My 5 lug Boxster swap |
|
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. |
|
My 5 lug Boxster swap |
twistedstang |
Apr 17 2019, 06:22 AM
Post
#1
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
Figured I would share a few pics of my 5 lug swap on my 75. I used 3.5 spaced 911 struts and Boxster calipers all around using the Rebel Racing kit. Wheels are 16x6 and 16X7 fuchs with 195/55/16s on all 4. I originally had 911 wheels all the way around but the rears had a slight interference with the calipers. Rather than use spacers I switched to 951 rears and the fit is great. |
twistedstang |
Apr 17 2019, 06:25 AM
Post
#2
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
Currently still has the stock master cylinder. pedal definitely has some drop but get firm. I have a 19mm I'm going to swap, but wanna give it a try first. |
JOEPROPER |
Apr 17 2019, 06:25 AM
Post
#3
|
The answer is "no" unless you ask... Group: Members Posts: 1,184 Joined: 21-November 15 From: White Plains New York Member No.: 19,387 Region Association: North East States |
Looks great. Do you have pictures of the struts with spacers?
|
twistedstang |
Apr 17 2019, 06:28 AM
Post
#4
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
|
twistedstang |
Apr 17 2019, 06:35 AM
Post
#5
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
..
|
JOEPROPER |
Apr 17 2019, 06:41 AM
Post
#6
|
The answer is "no" unless you ask... Group: Members Posts: 1,184 Joined: 21-November 15 From: White Plains New York Member No.: 19,387 Region Association: North East States |
Do you have pics of the 911 struts with the wheels off?
|
twistedstang |
Apr 17 2019, 06:44 AM
Post
#7
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
|
twistedstang |
Apr 17 2019, 06:48 AM
Post
#8
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
I had to stretch the quarters about 3/4" to fit the 7s. not the most conventional method, but it worked. I hammered the lips up and then used soft books on the wheels and jacked the wheel up into the wheelwell. Took several tries adding books and moving them front to back, but I got what I needed without scarring up the quarters.
|
twistedstang |
Apr 17 2019, 06:53 AM
Post
#9
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
|
defianty |
Apr 17 2019, 07:13 AM
Post
#10
|
Senior Member Group: Members Posts: 659 Joined: 9-August 06 From: Essex, UK Member No.: 6,621 Region Association: None |
Nice job, I want to make this conversion myself next winter. Just need to start collecting the parts. Was it a fairly simple swap over with the correct parts?
|
twistedstang |
Apr 17 2019, 07:47 AM
Post
#11
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
Nice job, I want to make this conversion myself next winter. Just need to start collecting the parts. Was it a fairly simple swap over with the correct parts? It was a piece of cake. Hardest part was removing and replacing the rear bearings with the trailing arms still on the car. They are a tight fit! |
Chi-town |
Apr 17 2019, 09:31 AM
Post
#12
|
Senior Member Group: Members Posts: 850 Joined: 31-August 18 From: Disneyland Member No.: 22,446 Region Association: Southern California |
|
JOEPROPER |
Apr 17 2019, 10:16 AM
Post
#13
|
The answer is "no" unless you ask... Group: Members Posts: 1,184 Joined: 21-November 15 From: White Plains New York Member No.: 19,387 Region Association: North East States |
I had to stretch the quarters about 3/4" to fit the 7s. not the most conventional method, but it worked. I hammered the lips up and then used soft books on the wheels and jacked the wheel up into the wheelwell. Took several tries adding books and moving them front to back, but I got what I needed without scarring up the quarters. Nice job. I've never seen anyone do it with books, but I did it with a fender roller. Did you heat the paint? |
Retroracer |
Apr 17 2019, 11:48 AM
Post
#14
|
Senior Member Group: Members Posts: 609 Joined: 7-July 13 From: Bend OR Member No.: 16,100 Region Association: Pacific Northwest |
Justin - nice job, the car looks great!
Just FYI: there is a subtle thing with Boxster calipers on 911 or 914-6 struts. Because the 911 strut places the caliper ahead of the wheel (and the Boxster has it behind), you end up fitting the FR caliper to the FL strut and vice versa. This works fine, but it does mean the offset piston sizes in the caliper are now reversed, with respect to rotor direction. Why the offset piston sizes? Complicated, but the Fred Puhn braking book talks to the issue. There may be better explanations out there. You can easily fix this by inverting the link pipe and bleeders between the two calipers, then swapping the sides. Which you really don't want to do right now, as you've just bolted them to the car and bled the brakes...! The big question is: does this really make a difference? I have no real evidence to prove it one way or the other. I can imagine it makes a difference to pad wear long term - but do we care? Either way, I have the same front strut / caliper set up and my car, and very happy with the results. Again, car looks much better!! - Tony |
mmascari |
Apr 17 2019, 06:14 PM
Post
#15
|
Member Group: Members Posts: 321 Joined: 1-September 14 From: Concord, CA Member No.: 17,850 Region Association: None |
Did you have to use spacers so the wheels didn't rub on the caliper? I have the same conversion and the 7" Euromeister wheel rubbed the caliper on the inside.
|
twistedstang |
Apr 18 2019, 05:10 AM
Post
#16
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
Did you have to use spacers so the wheels didn't rub on the caliper? I have the same conversion and the 7" Euromeister wheel rubbed the caliper on the inside. The rear setup with 911 Fuchs would have needed a 1/8" spacer. The caliper was touching the rim. I switched to a 951 fuch in back and it has plenty of clearance. Same size wheel, same offset, but the spokes are pushed forward a bit and the mounting hub on the wheel is deeper to make up for it. |
twistedstang |
Apr 18 2019, 05:11 AM
Post
#17
|
Member Group: Members Posts: 220 Joined: 9-January 06 From: Port Huron, MI Member No.: 5,395 Region Association: None |
Tony, I do remember reading that. At one point I intended to swap them over and just never did it. Thanks.
|
mmascari |
Apr 18 2019, 05:44 PM
Post
#18
|
Member Group: Members Posts: 321 Joined: 1-September 14 From: Concord, CA Member No.: 17,850 Region Association: None |
Did you have to use spacers so the wheels didn't rub on the caliper? I have the same conversion and the 7" Euromeister wheel rubbed the caliper on the inside. The rear setup with 911 Fuchs would have needed a 1/8" spacer. The caliper was touching the rim. I switched to a 951 fuch in back and it has plenty of clearance. Same size wheel, same offset, but the spokes are pushed forward a bit and the mounting hub on the wheel is deeper to make up for it. Ah, that is the key....get 951 fuchs. |
Justinp71 |
Apr 18 2019, 05:52 PM
Post
#19
|
Senior Member Group: Members Posts: 1,583 Joined: 11-October 04 From: Sacramento, CA Member No.: 2,922 Region Association: None |
Wow what a difference before and after, nice work! |
ClayPerrine |
Apr 19 2019, 03:06 PM
Post
#20
|
Life's been good to me so far..... Group: Admin Posts: 15,416 Joined: 11-September 03 From: Hurst, TX. Member No.: 1,143 Region Association: NineFourteenerVille |
Now go and buy a Boxster spare tire. The stock 15 inch steel spare won't fit over the Boxster calipers.
Been there, done that. |
Lo-Fi Version | Time is now: 29th April 2024 - 09:16 AM |
All rights reserved 914World.com © since 2002 |
914World.com is the fastest growing online 914 community! We have it all, classifieds, events, forums, vendors, parts, autocross, racing, technical articles, events calendar, newsletter, restoration, gallery, archives, history and more for your Porsche 914 ... |