburetor NOTE It may be necessary to purchase some of the parts listed below or their equivalents in order to properly complete the manifold installation Determination of equivalency is the responsibility of the consumer SUMMIT does not assume that responsibility PARTS REQUIRED Intake manifold gasket set Fel Pro P N 1256 Choke well gasket GM P N 3973000 Oil resistant silicone based sealant Permatex silicone form a gasket Dow Corning Silastic or equivalent Spray gasket adhesive Fel Pro spray tack P N 220 Pipe plugs if needed Carburetor base gasket usually supplied with carburetor PTFE tape DUDUDUDLDU NOTE Never install tapered pipe fittings in an aluminum manifold without PTFE tape or thread damage will occur TOOLS REQUIRED Socket wrench set 3 8 drive ratchet and extensions Open end wrenches 3 8 to 1 Box end flare wrenches optional 10 adjustable wrench crescent Ignition wrench set Screwdrivers standard and Phillips various lengths Gasket scraper Needle n
6. he manifold 11 Install your four carburetor studs in the manifold Place the carburetor gasket on the clean carburetor pad Do not use any type of sealant on the carburetor gasket 12 Install the carburetor Connect all linkage and throttle springs 13 Connect all vacuum and fuel lines Refer to your tags or drawings for correct placement 14 Automatic transmissions only Adjust kick down or throttle pressure linkage for proper shift points Check all linkages making sure that there are no obstructions in function 15 If required reinstall valve covers and new gaskets 16 Install the A C and coil brackets coil wires and all brackets that were removed from the manifold 17 Close the drain and fill the radiator to the proper level with coolant 18 Retighten the gas cap and connect the battery cable 19 Hook up the timing light and start the engine Set the timing to factory specs Tighten the distributor 20 Check for possible fuel oil or coolant leaks and for proper choke operation 21 Install the air cleaner CAUTION Check to be sure that there is adequate clearance for the throttle and choke linkages through their range of travel IMPORTANT Check for adequate hood clearance before closing the hood 22 Operate the engine for 30 minutes Allow the engine to cool and retorque the manifold bolts following step 4 above YOUR MANIFOLD INSTALLATION IS COMPLETE NOW IS A GOOD TIME TO CHANGE YOUR OIL AND FILTER AIC Elect
7. ose pliers Drain bucket Timing light Torque wrench File 3 8 x 16 NC tap for cleaning bolt holes OOOOODOOOCOOCOUCD MANIFOLD REMOVAL PROCEDURE Disconnect the ground cable from the battery 2 Identify the vacuum and crankcase ventilation hoses if any leading to air cleaner and note routing and connection points Remove the air cleaner 3 Prior to removing any other vacuum lines identify the routing of the lines Mark and remove the vacuum lines from the carburetor and or intake manifold 4 Drain the radiator It may be necessary to remove the bottom radiator hose if there is no drain plug in the radiator WARNING Hot water and steam may be present if the engine is still warm 5 Disconnect the throttle linkage transmission kick down linkage auto trans only and choke rod from the carburetor if applicable 6 Loosen the gas cap to relieve pressure from the fuel system Disconnect the fuel line at the carburetor using flare wrenches Plug the end of the fuel line to prevent fuel leakage Remove the carburetor 7 Tag and disconnect the ignition coil and sensor wires Remove the ignition coil bracket and the coil 8 Remove the radiator hose thermostat housing and the thermostat 9 Remove all water and vacuum fittings from the manifold 10 Remove all remaining brackets if any from the manifold 11 Loosen and remove valve covers to assist in the manifold removal and the new manifold instructions
8. ronic Feedback Ignition Coil 9 Bracket Sensor Boss Bracket Vacuum amp Power Water Brake Fitting Outlet 226008 shown above SUMMITE Racing Equipment 1200 Southeast Ave Tallmadge OH 44278 Phone 1 330 630 0240 226008 amp 226016 Revision Date 5 13 13 199R10396 4
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