Kulper620 Posted October 2, 2013 Report Share Posted October 2, 2013 Hey anyone happen to have a header that will fit my 76 620 pickup, the motor I bought had a header for a 510 on it and it won't clear my torsion bar, willing to trade the header I have for one or if I have to purchase it that is fine as well here is a pic of the one I have and I am located in Washington state Link to comment
Eagle_Adam Posted October 2, 2013 Report Share Posted October 2, 2013 you dont really WANT a header do you? the stock non emission mani is just as good IMO Link to comment
Kulper620 Posted October 2, 2013 Author Report Share Posted October 2, 2013 Yea the stock manifold would be just fine, I'm just not having any luck finding one Link to comment
datzenmike Posted October 2, 2013 Report Share Posted October 2, 2013 Perhaps because you should be in the classified section... http://community.ratsun.net/classifieds/category/4-engine/?sort_key=date_added&sort_order=desc you're in the engine section. Now if you were asking IF you need a header I would say. NO. Here's why. Your truck has the exhaust and the intake bolted together. Go check. There is a thin plate sandwiched between them that will fall off or leak air into the intake. Get an early L16/18 intake although the runners are smaller, or a '78-'80 intake that properly fits an L20B and is separate. Best thing is to forget the headeraltogether Why not to get a header.... A stock exhaust manifold is more than enough for a stock or mildly built motor.. Only when a 'larger' cam, multi carbs, with ported head with larger valves and higher compression is used do you need a better flowing exhaust. Headers are just one of those things that are strictly for racing and do not translate over well for use on the street. Headers are expensive (for a good one) last about 5 years and should be ceramic coated. If cheap they will be rusty in 3 months, warp, leak exhaust at the head flange, be ill fitting and need a dent to clear something, welds are poor and need yearly maintenance. Even a good expensive one will need at least a day to instal. Probably you will need to remove the left torsion bar and /or the left motor mount and jack the motor up. Good luck removing the stock manifold without braking a stud off, a real possibility. Stock exhaust manifolds..... Are usually already on the motor so nothing to do. If replacing with an L16/18 it will at the least fit perfectly. Last forever and need NO maintenance whatever. Extremely unlikely to develop a leak. Are quiet. L16/18 exhaust manifold. Name one thing other than weight that the header can do that the stock one can't. Look for this one... 1 Link to comment
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