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  1. Chris Matheny

    Parts For Sale BMW M73 V12 engine $400

    I have all the parts and wiring harness from a 1996-7 BMW 750i. This is the engine I weighed in my thread I have here in the engine department. This is a 200k mile engine but very clean and great shape inside. All parts I have included. $400 pick up in west central Ohio. I can deliver within...
  2. Chris Matheny

    Automotive engine weight database

    I got the opportunity to weigh another engine today and thought it may be helpful to create a database for weights people have gotten themselves, not heard from a friend of a friend. Here's the ones I've weights so far. GM LE2 1.4 from 2018 Chevy Cruze 155hp 185lbs with water pump, starter and...
  3. Chris Matheny

    Parts For Sale GM LH7 1.6 diesel engine for conversion 33k $1200

    2018 GM 1.6 diesel engine I bought to weigh and see if it would work for my project but it won't. 33,000miles. Stripped of intake and exhaust it's weighs 240# I own an Auto repair shop and got a decent discount and just want back what I paid. That was $1200. I can deliver from West Ohio for a...
  4. Chris Matheny

    GM LH7 1.6 diesel engine weight thread.

    I picked up an engine while traveling last week and finally got it in the shop and on the scale. This engine is from the Cruze/Equinox/Traverse platforms and makes 137hp here in the states and 150-160 in a biturbo version in Opels in Europe I stripped off parts until it was bare bones and...
  5. Chris Matheny

    BMW M73 V12 Real weights.

    I had heard many weights quoted for the BMW V12 engines and they seemed to be spread over about 100# so I decided to buy one today and weigh it and its parts as I removed them. Here's what I came up with on my hoist scale. Fully dressed with all wiring as pulled. 495.28# Wiring...
  6. Chris Matheny

    Build area tips and advice

    So my shop renter moved out and I am in the middle of re-insulating my entire shop due to a raccoon infestation last winter(man they are destructive). I am setting up my dedicated build area for my KR2S. I have 24x30 area set aside for the build and was wondering what you guys have found as a...
  7. Chris Matheny

    HP limits of Rotax 75mm propeller bolt pattern

    Just curious of what peoples opinions are on the upper HP or KW limits of the old Rotax small 75mm prop hub pattern? I know they switched to the 4" (101.6mm) pattern but there were a lot of 912's made with this smaller pattern. Were they addressing an issue (anyone have a problem?)or just...
  8. Chris Matheny

    Lycoming engine parts specs please

    It seems near impossible to find any real measurements or weights of "certified" aircraft engine parts. I'm wanting the connecting rod length, piston weight (with rings and pins preferably). I'm wanting to run some calculations on these engines at 2700RPM as to instantaneous piston speeds and G...
  9. Chris Matheny

    GM LE2 engine conversion

    This will be the thread where I will share progress of converting a GM 1.4L Cruze LE2 engine. So far I have disassembled a spare engine to look over everything and decide if I like it. I weighed everything individually and have decided to use it. The entire engine with turbo, ecm alternator and...
  10. Chris Matheny

    New member from Dayton Ohio area.

    Hello all, I'm Chris Matheny from near the birthplace of aviation. I have started on an automotive conversion idea I had and have almost completed the redrive for it and should have the engine running it on a test stand by spring. This is a 4 cylinder inline liquid cooled turbo engine with dual...
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