Timing my 327 chevy. with vac adv (manifold vacuum) 06-23-2005 07:44 AM #4. When you can see the groove, paint it with correction fluid. There are several different dampers and timing tabs. Those systems were called HEI-Electronic Module Retard, HEI-Electronic Spark Con-trol, or HEI-Electronic Spark Selection. Do not start the engine. I bring my RPM's down as far as possible when I set my initial timing - like 850 RPM's. Loosen the distributor hold-down clamp with a wrench. A timing slot in the mechanical-advance mechanism limits total engine timing advance by using a pin inside a slot. This method can be used to start an engine that has some sort of after market digital fuel injection system as well. 2" away from the tab when I have a timing light on it.The timing mark is exactly in line with the top of the motor when I have the light on … Some later HEI distributors used five terminal modules, the fifth terminal was used to retard tim-ing based on sensors and circuitry external to the distributor. Turn the distributor until the groove is at "4 Before." if they look good and you are satisfied with the performance leave it be.compression ratio plays a part in this also.9.5 or 10:1 is a good choice for the street if you are running a high octane gas. This is my engine serial number Summit Billet Roller Timing Chain and Sprocket set Factory GM HEI Ignition set up (Vacuum advance) with proper NGK Spark Plugs Equal Length 4-into-1 Headers X-pipes and magna-flow round mufflers, 2.25" or 2.5" Dual Exhaust, Plain tips Summit Aluminum Flywheel 15LB Premium SFI Summit Harmonic Balancer Milodon Oil and water pump Milodon Oil Pan Join Yahoo Answers and get 100 points today. Does anyone have the correct information for timing for a 327 350hp were should i be stetting it at. If, during a test drive, the engine seems a little sluggish, you can move the timing up two degrees to "6 BEFORE." Identify the timing groove in the harmonic balancer. A-Team Performance HEI Distributor 65K Coil 7500 RPM Compatible with GM GMC Small Block SBC Big Block BBC 262 265 267 283 302 305 307 327 350 383 400 396 427 454 Red Cap 4.5 out of 5 stars 343 $59.99 Spark plug wires should be labeled with the corresponding cylinder No. The number one spark plug is the first one on the driver's side of the engine. As far as the curve, the 150 will have 4 degrees MORE crankshaft timing in its mechanical curve, than the 1111249, due to the added 1/4 inch stroke of the engine and the 283 initial timing of 4 deg/BTDC, the 327, 8 deg/BTDC. If you cannot see the groove, bump the starter over with the ignition. The Performance Distributors coil and module equipped unit was good for a solid 9,200 rpm (Performance Distributors claim 9,000). If, during a test drive, the engine seems a little sluggish, you can move the timing up two degrees to "6 BEFORE." I have been told 10 to 12 and higher on a hei Reply With Quote. Model year 1965 250-horsepower 327s have an ignition timing of 4 degrees BTDC, while the 300-horsepower version has an 8-degree BDTC. We commonly added timing to the initial, to the 12 you are now running. Attach the timing light by opening the spring-loaded clip on the spark plug wire lead over the number one spark plug wire. The wires are already factory assembled on both ends for the the 1955 THRU MID 1980'S SMALL BLOCK CHEVY 265, 287, 305, 327, 350, 383 & 400 ENGINES ROUTING UNDER THE EXHAUST AND WITH THE HEI/MALE DISTIRBUTOR CAP. I never timed an engine before Ive always had it done. The HEI distributor is an inductive-discharge-style ignition, but with the points replaced by a solid-state switching device called an electronic ignition-control module. The timing light will make the groove in the harmonic balancer appear to be stationary under the timing marker. FREE Shipping by Amazon. Location champlin Posts 2. thank you that helps. Jump to Latest Follow 1 - 2 of 2 Posts. Place the transmission in neutral. Of course, use a timing light to properly set the timing once the engine is running. If the engine clatters when you accelerate, move the timing down towards the "0" by two degrees. otherwise you must run a lead additive. Chevrolet 1960-1969; Chevrolet 327 V8 Engine. The motor has been rebuilt stock except for harden seats for unleaded gas. Re: converting 327 to electronic ignition 01-15-03 02:19 PM - Post# 157779 In response to waltrip15 hello, I did this to my 66 impala last year. 4. That means the front left cylinder (when facing forward) is the number one p… Also, at 1200 RPM's you MAY have some mechanical advance already kicking in. It has a HEI ignition and a high output cam. With more than 15 years in the auto industry, Bayly has been an auto and diesel mechanic, service writer and parts manager. Shop 327 Chevy Small Block V8 Distributors and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. $59.90 $ 59. Instructions for Ignition Timing in a ... 1968 camaro z28 hood air intake image by Jorge Moro from, Copyright 2021 Leaf Group Ltd. / Leaf Group Media. Anyone know the steps in timing my 327 chevy engine? Discussion Starter • #1 • Oct 23, 2010. labor time to r&r engine on a 98 chevy suburban ? The 1966 versions have an ignition time of 2 degrees After Top Center (ATC). AnswerThe ignition timing of the 1967 non-California 300 hp should set to 6 degrees before top dead center. My son has a 1955 chevy 327 with (unknown camshaft ..has a little lope Weind intake 750 Holley and full length headers..has a t-10 4-speed. That means cylinder number 1 fires first, then cylinder number 8, next cylinder number 4, and so on.So how do you know which cylinder is number one? Fired it up for the first time and it seems to run fine. 327 timing hei regapped plugs. total = 28 @ 2500 rpm. Get it as soon as Tue, Feb 9. Spiral core is the best of both worlds because it gives you high performance without any interference on your radio and electronics. Profile Page. It is a 327 with a stock 65 Holley, HEI and automatic transmission. He received certificates from Pontiac (parts system), Cat Diesel (engine service), Saab and Fiat (parts- warranty system). 