Raggleflaggle Posted June 20, 2014 Report Share Posted June 20, 2014 Well if it can handle more heat than potential hp increases... Quote Link to comment
ggzilla Posted June 20, 2014 Report Share Posted June 20, 2014 What does that mean? Quote Link to comment
Fat510 Posted June 20, 2014 Report Share Posted June 20, 2014 Why would you rather have less hp? the single cam is more aesthetically pleasing to me. the dual cam has that bottom cam gear?(idoler pulley?) that can wobble and strip the threads Quote Link to comment
Raggleflaggle Posted June 20, 2014 Report Share Posted June 20, 2014 What does that mean? as in upgrades. If the block can handle more heat, then you can safely mod it for a higher hp. Mind you, I am asking this, I am unsure. If you know the Mexican block is better than the jap one, or if their no difference, correct me. Quote Link to comment
ggzilla Posted June 20, 2014 Report Share Posted June 20, 2014 I think it's funny you are interested in "upgrading" for higher HP when you say don't care about how much HP it has to begin with ... The KA24DE from 240SX has a main bearing girdle. KA24E doesn't. That's your limiting factor right there, not where the block was made. Not how much heat the block can handle. The reinforced mains allow it to rev higher, thus make more power. The 16-valve head allows it to breathe better, thus make more power. More power in stock form. More power in modified form. Quote Link to comment
Raggleflaggle Posted June 20, 2014 Report Share Posted June 20, 2014 I didn't say I didn't care.. There's some info. I'm trying to figure it out, I'm no expert... Quote Link to comment
mhub91 Posted June 20, 2014 Report Share Posted June 20, 2014 For some reason I can't quote post here on work computer.....This is where it gets tricky, ggzilla, the the DE blocks made in Japan have a girdle, sure. Those DE's are exclusively found in the 240SX ONLY. But, the DE blocks found in the Xterra, Frontier, and other truck platforms around the globe that were "Hecho en Mexico" have a higher (nickel-?) content, and thicker cylinder walls. Get that! So, sure, a girdle is great, but so is thicker walls and better quality metal. From what I understand, though, the heads are all the same minus cams and manifolds. I say I'd prefer a single cam because I enjoy having the under-dog things in life and rocking the shit out of them. Been poor all my life, might as well run with it! Haha! Although the DE is a great engine and I engine the peppy torque curve it delivers. A lot of people.. specifically the 240sx crowd.... bash on the KA and say RB / SR is the way to go. I say fuck that! Have fun with whatcha got! Oh, and to add onabout the sohc KA there was a guy somewhere on KA-t I believe that had proven on a flow bench that pound-for-pound the sohc flows better the the dohc head if larger valves are installed. All in all, I agree with Fat510, the sohc is just ascetically more pleasing. Quote Link to comment
Fat510 Posted June 21, 2014 Report Share Posted June 21, 2014 For some reason I can't quote post here on work computer..... This is where it gets tricky, ggzilla, the the DE blocks made in Japan have a girdle, sure. Those DE's are exclusively found in the 240SX ONLY. But, the DE blocks found in the Xterra, Frontier, and other truck platforms around the globe that were "Hecho en Mexico" have a higher (nickel-?) content, and thicker cylinder walls. Get that! So, sure, a girdle is great, but so is thicker walls and better quality metal. From what I understand, though, the heads are all the same minus cams and manifolds. I say I'd prefer a single cam because I enjoy having the under-dog things in life and rocking the shit out of them. Been poor all my life, might as well run with it! Haha! Although the DE is a great engine and I engine the peppy torque curve it delivers. A lot of people.. specifically the 240sx crowd.... bash on the KA and say RB / SR is the way to go. I say fuck that! Have fun with whatcha got! Oh, and to add onabout the sohc KA there was a guy somewhere on KA-t I believe that had proven on a flow bench that pound-for-pound the sohc flows better the the dohc head if larger valves are installed. All in all, I agree with Fat510, the sohc is just ascetically more pleasing. RB26 is the shit though... 1 Quote Link to comment
flatcat19 Posted June 21, 2014 Report Share Posted June 21, 2014 I say I'd prefer a single cam because I enjoy having the under-dog things in life and rocking the shit out of them. Been poor all my life, might as well run with it! Haha! Although the DE is a great engine and I engine the peppy torque curve it delivers. A lot of people.. specifically the 240sx crowd.... bash on the KA and say RB / SR is the way to go. I say fuck that! Have fun with whatcha got! I have read so many things about the potential the E has over the DE. The head is the key to all of this with the KAs. Hell, any car really. DE has no room left to work. Stiffled. The E has tons. Dollar for dollar, the E owns it in spades. The DE is more covered because more of these engines were available. Sure. But of all that I have read the E is a better engine in the end. Stock vs. stock-the DE hands down. Potential? No. 1 Quote Link to comment
