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914World.com _ 914World Garage _ 914 boxster 6 speed conversion

Posted by: 74forsche Oct 31 2021, 10:21 AM

So I'm in process of collecting parts and info for my 914 restomod. Going with a sbf with boxster s 6 speed and 911 suspension/brakes.
One of the details I'm trying to sort out is the church actuation for the boxster s gear box. Anyone have a good source for what pedal cluster and hydraulic bits work best? I will be using a manual throttle cable.

Posted by: brant Oct 31 2021, 11:04 AM

Ford?

Posted by: Andyrew Oct 31 2021, 11:53 AM

Either go with a tilton/wilwood floor mount or modify your existing system with a hydraulic clutch. Someone makes a bracket for mounting a master through the body but its not that complicated.

Posted by: ClayPerrine Oct 31 2021, 02:06 PM

Here is a link to my build....

http://www.914world.com/bbs2/index.php?showtopic=279084&st=120

That page has how I put a clutch master cylinder on the factory 914 pedal box. There is a later page that has the mod that makes it more reliable.

Clay

Posted by: yellowporky Oct 31 2021, 02:08 PM

993 pedal assembly

Posted by: ClayPerrine Oct 31 2021, 02:12 PM

QUOTE(yellowporky @ Oct 31 2021, 03:08 PM) *

993 pedal assembly


I looked at that.. too much modification to the floorpan to make it work.

Clay

Posted by: yellowporky Oct 31 2021, 02:16 PM

Sorry, i guess if forgot that my car has a 993 floor pan in that section. From what i remember they looked very similar.

Posted by: ClayPerrine Oct 31 2021, 02:18 PM

This page has pictures of the later version of the pedal box.

http://www.914world.com/bbs2/index.php?showtopic=279084&st=240

Clay

Posted by: 74forsche Oct 31 2021, 08:31 PM

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

Posted by: 74forsche Oct 31 2021, 08:32 PM

QUOTE(ClayPerrine @ Oct 31 2021, 03:06 PM) *

Here is a link to my build....

http://www.914world.com/bbs2/index.php?showtopic=279084&st=120

That page has how I put a clutch master cylinder on the factory 914 pedal box. There is a later page that has the mod that makes it more reliable.

Clay

Nice! Boxster slave and master cylinders?

Posted by: djway Oct 31 2021, 09:20 PM

Attached Image
I bought this car that had a Ford that didn't fit too well.
I call it the Pord.

Posted by: tygaboy Oct 31 2021, 09:52 PM

QUOTE(djway @ Oct 31 2021, 08:20 PM) *

Attached Image
I bought this car that had a Ford that didn't fit too well.
I call it the Pord.


@http://www.914world.com/bbs2/index.php?showuser=19266 - Looks like you need your fire wall moved forward... I know a guy who could help you. lol-2.gif

Posted by: AZBanks Oct 31 2021, 11:01 PM

QUOTE(tygaboy @ Oct 31 2021, 08:52 PM) *

Looks like you need your fire wall moved forward... I know a guy who could help you. lol-2.gif


When are we going to see some new content on the Racerbenz on GRMS.com?

Posted by: ClayPerrine Nov 1 2021, 05:34 AM

QUOTE(74forsche @ Oct 31 2021, 09:32 PM) *

QUOTE(ClayPerrine @ Oct 31 2021, 03:06 PM) *

Here is a link to my build....

http://www.914world.com/bbs2/index.php?showtopic=279084&st=120

That page has how I put a clutch master cylinder on the factory 914 pedal box. There is a later page that has the mod that makes it more reliable.

Clay

Nice! Boxster slave and master cylinders?


I built it with a 964 master and a Cayman slave. There is no way to mount a Cayman master on the 914 pedal box.

Now it has a Cayman slave, and a Wilwood Master. The Wilwood master was necessary to get the correct bore size to match the Cayman slave. The reservoir is from a 924S.

Clay

Posted by: 74forsche Nov 1 2021, 08:52 AM

QUOTE(djway @ Oct 31 2021, 10:20 PM) *

Attached Image
I bought this car that had a Ford that didn't fit too well.
I call it the Pord.

Yea....thats not how I'm doing it....

