Posted by Aaron Ford on March 13, 2008 at 09:57:28 from (71.182.50.62):
In Reply to: 12 valves? posted by Dan-IA on March 13, 2008 at 07:21:36:
Nissan used to run the Z24 (?-90) engine until the early nineties. It had 8 valves, but also eight spark plugs. One fired on ignition and the other fired on the deadstroke. Actually produced more power. Not sure why or how, but it was a clean running engine. The engine you speak of is the newer KA24-E (91-97?). It has as said before 2 intake valves and one exhaust. The trucks were tuned to produce peak torque at 3500 and are quite powerful unless saddled with heavy options (4x4, extended cab, auto, a/c, p/s, etc...). I have timeslips from mine running a 16.1 second quarter when it was new. Not sure what it would do now. It will still get up and go, but running a truck with no auto, a/c, and p/s is getting kinda old. Paid 7900 in 1995 and still driving it to work every day.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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