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  1. megacab

    Open exhaust Hp gain?

    Thanks for the info guys.Didnt pull it after all,but ran this weekend at the track.It ran pretty consistent and made it three rounds into the final before i broke out with a 10.28@131 on my 10.30 dial.Car ran great,and had 1.44-1.46 60 fts.I wish i had a transbrake haha
  2. megacab

    Open exhaust Hp gain?

    No thats a good question.The car isnt certified for that speed.I have a jacket and just whats required to run in the 10.60 class that i was shooting for.But im not interested in running in the 9's just yet.Im just so close im curious if i can get there with minimal tuning.Once i get that time...
  3. megacab

    Open exhaust Hp gain?

    Seeing what the consensus is on open exhaust.Im going back to the track next week,and would like to pull my exhaust for some et gain.Last time at the track the duster ran a [email protected] was with a full TTI exhaust,3 inch with an x pipe,magnaflow muffs and the rest of the exhaust over the axle...
  4. megacab

    Which oil pump

    Thanks for the input.I was just going by what i read in the Big inch small block mopar book.If im using a straight 40,what would be a good weight to go to?Stock clearances.I have been shifting at 6900,but Ryan at Shady told me to try shifting at 7200.Thats where they shift their W headed...
  5. megacab

    Which oil pump

    Thanks guys.Thats what i was worried about.Well if the engine comes out again,hopefully not for a while,i'll change back.That 20 hp i might be losing might get me closer to a 9 second pass,but as long as its not bad for it i'll leave it as is.
  6. megacab

    Which oil pump

    Hey guys whats up?Had an oil pump question.When i had this motor apart last month i replaced the oil pump.I previously had a standard volume with a high pressure spring.When i pulled the engine apart for a knock(camshaft)i ended up remachining the whole block.I replaced the standard with a high...
  7. megacab

    FINALLY IN THE 10's!

    Hey thanks Dyno.Motor is a 68 340,3/4 block fill,Hughes stud girdle,Scat forged crank,Eagle H-Beams,Ross 14.1 forged pistons,Shady Dell prepped W-5 heads with 2.08/1.60 Ferrea valves,Isky tool room springs,Bullet 712/698 roller cam,ATI damper,Indy intake,MSD billet distributor,Harland Sharp 1.5...
  8. megacab

    FINALLY IN THE 10's!

    :burnout:Hey everyone.just wanted to say thank you for answering all the questions i had lately.But they paid off.Had a knock in my motor,which turned out to be from installing a fuel pump excentric washer that was too shallow,allowing to much camshaft end play.Luckily we caught it before too...
  9. megacab

    Main Bearing Clearances Too

    I also realised that my pump was just a standard Melling with a high pressure MP spring kit i installed a while back.So im going to grab a high volume
  10. megacab

    Main Bearing Clearances Too

    Thanks moper.Trying to get to that thing tonight.Work hasnt allowed much time on it lately.
  11. megacab

    Main Bearing Clearances Too

    I believe they said the way the small block skirt is on the bottom there wasnt a need.He said leaving out the windage tray has made more power everytime in everyone they have tested.Being they build tons of radical smallblock Moars making awesome power i took their word.But i had it in...
  12. megacab

    Main Bearing Clearances Too

    Thanks Moper.I'll get on that.Think i'll have to remike everything,or should i be ok with the .001 oversize knowing that i miked everything a month ago,and that putting these in will bring it into specs?Thanks again.Have to get this thing ready for the Pinks All Out in September so we can keep...
  13. megacab

    Main Bearing Clearances Too

    No full grove mains and the passages havent been enlarged.Well i guess i'll order some +1 bearings.Any recommendations on bearings?The ones in there now are part# MS540HX for the mains and # CB481HXN on the rods..0040-.0043 on mains and .0039-.0042 on the rods.Thanks guys.I believe their Clevites
  14. megacab

    Main Bearing Clearances Too

    ill try to get some pics for you.I have a high volume pump and milidon 8 qt pan with their pick up tube ect.i had a windage tray but discussed it with Ryan at SD and he said leave it out.I did.And the pressure never drops below 35-40 at idle.Of course idle is 1200
  15. megacab

    Small block bearing clearances

    Actually this time the bearings dont show any signs of heat.last time at the tighter clearances they were looking kinda rough.The bearings right now are a hard,coated race bearing.Also narrow.Last ones were wider and champfered.These are just narrow.So am i hearing leave them as they are,that...
  16. megacab

