H4 vs. stock - real data - JeepForum.com

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post #1 of 48 Old 01-15-2006, 03:38 PM Thread Starter
Windsor
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H4 vs. stock - real data

I just installed some IPF housings with IPF FatBoy bulbs the other day. I previously had sealed beam Sylvania SilverStars installed. I believe they have the same light output as stock, except the light is a much cleaner white.

Anyway, the 'data' part of this post is that I used a light meter to compare light output of the lamps and also aftermarket wiring harness (suvlights.com) performance.

Here's what I found:
Sealed beam SilverStars = 4,000 candlepower
IPF H4 w/FatBoy = 16,000 candlepower
IPF H4 w/FatBoy and wiring harness = 22,000 candlepower

Overall, I am very very very happy with them. The beam pattern is terrific in low-beam and I love how the signs on the side of the road are now very visible. The high beams remind me of a spotlight. Very very nice...

Oman, if you read this (and I'm sure you will ), see if you can get access to a light meter and measure your HID's. I know they'll be brighter, but I'm just curious as to how much brighter.




2004 Wrangler Rocky Mountain Edition
BF Goodrich 31x10.50 Mud Terrain KM2
Rusty's 3" front springs and Skyjacker 2" rear spacers
Skyjacker Hydro 7000 shocks and steering stabilizer
JKS Quicker Disconnects
Tuffy glove box, full console
WARN D30 skid & Nth Degree Mobility oil pan skid
WARN front and rear Rock Crawler bumpers, winch plate and grill guard
WARN 9.5ti winch w/ Optima Blue Top D34M - X-Line rope & fairlead
KC Daylighter Slimlights on windshield
IPF H4 w/ FatBoy bulbs
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post #2 of 48 Old 01-15-2006, 04:14 PM
fireman483
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Quote:
Originally Posted by Windsor
I just installed some IPF housings with IPF FatBoy bulbs the other day. I previously had sealed beam Sylvania SilverStars installed. I believe they have the same light output as stock, except the light is a much cleaner white.

Anyway, the 'data' part of this post is that I used a light meter to compare light output of the lamps and also aftermarket wiring harness (suvlights.com) performance.

Here's what I found:
Sealed beam SilverStars = 4,000 candlepower
IPF H4 w/FatBoy = 16,000 candlepower
IPF H4 w/FatBoy and wiring harness = 22,000 candlepower

Overall, I am very very very happy with them. The beam pattern is terrific in low-beam and I love how the signs on the side of the road are now very visible. The high beams remind me of a spotlight. Very very nice...

Oman, if you read this (and I'm sure you will ), see if you can get access to a light meter and measure your HID's. I know they'll be brighter, but I'm just curious as to how much brighter.

Gotta love posts that contain facts and not just opinions...here's an "ATTABOY!"
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post #3 of 48 Old 01-15-2006, 04:38 PM
RckyMtnTJ
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Good information actually.

98 TJ with some stuff
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post #4 of 48 Old 01-15-2006, 04:45 PM
Hunter9
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Thats awesome to know.
I upgraded to H4s a couple months back and have been debating the need for a harness upgrade, now I have it.

97 Sport 4.0l Auto D30/D35
RE 3.5 SF, 1" BL, 1" MML, 285/75/16 (33") MTRs, 16x8 MT Classic Locks, 4.10 gears, Lockrite Front, Warn Front and Rear Bumper w/ Tire Carrier, Warn Diff Skids, Rock-it Man Rockers, Jeeperman Front Hoop, M8000, A to Z winch mount, Hella 500s, H4 Conversion


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post #5 of 48 Old 01-15-2006, 04:50 PM
Oman Jeep
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4,000 up to 22,000 - that's a significant jump lol...

Ok... where can I get access to a light meter and what's it going to cost me?

I've got some Xe7R's possibly coming out in the summer so it'll be interesting to compare both HID options.
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post #6 of 48 Old 01-15-2006, 04:54 PM
RubiconSS
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Wow. Cool, thanks for the info!! I thought I really liked my H4's w/Fatboys. Looks like I'll be looking for a wire harness upgrade

'05 Rubicon (to go) '01 CamaroSS(to go fast)
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post #7 of 48 Old 01-15-2006, 04:58 PM Thread Starter
Windsor
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Quote:
Originally Posted by Oman Jeep
4,000 up to 22,000 - that's a significant jump lol...

Ok... where can I get access to a light meter and what's it going to cost me?

I've got some Xe7R's possibly coming out in the summer so it'll be interesting to compare both HID options.
My dad has pro-level photography equipment and the light meter that I used was his. I'm not sure what they go for, but a photography supply should be able to help. I measured about 1" away from the lens of the headlight - close to the center and taking the largest reading that I got. The unit actually displays in lumens, but I converted to candlepower, since that would probably mean more to most folks here.

I almost picked up some Xe7R's as I had been waiting for them for quite some time. I emailed them and they replied with a great email, but told me how much modification is needed to the TJ bracket and metal. He said they're getting pics of a guy doing a Rubicon soon.

