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  1. Ksport coils: delivering plenty of dissapointment

    K-Sports force vs displacement K-Sports force vs velocityThat dyno plot is 2 years old. They say the internals have changed since but many still consider them as an expensive set of pogo sticks.
  2. What size tap to chase the head bolt threads in a 6 bolt? Do you even do this?

    For cleaning and fixing minor cross threads, you need a chaser not a tap. Running a tap will visciously cut the undamaged thread and weaken it. Don't worry about the lubricant, use cutting oil, engine oil, or even WD-40, whatever is available. Just make sure to clean the holes afterwards.
  3. Jay Racing water pump block off plate w/ 16-AN weld on fitting.

    Not much to say about it's function as it's just a block off plate. It sealed fine for the short time I had it on before replacing it with a half inch thick block off plate. I'm posting to show the "quality issue" as it's written in the parts review/feedback rules. Picture speaks for itself...
  4. Waterpump is junk after 2k miles

    In general, any restriction in flow(bad tstat/water pump...) and fan problems will overheat at idle and get better when you drive as the coolant/air flows more. Loss in pressure(bad cap,leaks) will overheat at idle and get worse if you drive. Overheating under load would suggest an insufficient...
  5. Right way to measure Piston to Wall clearance?

    No, "clearance built in" means when you buy 20 over pistons for 3.366(85.5mm) bore, the pistons are made .004 smaller and will measure 3.362. Pistons are not made perfect, so if you find some are 5 tenth smaller, then you need to factor that amount when boring the block.
  6. Right way to measure Piston to Wall clearance?

    You're forgetting pistons have the clearance built in, usually .004. If your pistons measure 3.359X, then even if the machinist bored it exactly 20 over you would still be left with .007 PTW clearance. That's why you need to measure the pistons prior to boring the block to account for...
  7. Right way to measure Piston to Wall clearance?

    What was your wall size again? 3.45 can't be right...
  8. 2G Transmission / tranny bolt size, length, pitch, location, part number and pictures

    This applies to both AWD & FWD, M/T & A/T (97+ A/T uses MF140271 for the "U" bolt). Thread pitch are all 1.25mm.V (MF140471) : M10 x 65mm U (MF140266) x 2 : M10 x 40mm Y (MD740892) : M10 x 43.5mm Q (MD706012) : M8 x 60mmThe Q bolt (red arrow) is the only bolt that goes in from the block...
  9. [RESOLVED] Why 2 high speed relays for fan?

    As long as it doesn't bridge the other Hi relays to the ecu, I can't see why not. Never did understand why autos use Lo2 to ground the Hi speed rad fan motor...
  10. [RESOLVED] Why 2 high speed relays for fan?

    It's Rad Fan (Lo2) for the automatics. ECU pin20 grounds Condensor Hi and Rad Lo2. Just a blank for the M/T.
  11. KW variant-3 coilover piston shaft & spring inner diameter?

    I'm getting nothing from kw-usa. Anyone or any shop that have these for the Eclipse?
  12. Can't Align Hone 7 Bolt Block!!!???

    Tolerance for the main bores are 2.4016 - 2.4024. 1 thou for OOR are typical and half that range for any performance builds. At the parting line it doesn't matter as much. Align honing will give tolerance within 2 tenth and a true alignment, so it may not be needed but highly recommended. If you...
  13. Right way to measure Piston to Wall clearance?

    Wiseco are measured 1.300" from bottom of oil ring groove, 90 degrees from wrist pin hole. A feeler gauge is about worthless though. Use a micrometer/bore gauge!!
  14. Can't Align Hone 7 Bolt Block!!!???

    If you bore the mains larger side-to-side then the block is junk. Oversized bearing on top of that then you're left with no crush and no oil clearance.If the mains are in spec then you don't "need" to align hone the mains to use ARP studs. Did the machine shop find the bores too out of round...
  15. New valve spring compressor that might work

    Here's a nice valve spring compressor I found being used at a Hyundai service station. Mounts without any tools, access 4 valves at a time, comes with an air check valve and an automatic retainer lock installer. One pull and you're done. Makes the job effortless without pulling the head...
  16. ARP head stud nut hitting valve spring seat

    They're the correct studs as it's the same as my oldy. I would have never noticed the gap if it wasn't for the retainer lock installing tool. It wouldn't work for that one corner and I found out why. I tried installing the nut again and the seat just climbs up while the nut sprials down past the...
  17. ARP head stud nut hitting valve spring seat

    You all know we have an issue with the standard ARP head stud washer and nut interfering with the valve spring. Most lay the washer before installing the head and just force the nut past the spring and let it strip past the spring seat. Well I did too until I saw what happened trying to figure...
  18. Exhaust flex section needed in this case?

