Pelican Parts
Parts Catalog Accessories Catalog How To Articles Tech Forums
Call Pelican Parts at 888-280-7799
Shopping Cart Cart | Project List | Order Status | Help



Go Back   Pelican Parts Technical BBS > 1- Porsche Technical Forums > Porsche 911 Technical Forum

Reply
 
LinkBack Thread Tools Rate Thread
Author
Thread Post New Thread    Reply
wcc wcc is offline
Registered User
 
wcc's Avatar
 
Join Date: Aug 2005
Location: Michigan
Posts: 3,334
'87 Headlight questions

First off, they are factory and I believe they are the H5 headlights, so please correct me if I'm wrong.

My question is can I put a higher wattage bulb in? I was thinking the 80/100 watt bulb, what size bulb would you guys recommend? Would I need a relay for that or just plug it in?

__________________
Bill
Old 12-07-2005, 08:43 AM
  Pelican Parts Technical Article Directory    Reply With Quote #1 (permalink)
GFCC
 
Jeff's Avatar
 
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
You should put a relay in for that high of a wattage. Do a search on Surco (?) relay kit.
__________________
Jeff

1976 911 Coupe w/ Euro 3.0 - Sold
1987 Carrera Coupe - Sold
1999 Carrera Cabriolet - Current
Old 12-07-2005, 08:49 AM
  Pelican Parts Technical Article Directory    Reply With Quote #2 (permalink)
Registered User
 
Seeeu911's Avatar
 
Join Date: Dec 2000
Location: Orlando fl usa
Posts: 440
Garage
Yes what C U L8R said. Marcus Sucro relay kit
Here is a thread with good info in it to get you started.
H5 Headlight refresh (before & after pics)
__________________
"And there's no cure like travel
to help you unravel
the worries of living today.
when the poor brain is cracking
there's nothing like packing
a suitcase ..(or getting in the Porsche) and sailing away " Cole Porter, anything Goes"
Old 12-07-2005, 08:52 AM
  Pelican Parts Technical Article Directory    Reply With Quote #3 (permalink)
GFCC
 
Jeff's Avatar
 
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
Here is something else to look into. I did it and it made a big difference...

H5 Headlight refresh (before & after pics)

Also it is spelled Sucro. My mistake.
__________________
Jeff

1976 911 Coupe w/ Euro 3.0 - Sold
1987 Carrera Coupe - Sold
1999 Carrera Cabriolet - Current
Old 12-07-2005, 08:53 AM
  Pelican Parts Technical Article Directory    Reply With Quote #4 (permalink)
GFCC
 
Jeff's Avatar
 
Join Date: Apr 2002
Location: Phoenix, AZ
Posts: 1,785
I..... type....... tooo....... slow.
__________________
Jeff

1976 911 Coupe w/ Euro 3.0 - Sold
1987 Carrera Coupe - Sold
1999 Carrera Cabriolet - Current
Old 12-07-2005, 08:54 AM
  Pelican Parts Technical Article Directory    Reply With Quote #5 (permalink)
wcc wcc is offline
Registered User
 
wcc's Avatar
 
Join Date: Aug 2005
Location: Michigan
Posts: 3,334
Yeah, mine are foggy like that too. I was going to clean them out somehow and with that link I know how I'm going to do it. But I have a light that is burned out so I was going to upgrade the bulbs while I'm in there to 80/100w. I'll order up that relay too.

Thanks!!!!
__________________
Bill
Old 12-07-2005, 09:01 AM
  Pelican Parts Technical Article Directory    Reply With Quote #6 (permalink)
 
Now Available for Ordering:   101 Projects For Your BMW 3 Series 1982-2000  [more info]
Registered User
 
Join Date: Aug 2002
Location: Orchard Park, NY
Posts: 10,522
Factoid...even with the stock set up...you "need" a relay...even though Porsche (thoughtfully) didn't provide one.

The ENTIRE headlight amperage / voltage goes through the little dinky headlight stalk switch in the steering column. Burns up quickly. Going to higher wattage ( 80 vs 60) just makes the problem 8/6 bigger. Even at 55 or 60 watts stock value....a relay will cut this load down by a FACTOR of 100X or so.... a BIG difference on what the switch then "sees".

H5's have the aiming "teets" on the front glass...you're pic clearly shows these. H4's don't have these.

H5's have a terrible beam pattern. Going 80W gives you "more light" with a terrible beam pattern.

