ive been searching for the past few weeks for this diagram i dont want to go up to an auto parts store and buy a book just for a good 2 hours of use and never look at again its my friends dads car he is paying us to fix the carburator and vacuum system the carburator is rebuilt and ive been looking around at the vacuum system and there are linse cracked and some that arent even there.

when you start the car the RPS jump like a bat outta hell. if you try to do the v8 tap the gas and itll go down trick it just sticks higher i thought it was the carb so i got a different one and it does the same thing if i hold the brakes down it didnt do it for a day but now it does it with the brakes held down

any kind of info would be greatly appreciated this is driving me nuts im about to tell him to drop a sr20 into it.

What's a "rwd vacuum"? On a Datsun 1200, the only one that can cause the RPMs to jump way up is the throttle opener on the carb. It's the big round thing on the top of the carb. Remove the hose and plug it.

If you don't have a Datsun 1200 engine, just go the library and view or checkout the book for the kind of car. You may need to drive to the regional library to find the right book. Nissan and Mitchell have vacuum diagrams, most other books do not.

Quote:Perhaps you could tell us which country you are in & what car you are working on. This will go a long way towards us being able to help you.

I'm guessing from the text that ddgonzal is right & you are in North America, but what model of car, & just what is a rwd vacuum? Beats me.

my guess would be rqd vacuum help, as in, help required with vacuum.

rwd=rear wheel drive

its an a15 i believe. its a nice little car when it doesnt to the crazy revvin thing its like the gas is stuck but both idle adjustment screws are out of it.

its a 1982(i believe)datsun 210

oh and im in lakeland fl, USA

Damn it. wasn't even close

I have a FSM for an 81 210 Which might have the diagram you need. Getting all those vacuum lines straightned out can be a PITA. I managed to get mine figured out, but it took a bunch or fiddling.

is te fsm on the computer or book? if its competer can you email me pics of the diagrams

jeff@speedandstylecustoms.com
if you can do this i would greatly appreciate it.