Notices
928 Forum 1978-1995
Sponsored by:
Sponsored by: 928 Specialists

Injectors came ALIVE

Thread Tools
 
Search this Thread
 
Old Dec 17, 2007 | 03:22 AM
  #1  
Landseer's Avatar
Landseer
Thread Starter
Race Director
15 Year Member
 
Joined: Sep 2007
Posts: 12,162
Likes: 383
From: Johnson City, TN
Default Injectors came ALIVE

The difference between the dead and alive attempts to start car:

Cleaned battery ground strap + cleaned terminals on three sensors near the thermostat.

"Here's-to" 928 Rennlisters who have posted electrical troubleshooting tips, plus snippets of WSM, here over time. Thanks.


I also discovered a timing mistake. Looks like I may have installed my distributor on the wrong tooth. It has to be rotated CC to the end of its travel just to get the car chugging enough to register on the tach. Am assuming its a tooth or two off. (yes, I marked it at removal, but the car was not at TDC because I used a wrong set of gear mark highlights painted on the original cam gears -- didn't know to look to the back of the gear for the notches when I started this journey 10 weeks ago)

Should I align the center of the rotor dead-on with #1 position on cap (when at TDC)? Or the leading edge?

Anyway, at least partial victory for now!

Last edited by Landseer; Dec 17, 2007 at 04:17 AM.
Reply
Old Dec 17, 2007 | 11:35 AM
  #2  
Mrmerlin's Avatar
Mrmerlin
Team Owner
20 Year Member
 
Joined: May 2004
Posts: 31,233
Likes: 4,220
From: Philly PA
Default

The rotor leading edge should line up with the hash mark in the distributor body when the engine is at TDC for#1 ,,Of course you need a timing light to correctly time the engine once you get it running. Check the spark plug wire routing after noting the direction of distributor rotation
Reply
Old Dec 18, 2007 | 06:04 AM
  #3  
Landseer's Avatar
Landseer
Thread Starter
Race Director
15 Year Member
 
Joined: Sep 2007
Posts: 12,162
Likes: 383
From: Johnson City, TN
Default

Got it. One tooth off. Rotor NOW aligned on marks. Distrib has small notch at throat (down low) that corresponds to a tick mark that is covered up by cap.

Wires routed correctly.

Found another stupid mistake. Right cam gear flipped, notch out instead of in. No timing effect, but wrong tracking on that gear.

When clock tics 6:30 am here we should have baaaawahhhhhh. Earlier might cause mutiny. It is tempting though. Like waiting for Santa now. Do I sound 48?
Reply
Old Dec 18, 2007 | 08:14 AM
  #4  
Landseer's Avatar
Landseer
Thread Starter
Race Director
15 Year Member
 
Joined: Sep 2007
Posts: 12,162
Likes: 383
From: Johnson City, TN
Default

Well, first the good news! Got to hear it run. What a great sound, even at idle and with blips of the throttle. Turned the car around in driveway, put it nose first into garage. Running rich (gas smell in exhaust) also white exhaust (its 22 deg F here, but I started it in the warm garage and the white exhaust was very thick.

Couldn't start it without jumping fuel relay.

Also, had to hold-open the air gate. Why? Shouldn't it acutate? Same happened before, had to hold it open. Tach worked, but coolant light came on and stayed on. Car ran for two minutes or so before I shut it down. Radiator hose cold, never opened new tstat, block hardly got warm let alone hot, felt it all over cam towers.

Now the bad news. Checked oil (8 quarts new oil ) and found some creaminess and bubbles. Checked a few more times for posterity.

Drained radiator (need to go to work, don't have time to drain block).

Should I run a compression check now? Or just pull it all and attack head gaskets. Car boiled over near my house when WP failed 10 weeks ago when we brought it home. Guess it got too hot. Am frustrated, but not giving up.
Reply
Old Dec 18, 2007 | 08:47 AM
  #5  
Lizard928's Avatar
Lizard928
Nordschleife Master
20 Year Member
 
Joined: Apr 2003
Posts: 9,601
Likes: 39
From: Abbotsford B.C.
Default

sounds like you have a dead hg, though you may get luck and just change the fluid and give it another try.

Choice is yours, but what is a the cost of a few litres of oil to confirm, compaired to pulling everything and replacing the gaskets.
Reply




All times are GMT -3. The time now is 12:13 AM.

story-0
9 Vehicles Porsche Helped Engineer that Aren't Porsches

Slideshow: Long before engineering consulting became trendy, Porsche was quietly helping other automakers build everything from supercars to economy hatchbacks.

By Verdad Gallardo | 2026-05-15 12:44:44


VIEW MORE
story-1
9 Features and Characteristics That Only Porsche People Understand

Slideshow: Some brands build cars. Porsche builds traditions, obsessions, and a few habits that stopped making sense decades ago but somehow became part of the charm.

By Verdad Gallardo | 2026-05-13 18:46:13


VIEW MORE
story-2
I've Written 500 Rennlist Articles: Here's How Porsche Has Changed Along the Way

Slideshow: Six years and 500 Rennlist articles later, these are the biggest changes at Porsche.

By Joe Kucinski | 2026-05-11 09:52:55


VIEW MORE
story-3
10 Most Unnecessary Porsches Ever Built (And Why We Love Them)

Slideshow: Some Porsches exist for very specific reasons-others feel like they were built just to see if anyone would notice.

By Verdad Gallardo | 2026-05-06 18:00:32


VIEW MORE
story-4
Porsche 911 GT3 S/C vs 718 Spyder RS: 10 Categories, One Winner

Slideshow: Choosing between the 911 GT3 S/C and 718 Spyder RS in 10 key categories to determine one surprising winner.

By Joe Kucinski | 2026-05-05 12:51:46


VIEW MORE
story-5
This Builder Is Turning Heads With Its Slantnose 911 Creation

Slideshow: A small Polish tuner has reimagined the Porsche 911 Slantnose for the modern era, blending 1980s nostalgia with widebody tuning culture and serious performance upgrades.

By Verdad Gallardo | 2026-05-01 10:49:43


VIEW MORE
story-6
Porsche 911 GT3 Artisan Edition Pays Homage to Japanese Culture

Slideshow: Porsche has created a Japan-only 911 GT3 Artisan Edition that blends track-ready hardware with design cues inspired by traditional Japanese craftsmanship.

By Verdad Gallardo | 2026-04-28 19:37:40


VIEW MORE
story-7
Porsche Reveals Coupe Variant of the Electric Cayenne With a Fresh Look

Slideshow: Porsche's latest electric Cayenne Coupe blends dramatic styling with supercar acceleration, turning the brand's midsize SUV into a 1,139-horsepower flagship.

By Verdad Gallardo | 2026-04-27 19:39:30


VIEW MORE
story-8
10 Porsche Colors That Have More Personality Than Most People

Slideshow: Porsche's wildest paint colors aren't just shades-they're full-blown personalities on four wheels.

By Verdad Gallardo | 2026-04-27 19:38:13


VIEW MORE
story-9
Guntherwerks' Final Speedster Creation Is the Ultimate Porsche Restomod

Slideshow: The last of the Speedsters doesn't just close a chapter, it makes quite the bold, air-cooled statement.

By Verdad Gallardo | 2026-04-22 17:55:04


VIEW MORE