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Old 01-04-2017, 07:25 PM   #1
jsouroufis
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Join Date: Apr 2017
Location: Greece
Posts: 84
Subframe: Allspeed
CC: 1615
Make: Honda
ECU: Neptune RTP
Default B16 Allspeed std roundnose

Hello everyone!

I thought i'd re-upload my build since it was gone after the server issue.
Started the conversion October 2014, took almost a year to complete but as always with these project they never quite finish..it's been though various small changes in these 2 years between driving it and fixing it..

Info:
Rover Mini 1994
Allspeed frame
Non removable standard steel round nose

B16A2 ported to 81.5mm
CP pistons, compression 11.5:1
Head port and polish
Blox Type B cams
Blox Springs, retainers, cam gears
Skunk2 rods
Skunk2 LMA
Skunk2 70mm TB
Inlet manifold ported
ACL bearings
COP convertion

Mfactory 4.05 FD, Y21 box
ACT prolite 4kg Flywheel
ITR LSD
Synchrotech repair kit

Minisport 4pot 8.4 brakes
Red dot rubber cones
GAZ shocks

Custom Radiator, shock mounts, alternator bracket etc, speedo healer to correct the speedometer, spiyda for the fuel gauge, oem alternator, unmodified dc header, Honda master cylinder with a spacer, bigger slave cylinder (to be changed soon) and other stuff i forget..

As of now I'm waiting the Neptune RTP (currently tuned on CROME), AEM wideband, Clutchmasters Hydraulic Release Bearing to delete the slave cylinder and gain clearance for a better radiator placement.
I already have 3rd-4th gears from the S80 and LS 5th gear in hand waiting. Hopefully the rest will be delivered by next week and hope it will be the last time I improve something in this car!

So, a few pictures thought out the build to get an idea, not in a specific order as I have tons and don't have the time to make the descriptions again. I also have quite a few videos during tuning, street racing etc that I should upload during time:


























































































































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Old 11-05-2017, 02:28 PM   #2
jsouroufis
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Subframe: Allspeed
CC: 1615
Make: Honda
ECU: Neptune RTP
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Almost ready again.
Work done:
-AEM wideband fitted
-S80 3rd, 4th gear and LS 5th
-Clutchmasters Hydraulic release bearing fitted to delete slave cylinder
-Hydroblast the transmission box-I was told that the paint increases the internal temperature. To be honest the bearings seemed a little worn for just 12.000 km so out new ones and left unpaint for piece of mind
-Got a new aluminum 2 row radiator. Plan is to put it sideways and more to the bottom and right since I have the extra room without the slave cylinder.

Took it to a workshop to transfer the necks to one tank and baffle the inside in half to make it a two pass system. Hope it will improve my cooling quite a bit. Should be ready tomorrow.

About the new hydraulic "slave" bearing. Although not tested yet, I bled it and god it is light!
First I had the honda master cylinder with a spacer and honda slave. It was undriveable.
Then switched to an aftermarket bigger bore slave 24mm. It was quite good actually but still kind of on/off.
Now I can literally depress the pedal with my index finger with ease! Will see how it performs once I put the new radiator.






Last edited by jsouroufis; 11-05-2017 at 02:34 PM.
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Old 11-05-2017, 10:16 PM   #3
bluemini17
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Location: Northern Ireland - Belfast
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Subframe: Allspeed
CC: B18
Make: Honda
ECU: P9k
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Great work, do you have more information on the hydraulic slave bearing ?
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Old 12-05-2017, 07:21 AM   #4
jsouroufis
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ECU: Neptune RTP
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Yes, link below. It's supposed to help the hard pedal with race clutches and make the engagement more progressive.
http://www.clutchmasters.com/n817-h-b-series-1/
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Old 12-05-2017, 08:57 AM   #5
Oz
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I'd been looking for an internal slave for years and never found one this is such a great idea as the Honda Slave Cylinder sits right where the Rad needs to sit and will make a huge difference to getting a decent rad to fit in a standard round nose
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Old 12-05-2017, 09:10 AM   #6
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Just reading their website it says:-

Quote:
The Clutch Masters hydraulic bearing is a direct bolt on when using a Clutch Masters FX725 series unit
It seems you need to use one of their multi plate clutches ?
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Old 12-05-2017, 09:36 AM   #7
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How does it connect up as the Honda slave only has one hydraulic pipe but this has two ?

