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hhaase
hhaase HalfDork
8/30/18 10:48 p.m.

What about a motor from  touring bike of the era,  like from a Goldwing or BMW?

Trans_Maro
Trans_Maro PowerDork
8/30/18 10:54 p.m.

Harley Davidson and Moto Guzzi still used pushrods in the 1990s. Lots of aluminum in those.

The 8V engine in my 2013 MG Stelvio kinda-sorta has pushrods. It's got cams in the heads with roller tappets and a stubby little captive pushrod that is like 3/4" long working the rocker arm. Does that count?

Trans_Maro
Trans_Maro PowerDork
8/30/18 11:00 p.m.

In reply to hhaase :

Goldwing has always been OHC.

BMW K series engines are OHC but I believe they ran pushrod boxers into the 1990s.

Dootz
Dootz New Reader
8/30/18 11:56 p.m.

In reply to MadScientistMatt :

Oops, didn't check that

Dootz
Dootz New Reader
8/30/18 11:56 p.m.

In reply to buzzboy :

I don't know what I'm looking at here, sorry

Dootz
Dootz New Reader
8/30/18 11:57 p.m.

In reply to Dr. Hess :

A V-twin right?

I suppose motorcycle engines would be a good idea as well

Dootz
Dootz New Reader
8/30/18 11:58 p.m.

In reply to hhaase :

I honestly forget about motorcycles, they'd be a great provider

buzzboy
buzzboy Reader
8/31/18 6:41 a.m.
Dootz said:

In reply to buzzboy :

I don't know what I'm looking at here, sorry

VW Beetle. Engine and complete cooling system weighs 150lbs wet. Produced new in cars until 2003. Still available new. Stock made ~50hp but a built Type 1 engine can do 250hp.

 

Trans_Maro
Trans_Maro PowerDork
8/31/18 11:37 a.m.

Having a very hard time believing a ACVW engine only weighs 150lbs assembled.

Air cooled bike engines are a lot smaller and weigh more than that.

MotorsportsGordon
MotorsportsGordon Reader
8/31/18 12:01 p.m.

The gm 122 engine does use an iron block but has an aluminum head though. Same with gm high value 3.5 and 3.9 v6. The normally aspirated 3.9 made 240 hp. Though way older th corvair engines are ohv and use an aluminum block with iron cylinders. As the buick/rover v8 was mentioned so it’s worth noting the buick v6 is an iron v6 derived from the aluminum v8.

kb58
kb58 SuperDork
8/31/18 1:33 p.m.

I call BS on many of the drivetrain weights being listed here.  It seems to be human nature to weigh a long block and the result ends up as the weight for the complete drivetrain. Truly a case of wishful thinking in most cases. 

pres589
pres589 PowerDork
8/31/18 1:38 p.m.
stroker said:
pres589 said:

Suzuki J20A is supposed to be really light.  If you like a science project, there are aftermarket turbo kits out there for this engine.  

Anyone know of a bolt-on front/south bellhousing/manual transmission for that engine series?

I thought Suzuki Samari transmissions bolt up just fine.

stroker
stroker UltraDork
8/31/18 3:25 p.m.
pres589 said:
stroker said:
pres589 said:

Suzuki J20A is supposed to be really light.  If you like a science project, there are aftermarket turbo kits out there for this engine.  

Anyone know of a bolt-on front/south bellhousing/manual transmission for that engine series?

I thought Suzuki Samari transmissions bolt up just fine.

Wikipedia sez the Samurai used a G block (generally) but the J engines were used in the Vitara and other larger applications.   The only manual transmission I know of for the J block would be one from a Vitara but the gearing is probably way off for a sporting application....

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