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1965 Hillman imp with GL1500 engine. Road trip time.

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109K views 542 replies 27 participants last post by  yoeddynz  
#19 ·
Russ Collins used to make hot rod parts for them, but that was long ago.
Yeah, most riders would only want to increase peak torque, and Honda pretty much got a bullseye on that.
However, speed is just a question of money, how fast can your wallet go? There have been supercharger installs, or you could do a turbo. For drag racing there is always the bottle.
For a reliable daily driver I would just go with EFI and pretty much leave the rest alone. The stock tuning will be close to ideal for a lightweight car. (1500 pounds or so would be great)
 
#25 ·
Sounds like you will have your work cut out for you. Please post your updates and photos as you go along. Sounds like an interesting project. I guess you could use the stock driveshaft output as a PTO for something, too.
 
#151 ·
Very nice. There was a tent hood contraption that was pretty good at keeping a tablesaw from spraying aluminum everywhere. I can't remember the name. I usually just take my saw outside for the big messes.
 
#192 ·
Rednaxs60 said:
Great work as always.

Here's a picture of the cam sensors on the back of the right side cylinder head. The cam shaft protrudes out the rear and the cam sensors are connected. Only using one cam sensor for the Speeduino. Using the dual wheel setup:

View attachment 330938 View attachment 330939

The magnets under the sensors are a bit of a mystery. The only sensors that require a magnet of such are Hall effect sensors. Lots of theories regarding this, but no definitive answer.
Click to expand...
Those are simple old school inductive sensors. Used long before solid state sensors became the norm. Really simple just a coil of wire, a magnet, and a moving hunk of iron.
 
#219 ·
Looking good.

There are a few safer blasting methods these days. One is soda blasting, does a good job and is water soluble so clean up is easy. The other is CO2 blasting using dry ice chips where the media just sublimates away. It leaves aluminum looking almost polished.

How about making some chamfered plugs, then a quick weld and sand, and it's like it was never there. Maybe even machine down the boss beforehand so it really disappears.
 
#256 ·
#262 ·
I don't know if you've posted pics of your oil pan yet, but it wouldn't hurt to add a little depth and capacity as you will have cornering forces throwing the oil about that the bike didn't have to deal with. (Apart from those strange folk that keep adding extra wheels to perfectly good motorcycles.)
 
#372 ·
Those axles look like they can take 50HP on a good day. 🤡
I bet this will be a fun little car when you're done. I'm sure the 1500 will carry its weight a lot lower than the Datsun.
 
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