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World's slowest Fiero/Quad 4 Swap (Page 27/48) |
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Quadfather
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NOV 12, 07:01 PM
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zkhennings
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NOV 16, 01:11 PM
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Really nice work! I just read through your whole thread, you are getting close. Quad Four is such a sweet motor, I look forwards to seeing more progress! If I were you I would focus mainly on getting it running and driving over everything else, that way you can enjoy it and it will motivate you to get to all the details that will make the car perfect.
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Quadfather
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NOV 16, 03:01 PM
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quote | Originally posted by zkhennings:
Really nice work! I just read through your whole thread, you are getting close. Quad Four is such a sweet motor, I look forwards to seeing more progress! If I were you I would focus mainly on getting it running and driving over everything else, that way you can enjoy it and it will motivate you to get to all the details that will make the car perfect. |
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Thanks very much. Yes, I'm trying to keep a laser focus on getting the car on the road. Sometimes it's hard, though, especially when other fun projects pop into my head.
And you're right, the Quad is an awesome engine.
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Quadfather
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NOV 20, 07:15 PM
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Quadfather
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NOV 20, 07:25 PM
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This engine quit running in 2012, while it was still in my rusty old GTZ, when the timing chain tensioner broke. Because the Quad is an interference engine it bent four valves in the process.
Today I spent about 20 minutes looking for the broken tensioner to figure out if any of it was salvageable or if I need to order a new one. I’ll have to order a new one. Even if I could remember how the spring is supposed to go back inside I don’t think there’s any way to get it back in there.
[This message has been edited by Quadfather (edited 11-20-2021).]
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Quadfather
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NOV 20, 07:36 PM
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Back in 2008, I remember being excited when the remanufactured head arrived. I carefully installed it on the engine, then was crushed to discover the holes for the cam tower bolts were stripped. Thanks to the Quad4forums, I discovered that that was a common problem and the solution was to use studs. The holes are very deep but the OEM bolts only catch the first six or seven threads and often pull them out.
Instead of paying one of the forum members for a set, I bought some all-thread and made my own. It was a very tedious process. I bought three sections of all thread, cut them into 20 pieces, then had to carefully grind the burrs off each end. I also cut a slot in one end to use a screwdriver to install them. I don’t remember how long it took me to make them all, but it was worth it.
[This message has been edited by Quadfather (edited 11-20-2021).]
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Quadfather
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NOV 20, 07:43 PM
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The new timing chain and gears arrived yesterday. I’m on vacation next week and soccer season ends tomorrow, so hopefully I’ll be able to get the engine almost completely reassembled in the coming days.
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Quadfather
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NOV 22, 05:11 PM
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Quadfather
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NOV 23, 10:03 PM
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Quadfather
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NOV 23, 10:12 PM
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Here’s a tip about storing oily lifters for a decade. Use egg cartons, but be sure to pick polystyrene ones instead of the pressed paper ones. It was easy to read the numbers I wrote on the polystyrene one in 2012, not so much on the pressed paper one, thanks to it wicking up all that old oil.
Also, beware of black holes. This is the plate/lifting eye that bolts to the end of the exhaust cam tower. One of the four mounting bolts disappeared this afternoon.
I spent about 20 minutes moving parts and tools off my work table and even got down on the floor and looked underneath but still didn’t find that bolt. The only logical explanation is that a small black hole opened up and transported it to another dimension.
While hitting the remaining three bolts with the wire wheel on the bench grinder, I dropped one. Spent ANOTHER 20 minutes looking for that bolt, too. Just as I was about to give up, I found it lying on the flange on the grinder. I swear I’d seen it flying across the floor after it left my hand.
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