Kent jemand Helmut Wahl der Kolbentuner aus Stuttgart
Verfasst: 24.04.2005, 05:53
Nachdem ich das feinste von Kolben wissen möchte kam ich aus
bei Helmut Wahl.
Hat jemanden je von im gehörd oder erfahrungsbericht?
1 bis 2% mehr power für nur $50
Lese selber in English leider:
Piston Modification
story by: Walter Prechsl
Some days ago I was by Helmut Wahl of Fellbach near Stuttgart/Germany.
I brought him my pistons to modify them at the
newest knowledges. My actual problem was that the gudgeon pins were
too tight in the bores, they moved hardly and from my last years visit
with my spare engine I knew that Helmut makes special modifications
for a better piston lubrication and a lesser oil consumption.
Following did he modify:
-- At the upper rim of the pistion he milled a triangular notch in - this is
one of the newest knowledges at Porsche. That makes the compressed
air not to strike at the ring, but makes a squirl and puts his power at the
pistion. The same between the 1st and the second ring. It should give
about 1% or 2% of additional power!
-- At the second compression ring he lathed a "nose", that is a
modification, looking like a nose to scrape the oil from the cylinder wall.
-- The bridge between the 2nd ring and the upper oil scraper was milled a
little bit down to keep the lublication.
-- under the upper oil scraper, where the oil holes come out, he made a
little tapering, to let the oil better go down.
For all that I paid about US-$ 50, a very reasonable price for that very
special work. You can find Helmuts address at the suppliers list.
He works for motorbuilders all over the world and is very well known at
racing companies.
Wahl Pistons every piston you want, new made, improved, restored
Helmut Wahl
Gartenstr. 57A
70734 Fellbach/Stuttgart
Germany
+49-711-589660 Helmut Wahl is well know all over the world as "the"
man for all possible and "impossible" piston works
bei Helmut Wahl.
Hat jemanden je von im gehörd oder erfahrungsbericht?
1 bis 2% mehr power für nur $50
Lese selber in English leider:
Piston Modification
story by: Walter Prechsl
Some days ago I was by Helmut Wahl of Fellbach near Stuttgart/Germany.
I brought him my pistons to modify them at the
newest knowledges. My actual problem was that the gudgeon pins were
too tight in the bores, they moved hardly and from my last years visit
with my spare engine I knew that Helmut makes special modifications
for a better piston lubrication and a lesser oil consumption.
Following did he modify:
-- At the upper rim of the pistion he milled a triangular notch in - this is
one of the newest knowledges at Porsche. That makes the compressed
air not to strike at the ring, but makes a squirl and puts his power at the
pistion. The same between the 1st and the second ring. It should give
about 1% or 2% of additional power!
-- At the second compression ring he lathed a "nose", that is a
modification, looking like a nose to scrape the oil from the cylinder wall.
-- The bridge between the 2nd ring and the upper oil scraper was milled a
little bit down to keep the lublication.
-- under the upper oil scraper, where the oil holes come out, he made a
little tapering, to let the oil better go down.
For all that I paid about US-$ 50, a very reasonable price for that very
special work. You can find Helmuts address at the suppliers list.
He works for motorbuilders all over the world and is very well known at
racing companies.
Wahl Pistons every piston you want, new made, improved, restored
Helmut Wahl
Gartenstr. 57A
70734 Fellbach/Stuttgart
Germany
+49-711-589660 Helmut Wahl is well know all over the world as "the"
man for all possible and "impossible" piston works