Wil
__________________
Wil Ferch
85 Carrera ( gone, but not forgotten )

Last edited by Wil Ferch; 12-07-2005 at 09:59 AM..
Old 12-07-2005, 09:53 AM
  Pelican Parts Technical Article Directory    Reply With Quote #7 (permalink)
wcc wcc is offline
Registered User
 
wcc's Avatar
 
Join Date: Aug 2005
Location: Michigan
Posts: 3,334
I ordered up a relay just now. So that was easy enough. I've installed one before when I upgraded my '85 to H4s.

Wil,
What would you recommend? Change to the H4s? I don't do a lot of night driving with this car. The '85 gets a lot more night driving time. But last time I drove it at night I couldn't even tell if the lights were on until I was behind someone. I would like to see where I'm going when I do have it out after dark.
__________________
Bill
Old 12-07-2005, 10:13 AM
  Pelican Parts Technical Article Directory    Reply With Quote #8 (permalink)
Registered User
 
Join Date: Apr 2005
Location: Tulsa, OK
Posts: 15,379
Bill;

You're going to be better off by swapping out your existing lights for a set of Euro H4's. H1's are better, but not that much better, especially if you don't drive much at night. Trying to upgrade the bulbs in a light with a bad reflector/lens design is a waste of money. Been there, learned my lesson, won't do it again.

JR
Old 12-07-2005, 11:04 AM
  Pelican Parts Technical Article Directory    Reply With Quote #9 (permalink)
Registered User
 
Join Date: Aug 2002
Location: Orchard Park, NY
Posts: 10,522
It's your call...let's look at it this way:
1.) you seemingly will do the relays anyway...good call...
2.) you can always try a higher wattage H5 bulb...and see where it brings you. Small cost. Will still have the relays...good.
3.) I like the H4's. Good light and beam pattern..even with the stock 55/60 W bulbs. Conversion from H5 will require a plug change..a small bit of extra work so be prepared.

For the small amount of night driving you'll do...get the relays ( at least)..and try the biggie watt H5's... go from there.

Wil
__________________
Wil Ferch
85 Carrera ( gone, but not forgotten )
Old 12-07-2005, 11:09 AM
  Pelican Parts Technical Article Directory    Reply With Quote #10 (permalink)
wcc wcc is offline
Registered User
 
wcc's Avatar
 
Join Date: Aug 2005
Location: Michigan
Posts: 3,334
I'm going to hook up the relay, clean the lenses, and try the 80/100w for the H5 since I don't drive this car that much at night. I'll try that for a while and if I'm not happy with it then I'll look into the H4 conversion.

Thanks a lot everyone for all the great info!!
__________________
Bill
Old 12-07-2005, 11:19 AM
  Pelican Parts Technical Article Directory    Reply With Quote #11 (permalink)
Registered User
 
Join Date: Jun 2001
Location: Northern CA
Posts: 415
Meltdown

The H5s have plastic "guts"(bulb holder, reflector, etc.). An 80 watt bulb will generate too much heat and will eventually cause a meltdown. YMMV, but I doubt it.
__________________
Mark
'88 Carrera GPW Sunroof Coupe
'82 SC Targa (RIP)
Old 12-07-2005, 11:26 AM
  Pelican Parts Technical Article Directory    Reply With Quote #12 (permalink)
wcc wcc is offline
Registered User
 
wcc's Avatar
 
Join Date: Aug 2005
Location: Michigan
Posts: 3,334
That's scary....

Has anyone actually had one melt down?
__________________
Bill
Old 12-07-2005, 11:44 AM
  Pelican Parts Technical Article Directory    Reply With Quote #13 (permalink)
Registered User
 
Join Date: Jun 2001
Location: Northern CA
Posts: 415
I have....

...and with a 55W bulb only. Granted there may have been other factors at play, but after a 10 minute drive with high beams on (55 W) one headlight quit working. Upon disassembly, the base of the bulb was fused to the bulb holder. This sounds fairly commonplace, but possibly not.

In my case, since the whole assembly needed replacing and an H5 is roughly equal in cost to an H4 (all metal, superior optics, etc.), it was a no brainer.

You might have a better experience than I did, but now that I'm running 80/100 watt bulbs in my newish H4s, I really don't think the H5s will stand up to that much heat.

