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Mod | | | Forums66 Topics128,196 Posts1,057,393 Members48,471 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jan 2016 Posts: 246 Shop Shark | | Shop Shark Joined: Jan 2016 Posts: 246 | I have a bypass filter I want to install on my truck, it is the style that bolts to the manifold. Is there anything special I should know before installing it ??? How much oil should I put in the filter before starting the engine ??? Any good hints at keeping the rubber lines away from the exhaust manifold ?? Do you think my oil pressure will drop by installing the bypass filter ???
Last edited by zoegrant; 03/05/2017 5:33 AM.
1953 chevy 1/2 ton with 3 speed 318 on floor and 1955 235 engine
| | | | | Joined: Jul 2013 Posts: 863 Shop Shark | | Shop Shark Joined: Jul 2013 Posts: 863 | Install it towards the front of the intake manifold giving enough room for the generator/alternator and manifold mounted horn. Mount it with "U" bolts supplied? Add about a quart of oil, 1/2 in the filter and 1/2 in the crankcase. Make sure all oil line are flexible and route them away from the exhaust manifold. The bottom line on the filter goes to the crankcase return fitting towards the front of the header pipe and the fitting on the side of the filter goes to the oil pressure fitting behind the exhaust header. You may need to get some various brass fittings to help with routing. Move the hoses and fittings around to get clearance away from the header pipe. Your oil pressure will not drop with the filter, you may pick up a pound or two. I believe there is instructions on mounting a bypass filter on the internet? Also check the treads under SEARCH on this forum for mounting bypass oil filter. tclederman (Tim) has a good photo and instruction sheet. Make sure you use the PROPER filter cartridge.
Tim
"Pay attention to the details! It ALWAYS pays off."
1949 Chevrolet 3100 Series 1/2 ton Pickup 1964 Chevrolet C10 (Ol' Yella) (SOLD) 1958 Chevrolet Biscayne 2 door (SOLD) 1970 VW Beetle
| | | | | Joined: Sep 2006 Posts: 3,596 'Bolter | | 'Bolter Joined: Sep 2006 Posts: 3,596 | | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | | | | | | Joined: Jan 2016 Posts: 246 Shop Shark | | Shop Shark Joined: Jan 2016 Posts: 246 | Thank you Tim & Brad....always appreciate your input
1953 chevy 1/2 ton with 3 speed 318 on floor and 1955 235 engine
| | | | | Joined: Jul 2010 Posts: 592 Shop Shark | | Shop Shark Joined: Jul 2010 Posts: 592 | If you don't have the ubolts with the filter, I recommend that you use muffler clamps. Measure the manifold, but I think that they are 2 1/8". Don't use 2" hardware store ubolts because they won't be the exact size and you'll have trouble getting them over the manifold and then fitting the holes in the canister bracket. You can get the exact size you need if you use muffler clamps.
Since you are mounting it to the engine, you can plumb it with hard lines. I use 1/4" OD copper tubing and compression fittings. Easy to bend and available at any home improvement or hardware store. This eliminates the problems of the rubber hoses.
It is my understanding that rubber lines were included with the kits for a few reasons. One is that they are aftermarket installations, so there is always some wiggle room in how they would be installed and the rubber lines would make for a faster/easier installation. Another is that the kits were for several vehicles/engines, so the lines needed to be universal. And sometimes the canisters were not mounted on the engines (e.g. firewall). This would have required vibration isolation which would have been easier to do with rubber lines instead of creating coils in hard lines.
Food for thought,
Matt | | | | | Joined: Jan 2016 Posts: 631 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 631 | | | | | | Joined: Jan 2016 Posts: 246 Shop Shark | | Shop Shark Joined: Jan 2016 Posts: 246 | Matt...I do have the clamps & bolts so I will be using those. I do like the idea of the solid plumbing. I might do that in instead of the rubber hoses. I will install the rubber hoses first as I already have them, to see exactly how close to the exhaust they would be. If any chance of a problem, I will run hard lines....thanks
Last edited by zoegrant; 03/05/2017 5:01 PM.
1953 chevy 1/2 ton with 3 speed 318 on floor and 1955 235 engine
| | | | | Joined: Mar 2002 Posts: 9,115 'Bolter | | 'Bolter Joined: Mar 2002 Posts: 9,115 | I used steel lines too. However the routing I used makes it difficult to get a catch container under the can from the top of the motor. That may be something you want to think about when making your lines. | | |
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