Engine & Drivetrain
Post messages here about engine mechanics, exhaust, intake, etc. Anything to do with the engine system as a whole.
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Hi all, This is pretty much my first time on a forum apart from a short time on rotary car club, so please excuse me if I do things a little wonky starting off. Anyway, I absolutely love s30's and intend on rebuilding one in the near future. I'm here to try and get started. My plans have changed over time from an ls swapped 300zx to a 350sbc swapped s30 to just realizing I wanted to retain the L platform in these cars and just go for lightweight, and great throttle response and handling with modest power. So I'm set on an L28 and after a bit of research here actually have come to the conclusion I'm looking for a p54 block with an n42 head in need of rebuild, or at leas…
Last reply by Kurbycar32, -
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Ever since I put the new exhaust system on (no resonator w/ flowmaster), every time I let off the gas the car backfires, sometimes loudly. If I'm careful not to stay on the clutch too long, I can accell through the gears with very little backfiring, but it's almost impossible to avoid when decelerating. What worries me is I've heard that backfiring can hurt your carbs and engine. A buddy of mine blew a cylinder in his 99 Ram pickup when it backfired. He showed me the piston today and the side of it was completely gone - SCARY! Am I putting my engine/carbs at risk by running the car like this? Anyway, I've been contemplating adding a resonator anyway. As is, the car is a…
Last reply by Chickenman, -
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- 19 replies
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I hadn't noticed anything wrong, but just had another person drive my car and he seems to think the gearbox is horible. This came as a shock to me, I have had the Trans gone through and have been driving it for 1500 miles, feels fine to me. So I'm asking you with way more experience than I, how would know if the trans is incorrect or if this individual just not used to driving these cars? Sent from my SAMSUNG-SM-G890A using Tapatalk
Last reply by DaveR, -
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Anyone have experience with the Itm flattop pistons? Im looking at Ry6134-40 for my engine. They are only 200$ on ebay.
Last reply by madkaw, -
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Where can i purchase a Throttle opener control valve and servo diaphragm for a 240z? My servo diaphgram is not working and i have been advised it will be need it to have the air conditioner system working properly once installed. Been searching on the internet in several sites but have not found anything yet.
Last reply by jalexquijano, -
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Hello everyone. Just trying to compute my compression ration with the motor i'm building. I purchased the full engine gasket kit from MSA, which ends up being a "Stone" gasket kit. I tried searching, but haven't come up with a thickness for the supplied gasket. The manufacturer website is useless it seem.
Last reply by HuD 91gt, -
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- 3 replies
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So today for the ump-teen'th time, I find myself putting a 5 speed on a L6 block on the shop floor. Usually goes pretty smooth. I use an old trans input shaft as a clutch disk alignment tool, really helps to get the splines lined up perfect. I hate those plastic POS things that come with clutch kits. Just not close enough. A set of wheels at just the right height under the trans tail to take the weight, SCHLOOOP on she goes. Usually...... But today being a full moon and all, and me being alone, I guess the planets don't line up and neither did my transmission with the splines and pilot bushing. After a couple of hours of cursing and sweating I gave up had to resort to a …
Last reply by Chickenman, -
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Take a look at the seals that were put on this E88 head. And 2 seals are not the same as the rest on top of that.
Last reply by siteunseen, -
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Hey guys, My dad and I bought a project 240z with the E31 head on it. Since this car is 23 years older than I am, could some of you maybe give me some insight of the pros and cons of this head? One site (http://datsunzgarage.com/heads/) says they are hard to come by these days...anything would help! thanks guys
Last reply by grannyknot, -
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Yes this is the second time around for the little L. And boy I have learned a lot and probably forgot a lot too! First time around the machinist/builder did most of the work. He dissembled and assembled the block and head and I put the two together. I degreed the cam and everything else to get it running. It's an early E-88 head on a stock P30 block .030 over pistons. The head had a full Schneider stage 2 kit-cam,springs,retainers,rockers. The engine ran very well and dynoed 155RWHP with SU's. But then I had some issues that i could only determine as valve issues caused by faulty rockers. here's where the learning comes in and hopefully no forgetting. I think my mac…
Last reply by siteunseen, -
- 2 replies
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Found this link from Facebook Datsun parts and needs. Thought I should post this here also for some reference shots. This guy has collected about 200 engine photos. https://photos.google.com/share/AF1QipOOstuMLWQ-T-nfkSMbw1tvyAboqyIZEECGlrSo1O7NPbcNEB-Of7X1-LCM-BVavA?key=VXlBaFpISGZBcTl1T1lTcVVuUEVwbWRwMkJPekdn
Last reply by Namerow, -
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Craigs List Portland, There's a fellow who has a torque plate for rent, that fits many different heads including Zs. $90.00-7 days, $150.00-14 days, $350.00 refundable deposit.
Last reply by madkaw,
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