EDIT - Sorry, just worked it out, the other pipe is the bleeding hose/nipple
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Last edited by Oz; 12-05-2017 at 11:18 AM.
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Old 12-05-2017, 11:37 AM   #8
jsouroufis
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Quote:
Originally Posted by Oz View Post
Just reading their website it says:-



It seems you need to use one of their multi plate clutches ?
Oz, you don't need their clutch. I spoke with them before ordering to confirm. I also have an OEM clutch! It's just direct fit when using their aftermarket one.

Unlike Tilton who also has a hydraulic release bearing for B series and they require their clutch as well as their master cylinder.

And yes, you are right. One line is to connect to the master cylinder and the other for bleeding.

I will actually fit an aftermarket 2 core alloy rad with a 12in slim fan and alloy shroud with a little trimming to the wing where the water drain meets the hood.
According with my measurements the surface area of the rad should be a lot better!
Just waiting the workshop to mod the rad to my suits
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Old 12-05-2017, 11:50 AM   #9
Starmag
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Also interested in the idea of the hydraulic release bearing, deffinantly frees up a little bit of space!

How does it feel with the LS 5th gear?
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Old 12-05-2017, 12:07 PM   #10
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Quote:
Originally Posted by jsouroufis View Post
Oz, you don't need their clutch. I spoke with them before ordering to confirm. I also have an OEM clutch! It's just direct fit when using their aftermarket one.

Unlike Tilton who also has a hydraulic release bearing for B series and they require their clutch as well as their master cylinder.

And yes, you are right. One line is to connect to the master cylinder and the other for bleeding.

I will actually fit an aftermarket 2 core alloy rad with a 12in slim fan and alloy shroud with a little trimming to the wing where the water drain meets the hood.
According with my measurements the surface area of the rad should be a lot better!
Just waiting the workshop to mod the rad to my suits
Excellent info, thank you
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Old 12-05-2017, 12:35 PM   #11
jsouroufis
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Subframe: Allspeed
CC: 1615
Make: Honda
ECU: Neptune RTP
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Quote:
Originally Posted by Starmag View Post
Also interested in the idea of the hydraulic release bearing, deffinantly frees up a little bit of space!

How does it feel with the LS 5th gear?
Yea, you get better clutch pedal feel and precious space for the radiator!

Haven't tried the car yet as i'm missing the radiator, but I made an excel that calculates my speed/rpm/gear. Already tested with my previous gears and is quite close to real life (gps speed)!

Old Gears:
1st: 3.230
2nd: 2.105
3rd: 1.458
4th: 1.107
5th: 0.848
FD: 4.05



New longer gears should be like this:
1st: 3.230
2nd: 2.105
3rd: 1.36
4th: 1.034
5th: 0.714
FD: 4.05

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Old 12-05-2017, 05:12 PM   #12
Underhauled
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Can you share the dimensions of the radiator out of curiosity? What did you use for the rest of the clutch system? Master, reservoirs etc.
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Old 12-05-2017, 05:38 PM   #13
jsouroufis
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Subframe: Allspeed
CC: 1615
Make: Honda
ECU: Neptune RTP
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Quote:
Originally Posted by Underhauled View Post
Can you share the dimensions of the radiator out of curiosity? What did you use for the rest of the clutch system? Master, reservoirs etc.
It measures
Core Size:358* 350*42
Overall Size:422 * 364*50
Inlet/Outlet:32/32
2 rows

I have unmodified clutch pedal, Honda master cylinder with spacer, Honda reservoir. Up to now I also had a bigger bore slave cylinder (24mm) which was quite good. I opted for the hrb mainly for clearance issues but the extra improvement of the pedal is a big plus.
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Old 12-05-2017, 05:50 PM   #14
Underhauled
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I hadn't seen these systems before. I'll definitely be compiling the same setup. Cheers.

Sent from my SGP311 using Tapatalk
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Old 12-05-2017, 06:48 PM   #15
bartman
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Subframe: MTB
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nice build, really like the hydraulic clutch idea. good work
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