Home  |  Forums  |  914 Info  |  Blogs
 
914World.com - The fastest growing online 914 community!
 
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG. This site is not affiliated with Porsche in any way.
Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners.
 

Welcome Guest ( Log In | Register )

> SPITTING CARB - 914-6 all stock, Need assistance - please see latest post to this thread
ctc911ctc
post Oct 9 2025, 07:43 AM
Post #1


Senior Member
***

Group: Members
Posts: 1,301
Joined: 9-June 18
From: boston
Member No.: 22,206
Region Association: North East States



1970 - 914-6 All stock

Got the car off the rack after a 1 year clean up documented here:

http://www.914world.com/bbs2/index.php?sho...3371&st=100

- tightened the lugs, check one more time for leaks.......

Car started first try, backed out of the driveway and went around the block

Drive strong.....very strong......

#2 cyl-carb is still 'spitting' definitely not backfiring. Chasing this through my trusty guide:

https://www.performanceoriented.com/special-procedures-1

See "notes" section

Seems that when I performed the Lean Best Idle procedure #2 failed during the procedure......the diagnosis within the document states that either the path in that carb #2 is blocked or the jet is the wrong size - my bet is a clog......though the carbs were very clean when I got the car.

There is a little noise from the right side, that in a 914-2L 4Cyl would be considered quiet, my hope is that it is not valve noise and may be exhaust leaking......did I tighten the heater manifold small nuts????? dry.gif

Carb advice sought from those that have chased a SPITTING Carb
User is offlineProfile CardPM
Go to the top of the page
+Quote Post
 
Reply to this topicStart new topic
Replies
930cabman
post Dec 14 2025, 10:16 AM
Post #2


Advanced Member
****

Group: Members
Posts: 4,487
Joined: 12-November 20
From: Buffalo
Member No.: 24,877
Region Association: North East States



Guess I'm lucky to have a 914/6 conversion and a 1975 911S converted to Webers. The 911S starts great, the 914/6 just as you describe. She's in the paint shop now, but will be rolling my sleeves up soon to get after the "hard start"
User is offlineProfile CardPM
Go to the top of the page
+Quote Post

Posts in this topic
ctc911ctc   SPITTING CARB - 914-6 all stock   Oct 9 2025, 07:43 AM
Superhawk996   Unclear on the question here? You need to resolv...   Oct 9 2025, 08:41 AM
ctc911ctc   Thank you for the reply SH, I was more or less lo...   Oct 9 2025, 09:34 AM
slivel   Thank you for the reply SH, I was more or less l...   Oct 9 2025, 10:07 AM
Superhawk996   Anytime carbs are apart it’s good standard pract...   Oct 9 2025, 09:57 AM
infraredcalvin   Goes without saying - make sure valves are adjust...   Oct 9 2025, 11:15 AM
ctc911ctc   This is the exact guidance I was looking for, than...   Oct 9 2025, 10:42 AM
ctc911ctc   Less than 1 hour of run time between now and this ...   Oct 9 2025, 11:19 AM
Superhawk996   Less than 1 hour of run time between now and this...   Oct 9 2025, 11:46 AM
ctc911ctc   Understood - good solid engineering exercise.........   Oct 9 2025, 12:49 PM
930cabman   weak/broken valve spring? or some other issue wi...   Oct 9 2025, 12:49 PM
ctc911ctc   UPDATE!!!!!!! Teener...   Dec 13 2025, 02:28 PM
Cairo94507   I remember the 6's I've had that still has...   Dec 13 2025, 03:41 PM
rgalla9146   I just started (6pm) my dead stock 6 after it sat...   Dec 13 2025, 06:47 PM
fixer34   I just started (6pm) my dead stock 6 after it sa...   Dec 14 2025, 07:58 AM
mate914   I just started (6pm) my dead stock 6 after it s...   Dec 14 2025, 08:05 AM
930cabman   Guess I'm lucky to have a 914/6 conversion and...   Dec 14 2025, 10:16 AM
brant   Measure the volume from the accelerator pump diagr...   Dec 14 2025, 10:36 AM
gereed75   Agree with everything here except one thing- the h...   Dec 14 2025, 11:18 AM
930cabman   Agree with everything here except one thing- the ...   Dec 14 2025, 04:35 PM
ctc911ctc   Thank you all teeners for the replies, here are so...   Dec 14 2025, 08:24 PM
930cabman   Idle passageways plugged? drill/grind away the lea...   Dec 15 2025, 02:00 PM
ctc911ctc   Idle passageways plugged? drill/grind away the le...   Dec 15 2025, 02:51 PM
930cabman   Idle passageways plugged? drill/grind away the l...   Dec 15 2025, 02:57 PM
Ninja   Not hard to flush the circuits but if the critter ...   Dec 15 2025, 03:06 PM
930cabman   Not hard to flush the circuits but if the critter...   Dec 16 2025, 05:53 PM
ctc911ctc   Great notes Ninja, comments added within Not h...   Dec 16 2025, 07:38 PM
Ninja   Just re-read thread. You're stock so the origi...   Dec 15 2025, 04:02 PM
Ninja   Double post gremlin got me again!   Dec 15 2025, 04:02 PM
ctc911ctc   Hi, I came back to this car after a few major tri...   Feb 14 2026, 11:41 AM
porschetub   Hi, I came back to this car after a few major tr...   Feb 14 2026, 11:25 PM
Superhawk996   here are the plugs – the 1,2,3 plugs look goo...   Feb 15 2026, 12:07 AM
Ninja   Clean plugs, check float levels, run again. If al...   Feb 14 2026, 02:01 PM


Reply to this topicStart new topic
6 User(s) are reading this topic (4 Guests and 0 Anonymous Users)
2 Members: morehills, oldie914

 



- Lo-Fi Version Time is now: 15th February 2026 - 06:54 AM
...