327 AMC V8 Timing Components parts in-stock with same-day shipping. Shop 327 AMC V8 Timing Components parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. The Chevy V8 firing order for small and big blocks is 1-8-4-3-6-5-7-2. Shine the timing light on the timing marker. 90. We’re using a Summit HEI distributor. Both the diameter, thickness and the placement of the line on the outer ring of the damper can differ, as well as how the timing tab is positioned. right of 0 there is nothing marked off..any suggestions appreiciated..running now not to bad just dont know a starting point for setting timing with an hei vs points.....thanks, this is right up my alley.i was a certified mechanic back in the early 70s and worked on many engines just like yours.the 0 on the tap means TDC (top dead center).persoanlly i have never seen a tab marked with an A unless you have an aftermarket tab.after you get the engine fired up with a timing light already hooked let the engine idle and point the light at the tab and see where the mark on the harmonic balancer is.with the distributor slightly loose turn it until the marks line up at 0.now for an initial setting i would start at 8 degrees advanced.to get to that point turn the distributor counterclockwise slowly.the engine will speed up.set the balancer mark on the 4th mark on the tab.each mark is 2 degrees.drive the car and see it if spark knocks under a load.if not you may increase the timing another 2 degrees. V1006PHACan you please decode it for me and if you still have the original 327 heads remember they are not made for unleaded fuel unless you had the valve seats changed. switched from points to an hei dont no what to set timing at (ballpark)1955 has a tab with lines before 0 and on the tab at left top there is an a..does that mean after top dead center? switched from points to an hei dont no what to set timing at (ballpark)1955 has a tab with lines before 0 and on the tab at left top there is an a..does that mean after top dead center? Base timing should be checked, and noted. Get your answers by asking now. it is hard to give a definite answer as the quality of fuel available today is quite honestly sh1te, and this will affect the amount of timing you can take, G Force manifold ??? I went to set the timing and the timing mark on the balancer is approx. Still have questions? MI2600. Save Share. 4"rise point the vac at 45 degrees rearward to the left that should be at about 28 degrees. Reattach the vacuum hose to the distributor. right of 0 there is nothing marked off..any … Which should I get? Connect the tach/dwell meter by clipping the red wire on the meter to the positive "+" terminal on the ignition coil. Remove the vacuum hose from the distributor and plug it with a small screw. Performance Hei Ignition Distributor Compatible with Chevy GM SBC BBC 9000RPM V8 65k Coil 283 305 307 327 350 400 Small Blocks and 396 427 454 Big Blocks. Set the parking brake. It looks like it was made in flint Michigan If the engine clatters when you accelerate, move the timing down towards the "0" by two degrees. If not, adjust the idle screw on the carburetor. Paint the numbers with some correction fluid to make them easier to see. larry woods. Use a timing light with vacuum advance disconnected. This will help you see the groove and the marks when the timing light flashes on them. Now that the truck is actually running, its time to set the initial timing of the engine. Position of rotor should be noted. Joined: Jan 20, 2010 Posts: 566. Can you believe what this chevy malibu computer says about the gas mileage I got from Miami to key west and back? So you need to know what damper you have, to know what tab to use. We prefer to set the initial timing for most engines at 10 degrees Before Top Dead Center (BTDC). the 327 is a fine engine, try setting the timing where the old points dizzy was and go for a drive. Is there a difference between a Ted Cruz and a Chevy Cruze? With that set, remove the cap from the distributor. Then, plug your vacuum advance back in. Start the engine and warm it up for a few minutes then turn it off. The 1967 non-california 350 hp should … Reply. initial = 8 degrees @ 850 rpm. It is recommended to set a 10 degree advance offset for the Chevy HEI 8-pin system. The timing setting given is the most common for the 327. 4.5 out of 5 stars 563. Member. (Image/Jeff Smith) I’m in the process of tuning up the HEI distributor in my 350 small-block Chevy. The 327 by Chevrolet was produced from 1962 to 1969. If converting from a point style ignition, all primary Ignition resistance should be removed. Ted Cruz calls Mexico trip amid crisis 'a mistake', How 'The Simpsons' foresaw Ted Cruz flying to Mexico, Report: Olympic coach accused of biting, more, Pair 'dressed up as grannies' to try and get COVID vaccine, Ella Emhoff makes surprise appearance at NYFW, Gates objects to permanent Facebook ban for Trump, Instructor featured on 'Dance Moms' accused of sex abuse, South Carolina governor signs strict abortion ban, Apple's tiny desktop reaches lowest price ever, Stimulus a 'godsend' for people with credit card debt, Dolly Parton tells lawmakers to drop statue plan. Dansk, the original 300 horse 327 used 8 degrees initial, and 12 degrees in the vacuum advance, on full manifold vacuum, for a total IDLE timing of 20 degrees. 