Posted by: 74forsche Nov 1 2021, 08:53 AM

[quote name='ClayPerrine' date='Nov 1 2021, 06:34 AM' post='2956747']
[quote name='74forsche' post='2956695' date='Oct 31 2021, 09:32 PM']
[quote name='ClayPerrine' post='2956577' date='Oct 31 2021, 03:06 PM']
Here is a link to my build....

http://www.914world.com/bbs2/index.php?showtopic=279084&st=120

That page has how I put a clutch master cylinder on the factory 914 pedal box. There is a later page that has the mod that makes it more reliable.

Clay
[/quote]
Nice! Boxster slave and master cylinders?
[/quote]

I built it with a 964 master and a Cayman slave. There is no way to mount a Cayman master on the 914 pedal box.

Now it has a Cayman slave, and a Wilwood Master. The Wilwood master was necessary to get the correct bore size to match the Cayman slave. The reservoir is from a 924S.

Clay
Year of 964 master?

Posted by: ClayPerrine Nov 1 2021, 09:21 AM

[quote name='74forsche' date='Nov 1 2021, 09:53 AM' post='2956786']
[quote name='ClayPerrine' date='Nov 1 2021, 06:34 AM' post='2956747']
[quote name='74forsche' post='2956695' date='Oct 31 2021, 09:32 PM']
[quote name='ClayPerrine' post='2956577' date='Oct 31 2021, 03:06 PM']
Here is a link to my build....

http://www.914world.com/bbs2/index.php?showtopic=279084&st=120

That page has how I put a clutch master cylinder on the factory 914 pedal box. There is a later page that has the mod that makes it more reliable.

Clay
[/quote]
Nice! Boxster slave and master cylinders?
[/quote]

I built it with a 964 master and a Cayman slave. There is no way to mount a Cayman master on the 914 pedal box.

Now it has a Cayman slave, and a Wilwood Master. The Wilwood master was necessary to get the correct bore size to match the Cayman slave. The reservoir is from a 924S.

Clay
Year of 964 master?
[/quote]

1991. But it doesn't match the Cayman slave cylinder. So it won't disengage the clutch.

Clay

Posted by: Chris914n6 Nov 1 2021, 11:14 AM

QUOTE(74forsche @ Oct 31 2021, 07:31 PM) *

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

We don't see sbf swaps because they are huge and don't fit. You might want to test fit before committing to the pricey adapter kit.

Posted by: 74forsche Nov 3 2021, 09:57 PM

QUOTE(Chris914n6 @ Nov 1 2021, 12:14 PM) *

QUOTE(74forsche @ Oct 31 2021, 07:31 PM) *

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

We don't see sbf swaps because they are huge and don't fit. You might want to test fit before committing to the pricey adapter kit.

Not true. 302 ford with coil on plug and remote mount water pump is shorter than ls....the ls conversions move the transmission back...to clear the fire wall....which is what I'm going to do. Additionally I'm moving the mount for the rear trailing arm back to achieve appropriate cv angle of operation....

Posted by: djway Nov 3 2021, 10:02 PM

QUOTE(tygaboy @ Oct 31 2021, 08:52 PM) *

QUOTE(djway @ Oct 31 2021, 08:20 PM) *

Attached Image
I bought this car that had a Ford that didn't fit too well.
I call it the Pord.


@http://www.914world.com/bbs2/index.php?showuser=19266 - Looks like you need your fire wall moved forward... I know a guy who could help you. lol-2.gif

@http://www.914world.com/bbs2/index.php?showuser=19241
Actually it looks like a remote water pump and distributor less ignition should squeeze in OK.
I just want to get to drive a Pord smile.gif

Posted by: Chris914n6 Nov 4 2021, 12:25 AM

QUOTE(74forsche @ Nov 3 2021, 08:57 PM) *

QUOTE(Chris914n6 @ Nov 1 2021, 12:14 PM) *

QUOTE(74forsche @ Oct 31 2021, 07:31 PM) *

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

We don't see sbf swaps because they are huge and don't fit. You might want to test fit before committing to the pricey adapter kit.

Not true. 302 ford with coil on plug and remote mount water pump is shorter than ls....the ls conversions move the transmission back...to clear the fire wall....which is what I'm going to do. Additionally I'm moving the mount for the rear trailing arm back to achieve appropriate cv angle of operation....

