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What do I have here...engine identification
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garbug
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PostPosted: Tue Aug 23, 2016 5:35 pm    Post subject: What do I have here...engine identification Reply with quote

Im not familiar with bus and porsche engines. The guy i got it from says its out of a porsche but looms like a bus motor to me. Turns free and ran 15 years ago stored in a heated garage. Worth installing in a rail or dine buggy?
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B Ramsey
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PostPosted: Tue Aug 23, 2016 6:12 pm    Post subject: Re: What do I have here...engine identification Reply with quote

Type 4, bus engine by looking at exhaust. Porsche 914 had basically the same motor but mid engine. How many studs are on the heads for intake manifolds?
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Vanapplebomb
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PostPosted: Wed Aug 24, 2016 3:09 pm    Post subject: Re: What do I have here...engine identification Reply with quote

It is a Type 4 engine.

The external accessories are standard issue for a 72 year only bus...looks beat up badly. Someone really screwed that crossbar linkage for the carbs. Shocked

As for the internals, only that can be judged by opening it up.

The Original type 4 engines were pretty sweet, but were always detuned significantly for bus duty in later years. All three of them had much lower compression than when they were introduced 2-4 years earlier. The 1700 type 4 for example had something like 8.2:1 compression and 80hp, but three years later vw put stupid Pistons in with huge dishes on the crowns to lower the compression to a bit over 7:1...and only made 64 hp...

Your engine will love the higher compression of the original pistons. Ditch the bus Pistons and go back to the pop-up top Pistons the 1700 came with on the cars. Wink
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Vanapplebomb
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PostPosted: Wed Aug 24, 2016 4:07 pm    Post subject: Re: What do I have here...engine identification Reply with quote

At second glance, I also noticed that the previous owner apparently didn't know what orientation the air cleaner was designed to be fitted...it's about 60 degrees off clockwise from where it should be. The bottoms of the trap door in the air cleaner snorkel should mate up to the pre heat stove pipe/toilet bowl shaped fitting at the back of the engine. Also the brake booster tube is on the wrong side of the engine.

I love T4 engines, but I looks like you got a lot of work on your hands to fix up what is there. you might be suprised to find the bottom end in good easy to rebuild condition. Most type 4 bottom ends based around the 66mm stroke crank are as easy as polishing up the journals on the crank, new bearings, cam/lifters. Very few require any real machine work. Pretty bullet proof foundation. It's the top end and external accessories that will get you. Pistons and cylinders are easy. 1700 and most 1800 heads are pretty solid and can be rehabbed by installing new guides, cutting the valve seats, and installing new valves. SI Valves makes good stock replacement stainless valves. All three of the 2.0 heads are thin in the combustion chambers and crack easier as a result...overall less durable. The 71mm stroke crank wasn't great either for that mater. I'm prejudice against all the 2.0 engines. Your air cleaner, carbs, and linkage will really need some rehab work...looks like someone really beat up on them...all bent out of whack.

I say it's not a bad place to start. Like I say, you may be suprised about the condition of the botom end. They always look a little scary on the outside. Haha.
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Multi69s
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PostPosted: Fri Aug 26, 2016 12:28 am    Post subject: Re: What do I have here...engine identification Reply with quote

I'm going with a 1700 bus engine. The reason why I say this is the carbs and the mechanical fuel pump. Its a good starting point for a torque monster. That is the same engine I started with for my Squareback swap. bullet proof bottom end, heads have a good port size for torque, and are less likely to drop a seat then the 2.0. Also very easy to convert to a 2.0 without losing reliability. If I knew about the advantages of the T4 motor when I built my Baja's motor, it would have one instead of a 2010 T1.
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Vanapplebomb
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PostPosted: Fri Aug 26, 2016 10:53 am    Post subject: Re: What do I have here...engine identification Reply with quote

Yes multi69s is correct, all the external accessories are standard for a '72 year bus. Short intake manifolds and oil bath air cleaner.

I wouldn't convert to a 2.0 if it were me. I would rather convert to 1911cc. All three of the 2.0 heads were...not great strength, although the the original 2.0 (914) heads that came out in '73 had good shape combustion chambers/plug angle. I don't care for the 2.0 crank though. It flexes more like the bug cranks do. They started life as the same forging as the 66mm cranks, but the jurnals were offset ground 2.5mm and 5mm undersized...removed a lot of material. That's why you rarely see 1700 and 1800 engines with the mains beat out, but somewhat more common to have the mains beat out on the 2.0 engines.

That said, the 2.0 Type 4 will still outlast a built type 1 any day...and for less money too. A stock rebuild isn't as bad on the bank as many T4 critics play it up to be. Cool

When my 1800 gets tired I'm boring out the cylinders to 96mm to make a 1911cc.

Actually, a properly built 1700 with the original car popup top Pistons can be made just as powerful as a '73-76 2.0 (914) engine. Car Pistons gets you good compression, stock heads flow enough, all you need are a set of dual 40's and a little more cam. Wink
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Multi69s
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PostPosted: Sat Aug 27, 2016 9:08 am    Post subject: Re: What do I have here...engine identification Reply with quote

When I converted to 2.0L, I kept the 1700 heads, but went a little bigger on the valves, and the ports were cleaned up. For myself, it was all about port velocity. I also ground the combustion chamber to mimic the Porsche 2.0 heads (well reasonably close), and used the 914 piston and cylinders. It's definitely not a top end motor, but it pulls like a bear.
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73 Squareback - 2L, T4, Automatic W/ AC
Gone, but many fond memories 69 Baja Bug 2010 - 5 Rib Bus Transaxle
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T4 into Squareback http://www.thesamba.com/vw/forum/viewtopic.php?t=458944&highlight=
Auto Trans Rebuild http://www.thesamba.com/vw/forum/viewtopic.php?t=516066&highlight=
AC in Squareback https://www.thesamba.com/vw/forum/viewtopic.php?t=...highlight=
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Vanapplebomb
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PostPosted: Mon Aug 29, 2016 7:27 am    Post subject: Re: What do I have here...engine identification Reply with quote

Good job on the combustion chambers! That was probably the best feature of the original 2.0 engines. Cool
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aladoc
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PostPosted: Tue Feb 14, 2017 12:27 pm    Post subject: Re: What do I have here...engine identification Reply with quote

I need to know what engine I have in my rail that I recently bought. Engine #AE169297 . Best I can figure out was manufactured in late '70, 1600cc. Thanks in advance for any & all help !!!









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Multi69s
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PostPosted: Tue Feb 14, 2017 1:34 pm    Post subject: Re: What do I have here...engine identification Reply with quote

Post a pic
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69 road Bug 2110
73 Squareback - 2L, T4, Automatic W/ AC
Gone, but many fond memories 69 Baja Bug 2010 - 5 Rib Bus Transaxle
Gone but not forgotten 72 Baja Bug 2010
My builds
T4 into Squareback http://www.thesamba.com/vw/forum/viewtopic.php?t=458944&highlight=
Auto Trans Rebuild http://www.thesamba.com/vw/forum/viewtopic.php?t=516066&highlight=
AC in Squareback https://www.thesamba.com/vw/forum/viewtopic.php?t=...highlight=
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Mal evolent
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PostPosted: Tue Feb 14, 2017 4:14 pm    Post subject: Re: What do I have here...engine identification Reply with quote

AE was a 1970 model year 1600 DP, with 10 MM studs. no telling what is inside that case 45 years later.
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