327, Vortec heads, 9.6 compression, Lunati Voodoo 262, RPM Airgap intake, 650 Edel carb, HEI,TH350, 3.08 gears. Thank you ? The Accel components drove the HEI to a little over 8,900, and the MSD components drove our test HEI to the limit of our spin machine, which was 9,600 rpm. The timing setting given is the most common for the 327. The engine has a mild cam. if it pings (detonates) then retard the timing a little. It sits directly over the harmonic balancer, the large round disc that the lower belt pulley attaches to. The 327 Chevrolet engine was available in many configurations, including a fuel-injected 375-horsepower model in the Corvette. from venice fl. Good question.The cylinders are ordered from the front of the engine to the rear, starting on the drivers side. If you cannot see the numbers, spray the marker with carburetor cleaner and wipe it with a rag. * HEI range is about 20 degrees. Start the engine. What problems does a bad actuator cause on a 97 chevy silverado 4wheel drive. The engine will be running, and you will be close to the fan blade and fan belts. Tighten down the distributor clamp and recheck the timing. hope this helps and happy motoring. The Chevy 327 V8 was first introduced in 1962 and was available with four different horsepower options depending on what type of fuel delivery and performance setup was available. i would not go any further than 10 degrees advanced until you have driven the car a while.pull the spark plugs and see that the electrodes arent burning off. The tests for the upgraded HEI were with 0.055 plug gaps. Position of vacuum advance canister should be noted. Clip the red lead to the positive "+" terminal of the battery then clip the black lead to the negative "-" terminal of the battery. will seafoam clean the spark plugs in my 2011 chevy malibu 2.4? This is a fairly simple process if you have a timing light! Locate the timing marker on the driver's side of the timing cover at the front of the engine under the water pump. It has the HEI system distributor. Will a chevy s10 2002 modle 5 speed transmission fit in a 2002 Toyota tacoma 4x4? Once you feel compression building, look for the zero mark on the harmonic balancer to approach the timing tag. F. Check the tach meter. I am not sure my total timing is right. Set your timing curve (springs/weights/bushings) with no vacuum advance. Adjust timing where it gets the most vacuum you'll be so close it will hurt. The timing marker, which is attached to the timing chain cover, sits about 1/4 of an inch above it. It should read between 500 and 600 RPM. Clip the black wire to a clean metal surface on the engine. The vacuum advance control unit on the distributor is intended to advance the ignition timing above and beyond the limits of the mechanical advance (mechanical advance consists of the initial timing plus the centrifugal advance that ... 1966 327 High Perf. Went to u-pick junk yard and picked up late 70s hei, cut the heavy gauge red wire back into the donors car harness so you have correct wire going into dist, also get the plug for the tach may need to look around for a van or … Has a smell of gas in the exhaust and is sluggish at times. With the manual transmission, the 327 idles at 475 rpm (with an automatic it idles at 450 rpm). All that is required on this light is to use the up and down arrows to set the mark on the balancer with the zero mark on the timing tab and total timing is displayed on the screen. So, 283, INITIAL, 4, V/A, 16 degrees, 327, 8 INITIAL, 12 degrees, both IDLING with 20 degrees/BTDC. w/o vac adv. The 283-cubic inch engine came out in 1957 with a 3-inch bore and 3.875-inch stroke. so i read the thread a few weeks ago re regapping plugs w/ hei. You should see numbers stamped on it: "BEFORE 12-10-8-4-0-4-8 AFTER." The 327 arrived in 1962 with a 3.25-inch bore and 4-inch stroke. 327 Chevy Small Block V8 Distributors in-stock with same-day shipping. Discussion in 'The Hokey Ass Message Board' started by larry woods, Jan 15, 2011. Timing specs vary, but a good rule of thumb is to set the timing at 12 degrees advance once the engine has started up for the first time. I timed it by sound but now I have a tach and timing light. The 327-cubic inch Chevrolet engine is the third version of the Chevrolet small block engine that first entered service in 1955 as a 265-cubic inch engine with a 3-inch bore and 3.75-inch stroke. Adding more initial timing meant making major changes to the HEI distributor to limit the mechanical advance that was ideal at 20 degrees advance (16 initial + … I have just installed a new rebuilt 1969 327 in my 66 Chevelle. Use caution around moving engine parts. 2010 Chevrolet Suburban or Cadillac Escalade EXT? My son has a 1955 chevy 327 with (unknown camshaft ..has a little lope Weind intake 750 Holley and full length headers..has a t-10 4-speed. New HEI style spark plug wires will be necessary. So, set your initial timing with no vacuum advance. Has been run for about 30 miles. Robert Bayly, based in Apple Valley, California, began writing in 2010, his "how to" articles can be found on eHow. We use a black Sharpie to place a mark on the distributor body …
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