The lower section of the timing chain cover intersects the oil pan, with a rubber seal sandwiched in between cover and pan. From looking at Napa's website there is a difference. So you need to know what damper you have, to know what tab to use. Which pans use which gaskets? Mark IV timing covers flair outward around the bottom bolts to extend the front gasket to the pan rails. $17.90 shipping. On 1990–1995 Gen V timing covers it is offset to the rear with an auxiliary timing tab riveted to a lower extension. $301.81. There are several different dampers and timing tabs. They are notoriously low on oil pressure, so much that Chevy redeisgned their gauges to read high to solve the problem. There are also two different Chevrolet bolt-on tabs, depending upon the diameter of the damper used. Your IP: 126.96.36.199 Performance & security by Cloudflare, Please complete the security check to access. And how would I go about filling the grove and figuring out timing pointer exact location? Part Number: NAL-12633906 If you need this boss, as far as I know you may have to use a GM cover. Ending Jun 28 at 9:39PM PDT 6d 23h. Since the timing cover must surround the entire timing chain, which runs from the engine crank up to the camshafts, it’s a large cover with a large gasket. A "thick seal" is about 3/8 in. Can anyone help me out here please!!!!!! Is the use of the thick vs thin seal determined by the timing cover or the oil pan? CHEVROLET 5.7L/350 Chevy small block Gen I Timing Covers. Please enable Cookies and reload the page. To bolt up a short pump, you will need to either remove the timing pointer or change the entire timing cover. 1980-87 CHEVROLET TIMING COVER HOUSING GM USED PART PLEASE READ DESCRIPTION. Then without turning the engine, bolt on the new timing pointer, and make a mark on the balancer at '0' degrees. $30.00. It will fit and clear the early aluminum covers that use the small screw pointers. However, any early small block standard rotation water pump will bolt on, so long as you use the pulleys and engine accessory mounting brackets that were designed to be used with the water pump that you install. $11.31 shipping. Steel Timing Cover w/ Thrust Plate for Chevrolet 265-400 Small Block . If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Cloyes Gear 9-221 - Cloyes Quick Button Two-Piece Timing Covers. Three-Piece Billet Aluminum Timing Cover for Chevrolet Small Block and V6 . I already have a new timing cover and balancer dang truck is haunting me! SKU 208. Chevrolet's small-block V-8 engine timing specifications depend on the cubic-inch displacement and whether a manual or automatic transmission matches the engine. Consequently, the timing pointer is spot welded to the timing cover in a position that will not let a short pump bolt up. The timing cover is off an older SBC and … Early Chevy timing-chain covers used welded-on timing tabs, while later engines used bolt-on tabs. Another way to prevent getting this page in the future is to use Privacy Pass. SBC timing chain cover interchangeability I assume yes, but the guy who sold me the block was sure enough that it woudn't that he sent me a vortec plastic timing cover. If the cover wasn't leaking from the front seal there seems to be little reason not reuse it. I am not sure what years and cid had which. • They are usually just sold as SBC....or I thought. You will have to either fill the existing groove and cut a new one, or change the balancer. difference between the pre 86 350 block and post 86 block Discussion in ' ... and for a performance application, the heads are crap. There are two primary versions of the Gen II small-block, the LT1 and the LT4. Chevrolet Small Block Original Timing Chain Cover #361926, 283, 327,350. To find the location of the new groove on the balancer, you will first need to verify #1 at TDC. On the upside, ... Flywheel and timing cover are different as well. The new pointer is a universal design and will bolt up to both early (C3) and later (C8 and up) covers. hope to clear the air on how to check the proper alignment of timing mark on the old school small block chevys. Also, as you drive, the timing chain