Good luck.
__________________
Mark
'88 Carrera GPW Sunroof Coupe
'82 SC Targa (RIP)
Old 12-07-2005, 12:13 PM
  Pelican Parts Technical Article Directory    Reply With Quote #14 (permalink)
Registered User
 
Join Date: Feb 2000
Location: Monroe, Louisiana
Posts: 1,207
I've got an 89, I did the clean the cloudy thing... worked OK...
Now this thread has me thinking (scary, I know) I need to upgrade
to the H-4's ( I have stock H-5's) I have searched here and on
Rennlist and I cannot find a difinative answer to the question
of just what do I need for a swap over from stock H-5's
to the Bosch Euro H-4's ?
I want to do the relays, Do I need a different bulb connector ?
what about the ring ? primered ? does it fit or get the black ring ?
lamp ?? what comes with the kit ? will the stock H-4 bulb be
better than the stock H-5 bulb ? or is the big improvement
going with the 80/100w bulb?
Has anyone done this that can give a list of just what is needed
to fully convert over ?
That would be very helpful.
Thanks,
CHuck
Old 12-07-2005, 12:36 PM
  Pelican Parts Technical Article Directory    Reply With Quote #15 (permalink)
Registered User
 
Join Date: Aug 2002
Location: Orchard Park, NY
Posts: 10,522
chuckr:
break the problem down into "bits":
- do the relay...works for all scenarios... and works for all subsequent headlight changes...if any.
- H4 conversion from H5 will require a plug change... do a search for RoninLB...also see Daniel Sterns' lighting web page for guidance.
- not sure about the headlight rings... think they are the same between H4 and H5.
- big improvement just using the stock 55/60W H4 bulbs. Go bigger only if you convert to H4 and find the stock amp size not sufficient.

- Wil
__________________
Wil Ferch
85 Carrera ( gone, but not forgotten )
Old 12-07-2005, 12:48 PM
  Pelican Parts Technical Article Directory    Reply With Quote #16 (permalink)
Registered User
 
Join Date: Jun 2001
Location: Northern CA
Posts: 415
H5 trim rings will not work with H4s. You must either go with the paintable black trim rings or the chrome ones. Honestly the H4 trim rings don't fit as well as the H5s did, but one must make do.

Given the amount of current flowing to uprated bulbs, to add to Wil's list, I would consider circuit breakers and even a heavier gauge wire than stock. I went with 10 ga. for the whole install.

Use the search feature, there's tons of documentation on this. It was a very satisfying upgrade for me. Not hard, just time consuming.

Edit: There a great write-up by KTL in this thread which inspired me to follow suit.
__________________
Mark
'88 Carrera GPW Sunroof Coupe
'82 SC Targa (RIP)

Last edited by MAS956; 12-07-2005 at 01:09 PM..
Old 12-07-2005, 12:58 PM
  Pelican Parts Technical Article Directory    Reply With Quote #17 (permalink)
Registered User
 
Seeeu911's Avatar
 
Join Date: Dec 2000
Location: Orlando fl usa
Posts: 440
Garage
I have been running the cleaned and upgraded H5 on my 87 P car for 60 days or so with Relay kit and 80/100 with 2-3 hours each night and NO problems.

Before I knew of the Sucro kit I also ran 80/100 in 3 other 911's over the past 10 years and one car I had to replace the headlight stalk.

I find the H5 upgrades very very light effective, cost effective, correct look for the car and not as fashion dictated as the H4's.
__________________
"And there's no cure like travel
to help you unravel
the worries of living today.
when the poor brain is cracking
there's nothing like packing
a suitcase ..(or getting in the Porsche) and sailing away " Cole Porter, anything Goes"
Old 12-07-2005, 04:39 PM
  Pelican Parts Technical Article Directory    Reply With Quote #18 (permalink)
Registered User
 
Join Date: Aug 2002
Location: Orchard Park, NY
Posts: 10,522
I don't see how the (very similar looking) H4's are a "fashion statement" whereas the H5's are not....what is it that your're saying ???


Wil
__________________
Wil Ferch
85 Carrera ( gone, but not forgotten )
Old 12-07-2005, 06:33 PM
  Pelican Parts Technical Article Directory    Reply With Quote #19 (permalink)
Registered User
 
Join Date: Jun 2001
Location: Northern CA
Posts: 415
Wil,

I'm not sure which side of this thing you're on, but let's keep this to function over form. The difference between the two is, well, night and day. The H5 aficianados can continue to delude themselves 'til the cows come home (I can only hope they can see them).

I have seen the light....
__________________
Mark
'88 Carrera GPW Sunroof Coupe
'82 SC Targa (RIP)
Old 12-07-2005, 08:17 PM
  Pelican Parts Technical Article Directory    Reply With Quote #20 (permalink)
Reply

Thread Tools
Rate This Thread
Rate This Thread:

 


All times are GMT -8. The time now is 01:53 AM.


 
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0
Copyright 2016 Pelican Parts - Posts may be archived for display on the Pelican Parts Website -    DMCA Registered Agent Contact Page
 

DTO Garage Plus vBulletin Plugins by Drive Thru Online, Inc.