Guest Anonymous Posted November 30, 2002 Share Posted November 30, 2002 40MM Webber carbs w/ 34mm chokes, TWM manifold 1983 280 ZX Block (F54 w/flat top pistons) 1972 240Z Cylinder head (10.4 to 1 compression ratio) ported & matched Crane Cam (272/282 duration, .450 lift) 2.5 exhaust the jets are set so wrong on this its washing the oil off the sidewalls and burning that with it .. bogs down when stomped on gas etc =( .. please tell me what size the ones in there i have no idea i havent looked but they are wrong obviously ( orig owner said was running rich for nitrous , i just think the moron bought the wrong jets cause its really bad ) thanks for the help in advance you studs. Quote Link to comment Share on other sites More sharing options...
Synlubes Posted December 1, 2002 Share Posted December 1, 2002 Syndicate These are some "in the ball park specs" * NOT KNOWING YOUR SETUP, HOW YOU USE THE CAR THIS IS JUST A RECOMENDATION * * You really need to go thru and inventory what is installed now * Chokes - 30,32 mm Emulsion tubes - F-11 Main jets - 125,130 Air corrector jets - 160,170 Accelerator jets, idle jets you need to see whats installed! Webers are not hard to set up IF you understand how everything works together! I would recomend you find someone in your area who knows the carbs AND get yourself a weber book or 2, read it, understand it! I have 1 book from BTR Engineering Limited(they are in Austalia)(try a search on the web, I`ve had this book 4 about 12 years) that I think is the best! It`s title is, Weber-Guide to parts and tuning You can do some damage if you don`t get thing close and then it`s a matter of some fine tuning! Quote Link to comment Share on other sites More sharing options...
Synlubes Posted December 1, 2002 Share Posted December 1, 2002 Syndicate Another good book, Haynes - Weber Carburetors! The ISBN# 1 85010 020 9 You can use this ISBN # at any book seller Quote Link to comment Share on other sites More sharing options...
Synlubes Posted December 1, 2002 Share Posted December 1, 2002 Here is a link to the company I purchased book from(guide to parts and tuning) http://www.piercemanifolds.com/products.htm Also did business with this company when I had my shop years ago! Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted December 1, 2002 Share Posted December 1, 2002 Thanks! App the help guys unfortunately i have todo it my self argh! noooo no good carb places around here .. and i just got outbid on the other car i wanted =( damn Quote Link to comment Share on other sites More sharing options...
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