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<x-charset iso-8859-1> -----Original Message----- From: Plk554@aol.com [mailto:Plk554@aol.com] Sent: Thursday, October 25, 2001 9:15 PM To: martinezl@ftscpac.navy.mil Subject: Mofoco heads Hi Leon, I am looking at some Mofoco heads for my FI system.... I was wondering how yours turned out?? I am building a 2 liter with the "D" FI system using the 914 Porsche 2 liter system. It will be 90.5mm with a 78.4mm crank, with 7.5 comp. Just want more guts... and do not like the new VW heads. Thanks, Pat ---------------------------------------------------------------------------- ----- ---------------------------------------------------------------------------- ----- Answering your question with my usual super long litany: I was told by the maker that these heads are far superior to any other brand even factory : better casting and machining also superior alloy 1973 formulation from Germany, casted in a aircraft alumuminum casting patrs facility in New York. Extra fins everywhere on these heads. Casting and design is outstanding but I had problems with other things that I mention below. You must be on your feet and be a pain in the butt, do not take whatever they give you. Get the best you and your car deserves for the money you give them. I called them after sending my e-mail and apologized and were willing to rectify everything at no cost to me. So I sent one head back , which was the worst of the two. The pictures in their site are deceiving, they show the New brazilian heads with the casted and machined EFI boss and , they were not aware of this . I think I will be satisfied at the end, I am planning to put a temp sensor on each head, to minitor both sides, when I am zooming down the freeway at 90+ mph during graveyard hours. I will let you know what the final outcome is when my engine is running again. new engine specs : -1600 efi -8 to 1 compression I hope -total seal second rings -balanced forgrd crank -Mofoco 041 heads with 3/4 inch reach -one peice valves -SNIEDER TORQUEY BUS CAM (Mo low end power) -26 mm oil pump -2 quart sump -pressure booster kit (yeah I know) -Slip in hydraulic lifters -92 pass mesa cooler with fan and oil filter -Swivel rocker adjusters -dual quiet pack ( will get kitco hidden ceramic ones later) -all seams on case sealed in epoxy (experimenting for zero oil leaks) -silicon pushrod tube seals ( my rubber ones got hard and craked after 50,000 miles (less than two years time) - will continue with the synthetic oil - 50,000 volt/high current coil -pertronix igniton (will add capacitive discharge later. -Ngk thin electrode palladium spark plugs (like in aeroplanes) All I need is a jusdson supercharger to blow air into the intake (I am just dreaming) I hope this time my cam gear does not self destruct. Engine was in perfect running and could have run another 50k or 100k according to the internal wear and oil pressure indicated. Read my e-mail below to Mofoco. ---------------------------------------------------------------------------- - Oct 20th 2001 ---------------------------------------------------------------------------- - Dear Mofoco Customer service, I just wish to remind you that the 041 head your welding the EFI sensor boss on is a 3/4 inch reach plug. This just in case you use another head for this weld job. Order processed 30 Aug 2001 . ---------------------------------------------------------------------------- -- Oct 9th 2001 ---------------------------------------------------------------------------- --- Dear Mofoco Customer service, This is not meant as a bash but constructive critisism so you will know my problem with the heads and satisfy me , I do not want money back, just good heads. My cylinder heads arrived today. I am somewhat unsatisfied with these. I was told that the quality of these heads were better than anything out there, especially the Brazilian, Mexican and Spanish ones. I assume MADE IN USA is supposed to be the best but... you can prove that by making this customer happier. I have heard other people's complaints even though you have not heard personally, I guess they thought the bought them so then they might as well use them, no use telling the maker... I am Leon Martinez, I have been the one calling over and over to check the status of my 041 heads with the 3/4 inch plug depth and machined EFI sensor boss. I have made it clear at every phone call that I wanted the Fuel Injection boss machined, I was told that tapping the boss would cost an additional 10.00 dollars, I agreed to have one head machined at this boss. I was told by you over and over that this would be done. Originally , during the first phone call I asked alot of questiones about the construction and design of the head. Among other things, I asked if the EFI boss existed on your 041 heads like the 042 heads. You told me that you went to the shelf to verify this and in fact the boss was there ready to machine. The picture on your site did not reflect this but I was told that was an old picture that needed updating and that a newer one would have the machined boss. The heads that you gave me ??? They do not even have bosses to machine, the casting is obviously different from the one you saw. I cannot use this matched pair, if the EFI boss is not there, I have Electronic fuel injection in my car, I made that clear. I have minor complaints about the quality of the machining even though the casting is outstanding (except for some cast flashing that partially plugged some areas, this is easily correctable). - There is machine flashing everywhere, the machining was not finished by deburring, Many sharp areas. I must finish the job with a dremmil tool. - driling of the head bolt holes are of low quality, kind of crooked at the begining but straigtens out. It is acceptable though. Hoping the bolt does not end up tweeked. - machining of one of the internal headbolt bosses with the lip (under the cover)the lip is almost machined off and what is left is a razor sharp crooked piece of burr where the lip was. This maybe acceptable as long as the washer is centered. - Some head bolt washer bosses are machined offset from the head bolt holes. This may be acceptable if the offset washer does not tweek the bolts. - The bale wire cover bosses are not drilled evenly, one is a bit forward and the other back . I do not know how strong the one drilled forward is since there is less metal left for the tension of the headcover clamp. This maybe acceptable if it is strong. - I do not know if this is by design but the intake holes are full of machine flashing and/or made smaller than other brand stock heads with stock valves. I can fix this with a dremmil tool. This is just constructive critisism, i do not wish you to feel bad. I took these heads to a machine shop to verify that the machining did not reach the quality of the Brazilian, Mexican and Spanish heads. I hope you can correct this for future customers. The machine quality of the Brazilian(and others) heads for example is of supurb quality in comparison to yours, it is straight and clean. What the Brazilian and others are lacking, is clearly the better casting you have. I am concerned because I am an American that beleives that American quality should kick some serious butt no matter who they should be especially at the place like Milwaukee, where machine creation is tops. I am the coordinator of a TYPE 3 club that has 40 cars/members and I am in ocassional contact with magazine comentators, editors, VW webmasters, sometimes I info other clubs wich make up hundreds of cars during gatherings. I have told many people that I was looking for heads without machine problems of the Brazilian heads (only REAL off angle plug holes, would not seat flat, got three heads like this),or heads that did not melt easily (inferior metal of AMC of Spain) or the difficulty of getting universal dualport heads from the VW factory with the VW logo casted (Mexican heads, I have just now found two easy sources for these ), or heads that would not overheat immediately (all racing heads of all brands with thicker but a lame amount of fins). I am the torture tester of cars for my VW club. I have driven 90 mph routinely for an hour each day at 5:00 am while going to work, I have broken balanced cranks of American brand detroit big blocks (Chev etc...) I always look for the best, I told everyone you may be the best and that I would test you next, I do not wish to tell everyone what I found but I wish to tell everyone that I was satified with Mofoco products and that my heads turned out as bullet proof, and cooled better as expected , slight machine problems are of no concern to me but are for comment. I like your casting very much but were is the BOSS ? To satify me please contact me with a fix, all I wanted was a pair of the same heads with one of the EFI bosses machined, the ones you sent me do not even have the bosses casted in them. All I need is a one 041 head with the boss casted and machined with 3/4 inch reach sparkplug holes. </x-charset>