 On the road & getting pops |
|
|
|
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. |
|
|
  |
| Radmacdaddy |
 Oct 8 2011, 01:35 PM
Post
#1
|
|
Member  Group: Members Posts: 83 Joined: 28-September 11 From: United States Member No.: 13,617 Region Association: None  |
I rebuilt one head. A valve seat was totally gone. Had another head, put it in, running nicely.
But now getting little power sucking coughs like little backfires. Had a leaky exhaust, but fixed it. Still dome coughs when I throttle. Thoughts? |
   |
 
|
| '73-914kid |
Oct 8 2011, 02:05 PM
Post
#2
|
|
Senior Member Group: Members Posts: 1,473 Joined: 1-November 08 From: Vista, CA Member No.: 9,714 Region Association: Southern California  |
Valves are set correctly?
|
|
|
|
| Radmacdaddy |
Oct 8 2011, 02:25 PM
Post
#3
|
|
Member Group: Members Posts: 83 Joined: 28-September 11 From: United States Member No.: 13,617 Region Association: None |
I set them yest to spec. Had a tough time getting tdc. But am pretty sure I got that. I have been thinking they may have slipped. Like I didn't go tight enough. ?
What'll happen if they are off & I'm driving? |
|
|
|
| 914Mels |
Oct 8 2011, 09:31 PM
Post
#4
|
|
Member Group: Members Posts: 357 Joined: 20-June 11 From: Santee Member No.: 13,221 Region Association: Southern California |
If it's popping on accel, you are probably getting a lean misfire.
|
|
|
|
| Radmacdaddy |
Oct 9 2011, 06:39 AM
Post
#5
|
|
Member Group: Members Posts: 83 Joined: 28-September 11 From: United States Member No.: 13,617 Region Association: None |
Turned out a stud holding one of the rocker arms had broken! Also I had adjusted for basic not hydraulic lifts. Thanks to Dougs Bugs & Bunnies in Phoenix for this help. Thy let me use their parking lot to work and helped tons on a satuday afternoon
Now onto the bigger issue at the moment. I'm stuck in another parking lot with one cylinder of. Can't get the cylinder back on over the rings, they won't compress enough. Starting a new thread. N |
|
|
|
|
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:
|
Lo-Fi Version | Time is now: 16th May 2024 - 03:54 AM |
Invision Power Board
v9.1.4 © 2024 IPS, Inc.