I put a 1641 together for my '67 Bug. Sent the 69mm counterweighted crank, rods, pistons, flywheel, and case to Rimco - they line bored it, faced the cylinder surfaces, set it up for a full-flow filter, balanced all the rotating parts, and matched up the weights of the rods and pistons. I used new single-port heads and a Berg full-flow oil pump.

Outwardly, except for the oil filter, it looks stock. I had to rejet the carb to make up for the bigger displacement. I'm running a stock German muffler and peashooters with heater boxes. Stock vacuum advance distributor with a Pertronix breaker unit.

It's got a lot of torque over the stock 1500, and it is the smoothest engine I have ever driven. Still gets good mileage, too.

Chuck Kuecker

Greg wrote:
I would like to build a 1600cc Single Port engine. I have a 66' Bug that the prior owner put a 1600cc in. I was told if I put the 1300cc back into that I would notice a considerable drop in performance. I am not one who tries to see how I fast I can get it to going between stop lights. I just want to cruise down two lane country roads 45-55mph. I have never built an engine before and the engine that I have now is beginning to consume oil. I noticed that one day when I was heading into a head wind that it consumed a noticeable amount. I check the engine oil before I first start the car and every time that I stop fill up with gas. I guess I have oil slipping by the rings? The engine has been in the car for at least the 11 years that I have owned it. I have always wanted to build an engine on my own. I wanted to keep the engine that I have in the car running and build a new engine. Do you know if I would be better buying a AS-41 case or finding an old case and have it line bored. Should I use a new crank, new connecting rods, etc... I have not found anyone offering new single port heads. I have a Solex 30/31 Pict carburetor and a 111 905 205 M Distributor. Any suggestions would greatly be appreciated.

Thank you,
Greg
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