Finnish billet T1 heads, 94-101.6 bore variations etc
 

I'v forgotten to tell that finnish CNC shop has asked me to design billet head for their needs and also for sale:

Bare heads may will be offered with:


-94 or 4" bore

-Stock headstudspacing or wasser 88x83mm studspacing.

-6061 aluminum

-Cosworth style intake ports, two sizes: small port opening 43x34mm or large port opening 47x38mm

-Large fullwidth rockerpad

-NGK D8EA plugs fits

-Spring pocket OD 36mm, ID 16.8mm

-10 mainfins

-Throughboles for coolingair

-Max valvesizes around 50x38 - 51x39


Price is around 1700-1800€




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Yummy!

NICE!! Are they on the market yet? What´s the price?

Alex

those are really nice !!

what is the difference between your heads an the JPM heads ?
what cylinder/pistons do you use for 4 inch bore ?
can a type 1 case be modified for 4 inch bore stud spacing ?

Not yet, but aproximately in two months we make few prototypes and test them on a typical street/strip beetle engine.


Stock case cannot be modified to wbx pattern spacing and 4" bore with success, some have done but it much work. Most of us use WBX, Autolinea or TF-1/Scat/Autocraft case. I am using TF-1 case.


I use LN engineering 4" Nickies and JE pistons, but there is also AA, JPM and autocraft iron cylinders.

http://www.lnengineering.com/whynickies.html

http://jpmotorsports.se/ms/ms/j-p-mo...-90000825-p-3/

http://www.thesamba.com/vw/classifie....php?id=117541

http://www.autocraftengines.com/components.html

Price will be no more than 1800€ / pair no matter which bore, but you have install your own valvestuff - I recommend 117mm long type 4 valves, regular highperformance seats and guides, JPM springs + retainers or CB VW650 stuff.

Looks like pauter rockers are easiest to adapt if you want to spread the valves, to get fit bigger valves. You can move exhaust rockers at least 6-7mm outwards and intake rockers 2-3mm inwards easily.

Pauter rocker shafts has two lockring grooves at exhaust rocker shafts and bolt thread at ends.


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http://img703.imageshack.us/img703/1621/ctqo.jpg

Possibly we get first head pair out of oven in a two next months, for the test engine.


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Nice work Alex! The only "negative" I can see is that there are only 2 holes for the exhaust header.This has always been a weak spot with high performanceaircooled engines. Funny,that ALL the new heads that are on the market do not adress this. Eventually, they will all leak. For those who will argue that all type 1 headers have a 2 bolt mounting,yes,they do. But why not make it better? It would be easy to modify any header with a better flange.

There have been a lot of suggestions, and most of them can be done with little or no extra price.

Adding threaded holes for header flanges are easy, no problem at all.

More work needs 910 style intake, chevy rockers, angled exhaust valves etc.