2004 Wrangler Rocky Mountain Edition
BF Goodrich 31x10.50 Mud Terrain KM2
Rusty's 3" front springs and Skyjacker 2" rear spacers
Skyjacker Hydro 7000 shocks and steering stabilizer
JKS Quicker Disconnects
Tuffy glove box, full console
WARN D30 skid & Nth Degree Mobility oil pan skid
WARN front and rear Rock Crawler bumpers, winch plate and grill guard
WARN 9.5ti winch w/ Optima Blue Top D34M - X-Line rope & fairlead
KC Daylighter Slimlights on windshield
IPF H4 w/ FatBoy bulbs
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post #8 of 48 Old 01-15-2006, 05:16 PM
Jerry Bransford
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Spill the beans on the IPF H4 Fatboys... what model #, how much $$$, and where did you buy them?

Is your email address up to date in your JF Profile?

Getting Savvy...


When you have a choice, buy American.
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post #9 of 48 Old 01-15-2006, 05:23 PM
NEWtoTHEjeepLIF
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Quote:
Originally Posted by Jerry Bransford
Spill the beans on the IPF H4 Fatboys... what model #, how much $$$, and where did you buy them?
I agree whats up with the price on your conversion?
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post #10 of 48 Old 01-15-2006, 05:41 PM
orangetj05
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i got mine from http://www.4by4connection.com/ they seem to have the best pricies. and good customer service. i paid just under 150 for them. and it was well worth the upgrade

2005 TJ 5.7 HEMI, Caged, Locked, Long armed, Stretched, Air shocked, Cromoed, Running 37 Irocks
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post #11 of 48 Old 01-15-2006, 05:54 PM Thread Starter
Windsor
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IPF FatBoys - $83 for the pair
http://www.quadratec.com/cgi-bin/sgi...06011519204236

IPF Housings - $35 each
http://www.quadratec.com/cgi-bin/sgi...06011519204236

Note that these are e-code lamps and not DOT approved officially. I've heard some states do allow them for inspection. Don't think of them as being something that is really an annoyance to other drivers. If they are aimed properly, they shouldn't be an issue. After all, this is the type of light used on the road in Europe.

2004 Wrangler Rocky Mountain Edition
BF Goodrich 31x10.50 Mud Terrain KM2
Rusty's 3" front springs and Skyjacker 2" rear spacers
Skyjacker Hydro 7000 shocks and steering stabilizer
JKS Quicker Disconnects
Tuffy glove box, full console
WARN D30 skid & Nth Degree Mobility oil pan skid
WARN front and rear Rock Crawler bumpers, winch plate and grill guard
WARN 9.5ti winch w/ Optima Blue Top D34M - X-Line rope & fairlead
KC Daylighter Slimlights on windshield
IPF H4 w/ FatBoy bulbs
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post #12 of 48 Old 01-15-2006, 06:07 PM
mcbuck
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Try rocky-road.com or dpgoffroad.com

I'll be ordering some this week from one or the other.

Not all pain is gain.
_____________________________________________
'03 TJ X, silver - 4.0 auto, 4" Skyjacker, 33's, KC's
Kenwood/Polk/Alpine

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post #13 of 48 Old 01-15-2006, 06:08 PM
BigWaylon
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glad to see some data on the harness...

I've been "promoting" that upgrade for years, in Dodge Trucks and now Jeeps...

I've seen data showing voltage gains, but that was the first light output numbers I've seen...

if you've got a minute, the missing measurement is the Silverstars with the harness...since there's no housing to worry about it, you could probably just unplug the H4 and plug it into the 6024ST without even mounting it...

first, see if you get a measurement around 4000 using the factory plug, then try the harness and see what you get...


Thanks.
Greg

2001 TJ 60th Anniversary Edition (details in Profile)
www.carolinarockshop.com
All the pics I have...including a Table of Contents
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post #14 of 48 Old 01-15-2006, 06:25 PM
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Was it a custom harness that you used or an off the shelf harness?
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post #15 of 48 Old 01-15-2006, 06:34 PM Thread Starter
Windsor
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Quote:
Originally Posted by Spartan302
Was it a custom harness that you used or an off the shelf harness?
Got it from suvlights.com

BigWaylon - Yeah, that'd be a great test. If I get the time this week I'll give it a shot. I'm curious to know myself. I did forget to mention that the light meter was just about pegged when checking the H4's with the harness. It is possible that the results are even higher.

2004 Wrangler Rocky Mountain Edition
BF Goodrich 31x10.50 Mud Terrain KM2
Rusty's 3" front springs and Skyjacker 2" rear spacers
Skyjacker Hydro 7000 shocks and steering stabilizer
JKS Quicker Disconnects
Tuffy glove box, full console
WARN D30 skid & Nth Degree Mobility oil pan skid
WARN front and rear Rock Crawler bumpers, winch plate and grill guard
WARN 9.5ti winch w/ Optima Blue Top D34M - X-Line rope & fairlead
KC Daylighter Slimlights on windshield
IPF H4 w/ FatBoy bulbs
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