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40 horse vintage speed project
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vicpolky
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PostPosted: Fri Oct 24, 2008 1:29 pm    Post subject: 40 horse vintage speed project Reply with quote

Great forum, I just found it via Thomas's Oldspeed-Register Cool

Just wanted to share my 40 horse vintage speed project that's now up and running (how I wish this forum existed when I was researching this Very Happy ).
Thanks to all the guys off here who already helped me out (esp. Glenn - cheers!).

The motor is the original 1200 40hp in my '65 bug. It blew an exhaust valve last year, and we decided to build it back up using some vintage speed tuning for a bit of fun. Here it is back in and at VW Action last month...

Image may have been reduced in size. Click image to view fullscreen.


We decided to go down a different route to an Okrasa kit, originally for cash reasons (ironically Very Happy ) and then fell in love with the idea of basing it on the original 373 single port heads and seeing what we could get out of that.

We had the heads worked on by GAC Motorsport, a really good Formula Vee specialist here in the UK...

Before

Image may have been reduced in size. Click image to view fullscreen.


After

Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


They did some pretty extensive work, you might notice there's a whole fin missing. The compression is 9:1, which makes for a pretty exciting motor.

The motor spec is...
Matching number 40hp case, line-bored
83mm barrels and pistons (1384cc)
Original 373 single port heads, ported, polished, etc.
Fully balanced bottom end, rods & pistons
Riechert Twin NOS Solex 34's and single port manifolds
Knecht air filters
Bolt-up 1.1:1 Rockers
9:1 Compression
Engle 100 cam
Fram bypass oil filter
Mr Wob Abarth 4-tip exhaust
Bosch VJR4BR25 Distributor (cheers Glenn)
6 volt system.

All the build work was done by our good friend Ian. It went through its first 500 mile run-in and tune-up ok, when we're up to 1000 it's going in to be dyno'd to get the set-up fine tuned and see how many horses it's producing.

Cheers

Vic
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EverettB Premium Member
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PostPosted: Fri Oct 24, 2008 6:05 pm    Post subject: Re: 40 horse vintage speed project Reply with quote

vicpolky wrote:
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That looks great. Great photo too.

I'm definitely interested in hearing the horsepower rating.

One suggestion... I'd paint the regulator casing black so it looks vintage too.
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vicpolky
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PostPosted: Sat Oct 25, 2008 4:11 am    Post subject: Reply with quote

Cheers, will definitely post up the hp when I get it. No idea what it will be, but I'd be really happy with somewhere in the 60's (that's BHP)

The og 6v regulator casing was the metal colour, this is a replacement, but I have what I'm pretty sure is the original 6v one here.
Our idea was to keep all the motor ancillaries as completely stock '65 apart from the ones we changed for vintage performance parts.

Vic
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Joesplace
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PostPosted: Sat Oct 25, 2008 11:17 am    Post subject: Reply with quote

vicpolky - I have to ask, did you find a pair of single port manifolds or fab them? I have been looking for a long time but can't find any Sad

- Joe -
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vicpolky
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PostPosted: Sat Oct 25, 2008 11:30 am    Post subject: Reply with quote

Joesplace wrote:
vicpolky - I have to ask, did you find a pair of single port manifolds or fab them? I have been looking for a long time but can't find any Sad

- Joe -


Hey Joe (sorry)

I got them in a kit from Reichert in germany. They came with the carbs - very good they are too Smile .

Reichert: http://www.riechertmotorentechnik.de/

Also, Thomas (oldspeed-register) had some for sale, I don't know if he's got them still, but here's the ad:

http://www.pre67vw.com/classifieds/detail.aspx?id=1112
Hope that helps

CHeers

Vic
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Joesplace
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PostPosted: Sat Oct 25, 2008 1:37 pm    Post subject: Reply with quote

Thanks Vic - email sent, still searching . . . .
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vicpolky
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PostPosted: Sat Oct 25, 2008 4:38 pm    Post subject: Reply with quote

