| for the TB bypass. You should sell them on the benefits of bypassing as it will be easier to get off later and less to leak. Include in the price all new gaskets that you will touch so if you need to do them you have them. (Ie: IACV) Having a few extra feet of the silicone hose will prepare you if other coolant hoses are broken/need replacement as well. (I replaced several on the back of the motor since they were easy to get to with the plenum off) Make sure you get a wrench others recommend for removing the EGR tube bolts under the plenum. (They're the biggest PITA and will cause money/time loss) I would also recommend having new fuel hose of the proper pressure rating on-hand. It costs alot more time if you're sitting there fighting with his old shitty hoses. (AND we all KNOW they fail over time, so why not replace them immediately and save time?) New fuel hose clips as well. NEW PCVs and hoses on hand, they dry rot too, again, why wrestle when you can cut/replace? It is not as cheap for your customer for you to cut/replace things I've mentioned, but here's the real deal: -If you spend time wrestling it costs as much to keep old crap as it does to have new, *reliable* parts installed. -The old stuff is likely to break anyway, so why waste time/be unprepared? (brake/clutch booster break ~40-60% of the time, PCV hoses break ~80% of the time, coolant hoses break ~70% of the time, ones on the back of the motor? don't get me started) Z1 clutch/brake booster silicone hoses (that connect on the plenum side) are alot cheaper than OEM, last longer, and come in 3 colors. Silicone coolant hoses? No brainer. PCV silicone hoses? Up to you. the rubber dries/cracks from heat/oil getting in them. We already know the silicone hoses "sweat" when petroleum flows through them, but I don't think the PCV oil flow is so bad that it matters. If you properly change your oil it'll never get so low to be a problem from this. Have you done a plenum pull/injector swap before? How long did it take? Will you be faster in the future? The cut/replace method saves time, but know how long it will take. Lastly, be careful of what you cut, before you cut it. (Don't wanna cut an O2 sensor cable zip-tied to a PCV hose!)
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