    I do recall the hangers ripping off with a portion of the piping back in '03 when they had an issue with the earlier made exhausts but nothing afterwards. I don't know if you're talking about recent events but seeing how they still don't have flex couplings on their std exhaust and manage not be...
  19. Exhaust flex section needed in this case?

    It's been 5 years since Buschur Racing has been selling their EVO exhaust without a flex section and doesn't use the factory ball-socket type joint at the O2 housing either. I don't think they had a single issue with their exhaust cracking. They do use slip joints but I can't imagine it being...
  20. 2G clutch line fitting

    1.25mm pitch will not fit on the m-cyl and you need to use an inverted flare fitting commonly used in brake lines for a tight seal. For the line size -4 AN would be the way to go. As most -3 AN Teflon lined SS braided hose will have a similar I.D to the stock line but the nipple on the hose end...
  21. 2G clutch line fitting

    You can use -AN male to 3/8-24(10x1.0mm) inverted flare male brake adpaters for the master cylinder and the rubber hose.Unless you have reasons to retain the rubber line/reservior assy just bypass all that and connect it directly to the slave cylinder with a 3/8-24 banjo fitting. The stock...
  22. Turbo coolant lines revisited

    No. Nothing special about the water passage *inside the center housing.On a side note. From garrett's website... To minimize the effects of heat soak-back, water-cooled center housings were introduced. These use coolant from the engine to act as a heat sink after engine shutdown, preventing...
  23. Fidanza Flywheel flexes with a ACT 2600???

    FWD and AWD starter motors are same while m/t and a/t starters differ. The m/t motor has a longer cover that protrudes deeper into the transmission.
  24. Which front water pipe?

    Use the thermostat for the turbo water feed regardless of what year thermostat housing you plan on using. The water pipe is for the return line. The n/t pipe can't be used unless you T into the heater return hose.:beatentodeath:
  25. Oil cooler for a N/A filter housing...

    The "sandwich" stock water/oil cooler is the same for 1g & 2g.
  26. Oil cooler for a N/A filter housing...

    The n/a housing having no thermostat renders it useless for an external air/oil cooler. Getting a '90 turbo OFH would be easier and trouble free.
  27. 2G AWD fuel pump assmebly questions

    The bottom line in the picture is the return line. Upper is the suction hose coming from the other hump of the tank.The plastic thingy connects the two and lets the return flow draw fuel from the other hump acting as a siphon.
  28. Clutch won't adjust, input needed.

    You are asking for what can be done to a mechanical clutch. Hydraulic clutches simply does not work that way and can not be manually adjusted the way you want it to be due to it being self-adjusting.You can only do two things to lower the disengagement point (1)lower the resting pedal...
  29. Too much clearance in mains? (I need machinist's opinions)

    The standard value for the 6bolt main journal O.D is 2.2433''-2.2839''. So your crank is in perfect condition. Chase the threads, wipe clean the surface and recheck with a torque wrench known to be in good calibration. Better option would be to use a dial bore gauge to check the clearance and...
  30. Titanium retainers vs Steel retainers [Merged 9-9]

    We're stuck with the 6AL-4V while some of the honda gets Ti-17. Nothing strange considering you rarely if ever see someone from the dsm community complain about their Ti retainers. Whether the issue is there or not I wouldnt know. I atleast had no problem with crowers.
  31. Titanium retainers vs Steel retainers [Merged 9-9]

    Unfortunately it does have it's disadvantage. It isn't uncommon to see wear/thinning of the retainers. Some manufacturers have since moved on to the harder Ti-17 over the 6AL-4V and some even went further and nitride/coat their retainers(supertech,JUN...) to address this problem.
  32. Titanium retainers vs Steel retainers [Merged 9-9]

    To control the springs better in high rpm range you can either put heavy pressure springs or lightening your valvetrain. The later would be the better approach since it has less side effects but there isn't a whole lot you can do for the 4g63 to reduce weight except Ti-retainers. By going Ti you...
  33. Will a 2g thermostat housing work on a 1g head? [No]

    No. While the rear 2 holes line up, you can't make use of the front two mounting holes on the 2g thermostat.
  34. .25 oversize or undersize? Same thing?