whips oil from down on the crank all the way up to the top of your engine so a leak could appear anywhere from the bottom to the top of your engine making them difficult to diagnose. thick. Two-Piece Billet Aluminum Timing Cover for Chevrolet 396-454 Big Block . Add to Cart. It certainly doesn't hurt if it JUST touches. The '79 350 originally had a long water pump on it. $94.99 Filter By Vehicle Timing Cover, One-piece, Aluminum, Natural, Chevy, 2005+ Gen. 4 LS, Kit. To bolt up a short pump, you will need to either remove the timing pointer or change the entire timing cover. A timing chain also acts as a vibration damper. Brand: Chevrolet. Because of this, the recommendation is to replace the cover. This will require you to use a different timing pointer that bolts to the timing cover using 2 bolts on the left side. The pan gasket retainer lip on a Mark IV cover is directly on the bottom. Over it's lifetime, the SBC used 2 different Oil Pan Gaskets. Each cover is precision checked for proper placement of seal and dowel pins to avoid leaks like the other off-center brands. Consequently, the timing pointer is spot welded to the timing cover in a position that will not let a short pump bolt up. Attractive chrome cover for 1969-1991 Small-Block V-8 and all 90° V-6 engines Direct replacement for covers that use bolt-on timing pointer Supplied with GM oil seal (replacement oil seal P/N 10111769) $15.00 shipping. High valve spring pressure can also increase harmonic vibration through the camshaft, further stressing the timing chain. New Listing VINTAGE NOS 1980-91 CHEVY CORVETTE TIMING COVER 350 SBC 3991433 NCRS RARE. 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. $135.75. The early front (timing) cover will interchange as well. 0 bids. COMP Cams 210 - Two Piece Billet Aluminum Timing Chain Cover Small Block Chevy and 4.3L V6 W/6" Balancer (0) $285.99. Is there a difference in 72 and 79 timing covers? Fel-pro specifies a thick gasket at 3/8-inch, and a thin gasket at 1/4-inch. $39.90. or Best Offer. Not sure if the following will help or only confuse the issue: The 1947 - Present Chevrolet & GMC Truck Message Board Network. To cut a new groove, it will be easiest to remover the balancer and cut it with a hacksaw. Yes, the 1996 - 2000 production truck engine does. $9.79 JEGS Timing Cover for 1968-1997 Big Block Ford 429/460. Some timing covers (like Speedway's 910-11040) have a thin grove, and others are thick. • These front covers feature a 4-bolt water pump drive flange and are designed to use the popular magna-flow water pump found on many V-drive and offshore boats. Re: Timing marks on a SBC There were a few different timing mark locations, most were at around 1:30 (on a clock), others were at 12:00. I bought a 7.5" Pioneer SFI balancer and it comes with a new timing pointer in the box. Speedmaster PCE265.1039 - Polished Aluminum 2-Piece Timing Chain Cover Small Block Chevy 283/350/400 (2) $87.34. Cloudflare Ray ID: 6172023f786cc969 The OEM oil pans made between 1955 and 1974 used the "thin seal." Filter Results Filter by Vehicle Individual Parts; Part Groups; Results 1 - 25 of 74 25 Records Per Page Default Sort . The thick seal protrudes above the timing cover. Anyway, the reason is that I have this beautiful cast aluminum timing cover that I want to use on the Vortec build. This can either be done with a piston stop, or just using the existing timing pointer and existing groove. It absorbs a certain amount of crankshaft vibration and shock before it is transmitted to the camshaft. 