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  Topic: Weak spark problem - likely cause?
924RACR

Replies: 9
Views: 1189

PostForum: General Discussions   Posted: Sat Dec 08, 2018 8:59 am   Subject: Weak spark problem - likely cause?
I don't have a photo, but here's it without the heat sink:
https://www.ebay.com/itm/151747513189?lpid=82&chn=ps&ul_noapp=true

That's an early one up to 79 I think. It sits on the fire wall ...
  Topic: Weak spark problem - likely cause?
924RACR

Replies: 9
Views: 1189

PostForum: General Discussions   Posted: Fri Dec 07, 2018 1:18 am   Subject: Weak spark problem - likely cause?
I don't have a photo, but here's it without the heat sink:
https://www.ebay.com/itm/151747513189?lpid=82&chn=ps&ul_noapp=true
  Topic: Weak spark problem - likely cause?
924RACR

Replies: 9
Views: 1189

PostForum: General Discussions   Posted: Thu Dec 06, 2018 1:36 am   Subject: Weak spark problem - likely cause?
I eventually broke down and swapped out my ignition box... not sure if your car uses the same part, mine (82 931 US-spec) is part # 191 905 351 A Ignition Switch Unit.

BUT

It MUST be installed o ...
  Topic: hard start '79 924 na
924RACR

Replies: 13
Views: 912

PostForum: General Discussions   Posted: Wed Nov 21, 2018 12:19 am   Subject: hard start '79 924 na
Yay, great news!!
  Topic: ANYONE DOING ANYTHING EXCITING ON THEIR CAR ?
924RACR

Replies: 2075
Views: 830019

PostForum: General Discussions   Posted: Wed Nov 14, 2018 1:32 am   Subject: Tech Day
Had a nice Other Nines (everything BUT 911s) at Munk's Motors the other day... especially nice as not only did we get Karl's 931 up on the hoist for a full going-over/inspection, but in fact had 5 924 ...
  Topic: 931 engine rebuild kit
924RACR

Replies: 2
Views: 856

PostForum: 931 Tech.   Posted: Wed Oct 31, 2018 10:35 pm   Subject: 931 engine rebuild kit
Excellent, good to hear; I saw a couple of parts on their website, but not a full kit, wasn't sure.

Keep in mind you may yet find you need pistons as well; excessive boost has been known to crack r ...
  Topic: Turbo bypass valve
924RACR

Replies: 3
Views: 898

PostForum: 931 Tech.   Posted: Fri Oct 26, 2018 10:46 pm   Subject: Turbo bypass valve
Per the parts manual, the piston looks to be installed with the flat face opposite the inlet elbow (boost sensing line from intake), or facing the RHS of the car... and the spring on the LHS of the ca ...
  Topic: Any custom exhausts available for 931?
924RACR

Replies: 19
Views: 2520

PostForum: 931 Tech.   Posted: Thu Oct 25, 2018 1:34 am   Subject: Any custom exhausts available for 931?
Oooh. I'd be concerned about using lightweight/thin wall on a turbo exhaust, especially right at the turbo. I assume you're not going with inconel?

I'd probably want to use the heaviest gauge av ...
  Topic: Any custom exhausts available for 931?
924RACR

Replies: 19
Views: 2520

PostForum: 931 Tech.   Posted: Thu Oct 25, 2018 12:14 am   Subject: Any custom exhausts available for 931?
Very nice, Mike... how many of those flanges you planning on making?? I'd be in for one...

Was just under my Turbo last night, changing the oil, looking for an option... the only other thing I thin ...
  Topic: 924 016/Y VA VB first gear synchro, 1/2/3 gear dog available
924RACR

Replies: 3
Views: 1060

PostForum: General Discussions   Posted: Wed Oct 17, 2018 10:34 pm   Subject: 924 016/Y VA VB first gear synchro, 1/2/3 gear dog available
Awesome, nice job!!
  Topic: Any custom exhausts available for 931?
924RACR

Replies: 19
Views: 2520

PostForum: 931 Tech.   Posted: Thu Oct 11, 2018 10:56 pm   Subject: Any custom exhausts available for 931?
Excellent detail, thanks Carrera!! I aim to do something similar myself to mine someday...

Question for you regarding the wastegate - you said you ran a "screamer pipe" on it, what do yo ...
  Topic: Weak spark problem - likely cause?
924RACR

Replies: 9
Views: 1189

PostForum: General Discussions   Posted: Wed Oct 10, 2018 4:11 am   Subject: Weak spark problem - likely cause?
Well... if it will bump-start easily, seems as if the starter is drawing down the voltage enough that the ignition box won't work, right? Had a bit of that with my Turbo this summer. Can be impacted b ...
  Topic: NACA Duct measurement request
924RACR

Replies: 14
Views: 1598

PostForum: 931 Tech.   Posted: Sun Oct 07, 2018 11:21 pm   Subject: NACA Duct measurement request
Agreed, ABS plastic NACA ducts can be cheaper; Pegasus is one of the more expensive places to buy. Try Hoerr Racing Products (HRPworld.com) or Summit or JEGS:
https://www.hrpworld.com/shop-by-categor ...
  Topic: NACA Duct measurement request
924RACR

Replies: 14
Views: 1598

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 8:11 am   Subject: NACA Duct measurement request
length 15", width 7", depth 1.5"... add maybe 1/2" all around for the "outside" dimensions for grafting on the hood. Maybe not super-precise, but should give you some ide ...
  Topic: NACA Duct measurement request
924RACR

Replies: 14
Views: 1598

PostForum: 931 Tech.   Posted: Fri Oct 05, 2018 4:23 am   Subject: NACA Duct measurement request
Can check mine when I get home, if no-one beats me to it...
 
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