    Main Bearing Clearances Too

    Also found the reciept for the mains.They measured .004-0043.Whats max on these?
  17. megacab

    Phantom Knock

    Thanks Longgone.And i agree on the locktight.For sure.
  18. megacab

    Small block bearing clearances

    Just had to pull down my new motor for little problem that luckily was avoided.But now that its got the pan off,i was thinking about the clearances.The last time i had the motor apart it went back together with the rod bearings at .0026-.0028.When i pulled it apart this time to go through it the...
  19. megacab

    Phantom Knock

    Sorry you guys.Thanks for the input.I've been pulling the motor.Pulled the pan and it was spotless.Pulled the rod bearings.Perfect.Thrust clearance,.006.Couldnt find anything until...i looked in from the bottom of the timing chain cover,reached in with a screwdriver and found slack.I have a...
  20. megacab

    Phantom Knock

    Thanks jaws.Would that piston rock go away after a minute or so?If the car sits overnight and you fire it,its loud when you start it.If you fire it up a few times it progressively gets quieter.I fired it 4 times the other day to listen to it,and by the 4th time it was pretty much gone.Engine...
  21. megacab

    Phantom Knock

    Went out to start the car the other day and thought i heard a knock.It went away fast though and didnt come back,so i wasnt sure what i had heard.Tonight went out in the garage and fired it,and yup,there it was.Car was cold so it was idleing rough,and it seemed the lower the rpm got the louder...
  22. megacab

    Roller cam idle RPM

    Thanks Moper.I understand what your saying on the oiling mod.Would have been a worthwhile mod to make while i was in there.As for that lifter,its actually the rocker that was notchy.The easiest way to explain i guess would be that you know how when the valve cover is off,you can grab a rocker...
  23. megacab

    Roller cam idle RPM

    Guess i better look at that mod then huh.Im always stressed out about turning it 7000 rpm lol.That would have to help.Yeah Ryan had those lifters made and ground the cam on a small base circle.Seems to work fine.I thought i heard a knock for a second yesterday(I HOPE NOT!)and pulled a valve...
  24. megacab

    Roller cam idle RPM

    Thanks for the info Moper.I didnt set out to build the motor this radical.Was just going to build a warmed over stock stroke 340 if you can believe that.But in a quest for that 10 sec timeslip things snowballed lol.I think with just a few changes,fuel system ect i would have had the old combo in...
  25. megacab

    Roller cam idle RPM

    How often are you guys checking your lash on rollers?I know its good to keep up on it anyway,but how often should i be pulling the valve covers?Thanks for being patient.Never had this radical of a motor before,and i dont want to tear into it anytime soon.Im trying to make it live for awhile at...
  26. megacab

    Roller cam idle RPM

    Thanks guys.That shed some light on it.Thanks for the compliment on the engine.The car is pretty ugly right now being its in primer,and i see alot of guys snicker at the local donut cruise lol.But id like it to run like a bat out of hell before i clean it up to much.Ryan chose the cam after...
  27. megacab

    Roller cam idle RPM

    Oil pressure in park cold is 80.Once it warms up it stays around 65 to 70 in park but goes back up to 8o with rpm.In gear warm(around 900)it drops to about 45 but once again climbs back up with rpm.
  28. megacab

    Roller cam idle RPM

    Yeah your right about the converter.Its a Turbo Action 3800-4200 that i bought from a friend that was running it behind a 440.Havent had it on the track,and im not sure what it will foot brake to.I do know it was a tight converter.I have a Turbo Action reverse manual valvebody also in it.From...
  29. megacab

    Roller cam idle RPM

    Hey everyone.Hope all is good.I was hoping you could shed some light on the idle speed i should be running in park and in gear.The engine is a fresh combo,and it now has a 712/698 lift,276/280@50 duration Bullet roller in it.Im running a dominator and it's got 14.1 Ross slugs in it.It doesnt...
  30. megacab

    Wrong Combo Update.10's?

    Thanks for the moral boost guys haha.Have missed two track days now due to side work.Car feels extremely fast driving around,but of course they always do on the street.The dominator hates idleing and driving around at low rpm,but man, when you crack it open things happen in a hurry!Feels MUCH...
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