Now that I think about it more, the problem was the front mount dizzy in the drivers shoulder.
You should be good with 100mm cv's, it's not the angle that's the problem.

IPB Image

Posted by: Retroracer Nov 4 2021, 10:06 AM

..or maybe a Forsche. Easier to modify the trunk script letters.... smile.gif


- Tony

Posted by: 74forsche Nov 17 2021, 11:43 PM

QUOTE(Chris914n6 @ Nov 4 2021, 01:25 AM) *

QUOTE(74forsche @ Nov 3 2021, 08:57 PM) *

QUOTE(Chris914n6 @ Nov 1 2021, 12:14 PM) *

QUOTE(74forsche @ Oct 31 2021, 07:31 PM) *

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

We don't see sbf swaps because they are huge and don't fit. You might want to test fit before committing to the pricey adapter kit.

Not true. 302 ford with coil on plug and remote mount water pump is shorter than ls....the ls conversions move the transmission back...to clear the fire wall....which is what I'm going to do. Additionally I'm moving the mount for the rear trailing arm back to achieve appropriate cv angle of operation....

Now that I think about it more, the problem was the front mount dizzy in the drivers shoulder.
You should be good with 100mm cv's, it's not the angle that's the problem.

IPB Image

So I am not up on the cv joint tech.....which ones tolerate more angle?

Posted by: 74forsche Dec 11 2021, 10:12 PM

My Kep sbf to boxster s adapter arrived. Its barely 1 inch thick. Should make fitting the small ford V8 even easier.


Attached thumbnail(s)
Attached Image

Posted by: 74forsche Dec 11 2021, 10:15 PM

Here is the matching flywheel...pretty impressed with KEP parts. Hopefully they fit as good as they look


Attached thumbnail(s)
Attached Image

Posted by: The Double S Dec 12 2021, 11:05 AM

QUOTE(74forsche @ Dec 11 2021, 08:15 PM) *

Here is the matching flywheel...pretty impressed with KEP parts. Hopefully they fit as good as they look


Looking good. What made you decide to go with KEP over some of the other options?

What axles are you planning on using?

Posted by: 74forsche Dec 12 2021, 07:45 PM

QUOTE(The Double S @ Dec 12 2021, 12:05 PM) *

QUOTE(74forsche @ Dec 11 2021, 08:15 PM) *

Here is the matching flywheel...pretty impressed with KEP parts. Hopefully they fit as good as they look


Looking good. What made you decide to go with KEP over some of the other options?

What axles are you planning on using?

Kep has a great reputation. Not aware of anyone else that does better. With boxster s 6 speed i am leaning toward renegades axles.

Posted by: Maltese Falcon Dec 13 2021, 10:24 PM

QUOTE(74forsche @ Nov 17 2021, 09:43 PM) *

QUOTE(Chris914n6 @ Nov 4 2021, 01:25 AM) *

QUOTE(74forsche @ Nov 3 2021, 08:57 PM) *

QUOTE(Chris914n6 @ Nov 1 2021, 12:14 PM) *

QUOTE(74forsche @ Oct 31 2021, 07:31 PM) *

QUOTE(brant @ Oct 31 2021, 12:04 PM) *

Ford?

Absolutely!

We don't see sbf swaps because they are huge and don't fit. You might want to test fit before committing to the pricey adapter kit.

Not true. 302 ford with coil on plug and remote mount water pump is shorter than ls....the ls conversions move the transmission back...to clear the fire wall....which is what I'm going to do. Additionally I'm moving the mount for the rear trailing arm back to achieve appropriate cv angle of operation....

Now that I think about it more, the problem was the front mount dizzy in the drivers shoulder.
You should be good with 100mm cv's, it's not the angle that's the problem.

IPB Image

So I am not up on the cv joint tech.....which ones tolerate more angle?


Check out the specific prepped ProAm 930 CV joints, good for deep plunging angle use; from McKenzie.com
We assembled ours on to Sway-Away 300m alloy floating style axles, and lubed with Krytox brand grease.
Going into use on our v8 build, which has non-stock angles.


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