I'm pretty sure Riechert has them, give him a ring, his number is on the website, and he speak pretty good english Cool
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Ian
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PostPosted: Sun Oct 26, 2008 6:25 pm    Post subject: Reply with quote

I always wondered how they did that. Thanks!
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PostPosted: Tue Oct 28, 2008 8:20 pm    Post subject: Reply with quote

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What the heck is a 34 pci?
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stede
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PostPosted: Mon Nov 03, 2008 1:07 pm    Post subject: Reply with quote

The motor looks great. You just gave a great idea for my 40 horse if you don't mind me taking a few idea's of yours ?
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vicpolky
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PostPosted: Mon Nov 03, 2008 4:08 pm    Post subject: Reply with quote

OG64 wrote:
The motor looks great. You just gave a great idea for my 40 horse if you don't mind me taking a few idea's of yours ?


Thanks Very Happy
Of course not Wink
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PostPosted: Mon Nov 03, 2008 5:51 pm    Post subject: Re: 40 horse vintage speed project Reply with quote

vicpolky wrote:

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Awesome shot. That's sort of the look I'd like for the motor in Herbie.
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stede
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PostPosted: Tue Nov 04, 2008 11:34 am    Post subject: Reply with quote

vicpolky wrote:
OG64 wrote:
The motor looks great. You just gave a great idea for my 40 horse if you don't mind me taking a few idea's of yours ?


Thanks Very Happy
Of course not Wink


LOL:

Great job ! That's the best looking HP 40 ounce i've ever seen. Cool
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oval56
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PostPosted: Tue Nov 04, 2008 12:04 pm    Post subject: Reply with quote

great job, nice clean straight looking engine... looking forward to get tom horsepowerdatas of the engine Smile
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bass4fun
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PostPosted: Mon Nov 10, 2008 2:33 pm    Post subject: 40 horse vintage speed project Reply with quote

new to this you can put duel carbs on a single port engine? im going to start on a 1500cc to see what i can get out of it. thanks
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Rome
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PostPosted: Mon Nov 10, 2008 4:18 pm    Post subject: Reply with quote

bass, yes definitely; though you'll probably find more input on the "perf VW engines" forum here on thesamba since that comes up regularly there. Your choices are Kadron (SP manifolds found used), "Baby" Dell'Orto 34FRD with aluminum SP manifolds (once again, used) and I think you can now buy NEW Solex single-throat kits with SP manifolds (CB Performance or aircooled.net).
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PostPosted: Mon Nov 10, 2008 7:05 pm    Post subject: Reply with quote

Rome wrote:
bass, yes definitely; though you'll probably find more input on the "perf VW engines" forum here on thesamba since that comes up regularly there. Your choices are Kadron (SP manifolds found used), "Baby" Dell'Orto 34FRD with aluminum SP manifolds (once again, used) and I think you can now buy NEW Solex single-throat kits with SP manifolds (CB Performance or aircooled.net).


You also have the option of Weber 34 ICT w/ new aluminum SP manifolds. These are all for 1300-1600 SP heads of course.
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PostPosted: Wed Nov 12, 2008 8:44 am    Post subject: Reply with quote

Hi Vic, nice thread.

I discovered an og 373 head in the garage last night (whilst looking for something else). Would you like it as a spare?

I've also received my twin carbs in the post this week - I think you'd be interested to see them!

I'm getting there with the parts - the look is definitely coming together now. Thanks for the inspiration.

Cheers,

Dave
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vicpolky
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PostPosted: Thu Nov 13, 2008 4:58 pm    Post subject: Reply with quote

Hey Dave, cheers!

Yeah, if don't need the head, that would be great. Although if I do get to the point where I need it, I'll be crying a bit Very Happy

Looking forward to seeing your carbs and stuff. Nice one.

Vic
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PostPosted: Mon Nov 17, 2008 7:15 pm    Post subject: Reply with quote

Very cool work ther and a SUPER clean looking bug.

I just cranked my 1385 for the first time last weekend using a 100 cam and the 373 heads, 1.1:1 rockers as well as a '65 case.

I am pretty happy with the results so far. Only about 40 minutes run time on the stand so far though.

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