1955-95 chevy small block 283-305-327-350-400 aluminum timing chain cover set (roller cam) - silver Our Price: $33.81 ALUMINUM CHEVY SB 283-305-327-350-400 TIMING CHAIN COVER - POLISHED thick. You actually have to look with the timing light straight down behind the water pump. 0 bids. A standard SBC style oil pan, oil pump & filter, timing cover all fit. Add to Cart. GM’s Gen II small-block arrived in 1992 and was used in production vehicles through 1997. This vibration can shorten the life of an OE-style timing chain. $20.00. Nice. you do have to use the vortec timing set and harmonic balancer to account for the crank position reluctor.Several other tiny differences. Wish List Compare. I'm using a C3AE-6059-A aluminum cover on my 427 and there's no issues. Ending Thursday at 4:50PM PST 2d. 1962 62 CHEVY CORVETTE BEL AIR IMPALA CONVERTIBLE 283 327 TIMING COVER. This will require you to use a different timing pointer that bolts to the timing cover using 2 bolts on the left side. Chevy: Rear-mount distributor goes through the intake manifold, four-bolt valve covers (perimeter bolts through '85, center bolts '86-and-up), RH fuel-pump mount, RH starter mount. Small-blocks have cubic-inch displacements of 283, 307, 327 and 350. The Vortec engine came with a plastic timing cover with a non-replaceable front crankshaft seal. Watch. The timing cover mounting is a bit different, as the vortec uses a plastic cover with a few less bolts, but it will work on the 87 up block as well. Well, I got confirmation from Sehr that the cover they put on my engine is not for a reverse rotation pump, so I am good to go as far as I can tell. This change also requires a different groove on the balancer. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. The difference between them is the thickness of the gasket in the area that meets the timing cover: A "thin seal" is about 1/4 in. $29.69. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. SKU 310. Cloyes Gear 9-221 - Cloyes Quick Button Two-Piece Timing Covers. Brand: Chevrolet. When looking at the front seal area, the thin seal sits flush with the timing cover. big block chevy mk iv steel timing covers Those cheap, leaky, imported covers can easily be replaced by distinctive chrome, black or gold plated Milodon covers. Finally, you can use an old steel timing chain cover, buy a new chrome or aluminum cover, or whatever you want- as long as you don't need the sensor boss for the crank trigger. Some chevys have the timing tab more to the center of the timing chain cover. You may need to download version 2.0 now from the Chrome Web Store. Finned Aluminum Cam Drive Timing Cover - Gen 4 Big Block Chevy - Use gasket #300-130055 & seal #300-16872. OK guys finally got all my pulleys etc needed to make look like it's a 67-72 Chevy engine. If you have the wrong damper/timing cover/timing tab, it won't be in the right place. Otherwise, it is possible to swap to a steel cover in its place If you cut a new groove in the existing balancer, you need to be sure it is in the correct location. I have no idea if reusing the original is a good idea or not, as I've never tried. These finned aluminum timing covers feature a beautifully polished finned finish. Wish List Compare. Other than that, all the normal small block stuff will fit. Problem now is short water pump will not clear timing cover from 1979 350. It was a revision and upgrade of the Gen I engine, but it isn’t to be confused with later Gen III (LS1, LS6, LS2, LS7) engines that are an entirely different animal. This keeps costs down compared to the “Rocket Block” style raised cam blocks which raise the cam by .391-inch, and require special timing sets, special oil … We just had a small block come in with the same problem and we found out the advance plate in the distributor was actually hanging up. On a small block Chevy engine, some oil pan gaskets are a bit thicker than others (about 1/8-inch) and this can cause a problem where the gasket seals inside the timing cover grove. JEGS Timing Cover for 1955-1995 Small Block Chevy 283-400. $12.84 shipping. Beautifully polished finned finish I am not sure if the following will help or confuse... Now is short water pump will not let a short pump, need. On oil pressure, so much that Chevy redeisgned their gauges to high. 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Listing VINTAGE NOS 1980-91 Chevy CORVETTE BEL air IMPALA CONVERTIBLE 283 327 cover... Reason not reuse it gasket at 3/8-inch, and a thin gasket at 1/4-inch oil,... Different timing pointer in the correct location gasket at 1/4-inch Your IP: •. Camshaft, further stressing the timing cover using 2 bolts on the old school Small Block 283-400... Cover, One-piece, Aluminum, Natural, Chevy, 2005+ Gen. 4 LS, Kit cut it a!