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Who can rebuild their own engine??

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Old Apr 25, 2005 | 03:28 AM
  #61 (permalink)  
HerHotRod's Avatar
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Originally Posted by 0HP930
One of the most common mistakes made by first time engine builders is putting the rod and main caps on either mixed up or backwards. Some people also put the rods and pistons in the wrong orientation.

Most of the FUBARed DIY rebuilds that find their way into our shop self destruct for those very reasons.
True. Thats one of the first things I learned. I punched one set myself just in case they got moved around.
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Old Apr 25, 2005 | 11:17 AM
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i have rebuilt late model imports w/ oil clearances going into the Ten-thousandths place and old school domestic SB1's with oil clearances going into the thousanths. also custom fabrication and modification on the engines to alleviate some inherent design flaws from the factory. its fun, it does teach you respect for you rmotors, but it also means that you know EVERY single nut and bolt has been gone through, torqued and retorqued and all the clearances are spot-on and that it wasnt thrown together. when people build motors for other people, there is less urge to get it right since they will not be the ones driving it when it craps out. however, i have no desired to rebuild a rebult engine, so i do everything right the frst time, and go above and beyond factory specs/equipment.
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Old Apr 25, 2005 | 03:00 PM
  #63 (permalink)  
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Yeah, one nice thing about doing your own stuff is that you can do so much better than the factory did, even if the factory did a good job.

Balancing an already well balanced motor is a good example.

http://forums.pelicanparts.com/showt...postid=1696485
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Old Apr 26, 2005 | 01:08 PM
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i can, but i havent done any "fun" motors as of late. dont get me wrong, its fun as hell to dig into a motor, but i havent built a performance engine yet. might not need to. ive built a cavalier motor, a old school straight 6 toyota truck, and a crx. nothing jawdropping, but i got a killer backround on basic engine building.
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Old Apr 26, 2005 | 01:21 PM
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um, what toyota truck had a straight 6? and which straight 6 was it?
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Old Apr 26, 2005 | 02:02 PM
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Landcruiser.
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Old Apr 26, 2005 | 02:10 PM
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wow, i didnt know that. have any idea what size it was and what the engine designation is?
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Old Apr 26, 2005 | 04:11 PM
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i really dont remember, it was back when i was 16 at MTI. (auto tech school) anyways, the thing spun a bearing so it basically had to be torn down to replace the bearings. a little trick i learned if you mix up rod caps, is to check the graining, if the "scratch marks" aligne and go in the same direction as the ones on the actual rod, then its the right one. and get this, when we were putting the rod caps back on, this kid gave us the wrong TQ spec, so we stripped the hell out of one rod cap nut. shit!
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Old Apr 26, 2005 | 04:42 PM
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been there done that would do it again if needed to.
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Old Apr 26, 2005 | 04:54 PM
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I've built both motors inthe enjuku racing twin drift cars, as well as a few other customer's sr's and b series, as well as an h series or two.

thank you tony for providing me with machine work i can trust ( even though i still check everything myself when the motor gets to the shop
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