    When people say 10 over it means ten-thousands of an inch( 0.010"). So thery're referring to 0.25mm.
  35. .25 oversize or undersize? Same thing?

    I'm sure they meant .25mm not inches. 0.25mm increment is usually the standard.Undersize would be the correct term since it is used to identify the inner diameter of the bearings. The more you grind off the crank the smaller inner diameter bearing you need. People do mix use the term. You...
  36. Mahle vs Wiseco

    Unless the tech I talked to doesnt belong at Wiseco, they never had 4032 forgings for the 4g63t. This is long before the 1400HD came out.
  37. head gasket (o-ringed)?[Merged 2-7] o-ring oring block

    You can o-ring the block or the head(al.) and install any o-ring material. It's just a preference. When you o-ring both the block and the head that's when you use the head as a reciever groove with o-ring material installed only on the block side.FWIW,Buschur o-rings the head only and uses...
  38. reasons for tire skip on bumpy roads?

    There's no wallowing. When going over rough surfaces while the car rattles to death it would abruptly feel loosing forward movement and jerks forward when regripping the road. Thought this was a good sign for the dealers to sell you new shocks.It has stock springs / KYB gr-2s. I can rule...
  39. reasons for tire skip on bumpy roads?

    I started to notice my tires skipping on bumpy roads & going over pot holes. The rpm would suddenly blip up 2~300rpm going 10mph when I hit a small bump and it got worse pretty fast. I didn't overinflate the tires so I assumed my front shock were dying and the wheels were bouncing. I finally...
  40. Belt squeel, only when just starting up car though.

    I had cold start schreeching and some variance maneuvering the steering wheel but disappeared once warmed up. Tightening the belt did the trick but not for long. I later found my alt belt KIA.
  41. Head gasket which one?

    Surely KarKing's resurfacing(if at all) doesnt meet the requirments for a MLS gasket. I'd stick with arp's and a stock composite gasket as it has held well for me and a lot of folks on this board. IMO there's no place for a copper gasket on a daily driver unless you like it wet.:)Whatever...
  42. 2G 97+ GSX steering rack & pinion difference?

    Except for the lwr comp arm, rack&pinion the '96 '97 seem to share every part of the front suspension(tie rods,cross member,lat arm,hub,steering linkage/joint...). So would it be safe to think that the 96 rack will physically fit the 97?Would there be any reasonable explanation for the...
  43. 2G 97+ GSX steering rack & pinion difference?

    I noticed the 97+ gsx has a different factory part number.97-99 gsx rack & pinion: MR244347 95-99 rs gs gst, 95-96 gsx: MB910690beck/arney remanufactured units doesnt even list any for the gsx but a1-cardone's remanufactured units list one part number for all 2g's. I need to buy a...
  44. How to tell what year the xfer case is?

    Open up the 5bolt side cover and the drive gear will just slide out. It should have 27 teeth. The driven gear has 29, which makes for a 1.074 ratio on the 97-99 tcase. I don't know of any outer appearance difference. 4G63 Turbo | Eclipse manual transmission swap-treebonker
  45. Transfer Case for a 93 TSI Compatiable with 2g Transfer Cases?

    Outer casing is same for 1g 2g. (early 1g came with an aluminum gear housing) All 2g's have 23splines, 1g came with 22~23 depending on make year. Auto and manual t-case are different both in shape and gear ratio. 1g& early2g(-'96) have different gear ratio compared to '97-'99.I think that...
  46. 1g Tensior arm in a 2g..help!

    Both the tensioner and the arm should be from the same gen. Using 1g components will save you a lot of hassle. The only down side is you will no longer be able to make use of the timing belt tensioner tool as the hole in the 2g mount no longer lines up with the tensioner arm.Join the yahoo...
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