mhub91 Posted June 21, 2014 Report Share Posted June 21, 2014 Give that man a cookie ^ He's on point. Quote Link to comment
Fat510 Posted June 22, 2014 Report Share Posted June 22, 2014 I tuned the SUs better now I have a little bit more power and low end torque and it doesn't do the weird studdering thing for right now. Maybe most of the problem was that both carbs weren't opening at the same time because the linkage doglegs weren't synched Quote Link to comment
mhub91 Posted June 22, 2014 Report Share Posted June 22, 2014 Can I tell you a secret? Even though I'm a mechanic and have owned plenty of datsuns.... I've never tuned a carb!! :-O Quote Link to comment
Raggleflaggle Posted June 22, 2014 Report Share Posted June 22, 2014 I want to learn the lost art of carb tuning. Quote Link to comment
Fat510 Posted June 23, 2014 Report Share Posted June 23, 2014 It is a handy skill, I tell you hwut. I'm no carb tuner guy haha Quote Link to comment
ggzilla Posted June 23, 2014 Report Share Posted June 23, 2014 Datsun carbs don't need tuning if you use the stock one. They only need adjustment. If you switch carbs for example putting L16 twin carbs on an L20B, then some tuning may be needed. Twin carb synchronization is normal adjustment procedure and not is tuning. Tuning is customizing the carb operation such as changing the jets or in the case of twin Hitachi the springs and needles. Quote Link to comment
Fat510 Posted June 23, 2014 Report Share Posted June 23, 2014 Datsun carbs don't need tuning if you use the stock one. They only need adjustment. If you switch carbs for example putting L16 twin carbs on an L20B, then some tuning may be needed. Twin carb synchronization is normal adjustment procedure and not is tuning. Tuning is customizing the carb operation such as changing the jets or in the case of twin Hitachi the springs and needles. Yeah, I'm pretty sure the ones I got were off of a L16 so the linkage had to be changed I like my Hitachi, it runs like a fuel injected car with I've never had to do anything to it Quote Link to comment
ggzilla Posted June 23, 2014 Report Share Posted June 23, 2014 Yes, the factory twin carbs run very smooth. Like EFI. Quote Link to comment
Fat510 Posted June 23, 2014 Report Share Posted June 23, 2014 Mine had the downdraft single, but last winter it was about 15 degrees out, I could crank it over for less than a second and it would be running without giving it any gas Quote Link to comment
robopineapple Posted June 24, 2014 Report Share Posted June 24, 2014 can some one please give me a right up on the oil pump on the l20? i have everything put together but it wont quite fire up. it sounds waaay better already. but it seems like it has the same problem as the last time i did my timing. so if someone wants to help me out it would be much appreciated! :D Quote Link to comment
Fat510 Posted June 24, 2014 Report Share Posted June 24, 2014 What's wrong with it? Quote Link to comment
ggzilla Posted June 24, 2014 Report Share Posted June 24, 2014 The oil pump won't fire up. Sounds defective? Is there enough oil in the engine? Quote Link to comment
bananahamuck Posted June 24, 2014 Report Share Posted June 24, 2014 can some one please give me a right up on the oil pump on the l20? i have everything put together but it wont quite fire up. it sounds waaay better already. but it seems like it has the same problem as the last time i did my timing. so if someone wants to help me out it would be much appreciated! :D http://forums.nicoclub.com/77-l20-advanced-a-tooth-confirmation-needed-please-t555816.html Here's what i'm thinking >>>>>>>>>>> PINEAPPLLLLLE!!! :lol: Quote Link to comment
ggzilla Posted June 24, 2014 Report Share Posted June 24, 2014 Nico is so slow. Not worth going there ... We have the same info on Ratsun and it works fast. http://community.ratsun.net/topic/58485-timing-issue-after-oil-pump-removal/ http://community.ratsun.net/topic/36154-l20-timing-problem/ Quote Link to comment
bananahamuck Posted June 24, 2014 Report Share Posted June 24, 2014 The one i posted was more of an explanation than discussion. Quote Link to comment
robopineapple Posted June 24, 2014 Report Share Posted June 24, 2014 Going to check my timing again when i get home! then adjust it all. Quote Link to comment
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