Jump to content

Simon's 1972 Rt80 Corona


SimonM

Recommended Posts

hey mate my rt80 came out with the rare 8rb 1.9l a more powerful version of the 18r but the 18r is an easy engine to drop in with same mounts and a little more easy to get hold of.

the only real difference with the 8rb to the 18r is the the 18r is a 2L? they look the same don't they, apart from twin carbs etc
Link to comment
Share on other sites

Members dont see this ad
  • Replies 113
  • Created
  • Last Reply

Top Posters In This Topic

Got the Jellybeans for the corona today. Now I need to find some money for tyres.

post-18111-0-62007400-1363492477_thumb.jpg

 

Won't be doing any work on her for a week or so though because I shut my finger in a door today. 3 hours in the hospital, some stitches and some codeine later and I'm sitting at home infront of the computer feeling useless :sob:

post-18111-0-11794900-1363492494_thumb.png

Link to comment
Share on other sites

Just to give an idea of how disgusting this engine really is....

 

Valve train:

post-18111-0-26948600-1363512417_thumb.jpg

 

Inside the rocker cover

post-18111-0-15389900-1363512447_thumb.jpg

 

A bit hard to see, but the spring on the left is out of an 18RC, the one on the right is the original. Seems like the valve on the left is sitting about 1mm higher than the others, which is causing it to run really roughly.

post-18111-0-91222900-1363512468_thumb.jpg

Next time I have a day off uni, gonna go find a set of springs to replace the lot.

 

Any suggestions as to the best way to clean all the rusty cr@p off without pulling the head off?

Link to comment
Share on other sites

this engine is starting to piss me off more and more. Got a water pump from Sprints today, brought it home, took the old one off and THEN realised that the new one is wrong :/ the new one is 'snub-nosed' so needs a smaller pulley. Gonna take it back tomorrow and see if they have the right one. Lots of fun.

Also worked out why the 18R springs don't work. They have the same number of coils but have more resistance and are a few mm shorter. Which explains why the valve isn't closing all the way.

Link to comment
Share on other sites

New water pump and thermostat housing.

Painted pulley red just for a bit of fun. It'll go faster now!

 

Before:

post-18111-0-78286900-1363860142_thumb.png

 

After:

post-18111-0-39790900-1363860166_thumb.jpg

 

Radiator has been sanded and painted. Still drying.

 

def no more work til next week, because I cut the tip of my thumb off while cleaning the rocker cover. Another trip to hospital :bash:

post-18111-0-89296700-1363860185_thumb.jpg

Link to comment
Share on other sites

Ouch man! And nah the 8r had a different combustion chamber, different head and valves its got a fair bit more power over the 2 L to start with then add some sweet webbers and you got yourself a pony hahaha just gotta modify the manifold it's designed ʞ©$ɟen stupid, balance pipes n all! Gay so I did the best I could and got more than enough power for a daily banger! Haven't met an n/a 2 liter on carbs that'll come near! I got eaten by a gemi with a 2.4 rodeo motor hahaha but yeah he pulled over to tell me that I was quick hahaha

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...

×
×
  • Create New...