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Hey guys, I've had this little small block in and out many times with various combos and rebuilds and along the way I've never had an oil leak that's acted like this one so maybe you could help me out. This is bar far the worst oil leak I've had, shut off the engine and got the dreaded drops...

Just curious what you guys run for comp rocker side clearance. Street/strip car. I've searched but I mostly get details for aluminum rockers not steel. TIA.

Well switched from PRW to Comp pro magnums for my new turbo 408 setup. The geometry on the prws were actually better then the Comps. Anyways is this too far out or not too bad? I've already messaged Mike @ B3 waiting to see what he says. O yah. Solid flat with 600 lift.

Ok guys, budget rocker question. I know there's other badass brands out there that's are superior but being Canadian and with the doller in the toilet they are out of reach so.... Between PRW Stainless 1.6 rocker or Comp pro magnum 1.5 rocker what would you go with?? 408 single 80 mm. Custom...

I know this is a place you don't wanna skimp out too much but what's a good street/strip SR lifter? Im switching to a solid (never ran one before) and want to make sure I get the correct part. I just started to research this topic and noticed theres alot more to it then I thought....some require...

Hey guys so I've decided to make some big changes to the 408. Finally gonna ditch my hydraulic flat tappet cam and go with a solid roller. Ive yet to decide on the Lunati 40200734 or a custom grind from bullet. I'm also going to be ditching the PRW aluminum 1.6 roller and upgrading to either...

Hey guys I'm still learning alot when it comes to valve train geometry ,so bare with me. I'm still having an issue with valve float @ 5800 after installing new springs and I wanna make sure the springs I installed were the correct ones for my application, and if I even did it right. First of all...

I’ve know there are lots of threads on balancers but lots of them are old.So thought I’d ask and see which you guys prefer now that more people are using these balancers. Internal balanced 408 nitrous stroker seeing track days from time to time

Hey guys hoping some of you spark plug experts can help me find what I’m looking for. My problem is my 408 eddy headed is going to be sprayed with a 150 shot, so I require a cold plug that’s NON Projected. Easy enough, but I also run a self learning efi system that requires you to run a resistor...

Alright guys I'm really not sure what power this engine will make once I get it back together. I'm thinking of going with a fitech efi system (600horsepower rating) but don't want to have to spend the extra money for the 1200hp system if I don't need it. Curious what horsepower you guys...

Need help trying to find a reliable rocker set that won't break the bank. I was told about PRE and speedmaster, but 95% of people say to stay clear of that garbage. So what's my next choice? A rocker set that is not stupid expensive, but won't be junk. Would like to go 1.6 ratio

Ok guys. I really don't know much about this stuff. I've been reading and trying to learn but thought I'd ask you guys for help. Ok here's what's going on. My old 340 10:1 (with ootb eddy heads and lunati 60405 cam (242/252 @50 533/552lift) hAd no valve float. Could wind that's ***** out...

I know it's been beat to death and dual plain is ussualy better then single plain , but everyone's combo is different so I thought I get your guys opinions. Will a victor or a m1 be a better match for my set up. This is a street/strip car. Not a daily driver, sees weekends and the odd car...

So my new 408 has a scat internal rotating Assembly, but I have a nasty shake. I'm still using a stock damper, is this wrong? No matter what I do I can't find what's causing it. Only at idle, or slowing down while driving(coming to a stop). Motor mounts look good I also have a torque strap...

Ok guys I have a new problem for ya. My new 408 stroker comes apart around 63-6500rpm. It's almost like hitting the rev limiter but more nasty. The weird thing is it almost seems to come and go. Before my engine was a 340 with the same top end and camshaft and I never had this issue. I'm...

I got my 408 together and once the engine is heated up good and been run for while the engine shakes bad at idle. I've been chasing this problem for a while and noticed when I pull the pcv and plug it, the engine smoothness right out. It only shakes when the engine seems to be producing blow...

Just getting ready to fire up the new 11.5:1 compression 408 that will be seeing a 100-150 shot. Aluminum Eddy headed. I'm curious what plugs (part #s) have Been working for you guys. Trying to decide a heat range Thanks

So I've started a new engine build for my 71 duster. The 340 has issues beyond repair so now it's going to have a 408 stroker. Here's the specs. Scat forged balanced rotating assembly. Flat top 11:1 compression Eddy rpm heads Air gap intake Lunati cam 242/252@50. 533/552 lift. Hyd/flat TTI...

Hey guys , I have a old problem from last summer that I haven't addressed yet, my 340 duster seems to be a slug off the get go for whats been done too it. I've yet to take it to the track (this summer I will get you all times) I've only tested lightly on the street, and from a stand still, on...

Hey guys. My 340 with a lunati cam 60405 is producing low vacuum like my old garbage thumper cam. I'm just curious if it is normal to get this low of vacuum. In gear at idle ( around 900 rpm) I'm pulling 4.5-5" of vac. Details of engine ect. Are: Eddy heads. Holley 750 street hp Air gap...

Hey guys Yesterday I went to a car show, and we got stuck is bad traffic for just about and hour. It was pretty hot out, and my temp got to about 200, half way to the car show. The engine reached 212 and stayed at that temp till I reached the show. When I was pulling into the show at idle...

Alright guys, were pretty sure I melted my cam on my newly built 340. I didn't like the old cam anyways. Gonna stick with hydralic flat tappit. My engine builder still has to tear it down to be a 100% sure, but I'm gonna get a jump on it and start asking you boys. Here's the set up. 340 .40...

What one did you choose? Fast, atomic msd, holley terminator, ect? And was it worth it

My newly build 340 has a nasty shake/rough idle at idle. Details of rebuild: Balanced .40 over 340 Comp muthr thumpr camshaft Eddy heads Air gap Holley 750 hp dp All new ignition including wires and msd billet distributor I have the timing set at 19 initial. + the lowest 18...

So my new pumped up 340 has been killing me running way to rich. I and lots of you on here have been trying to figure it out for the last month. Did some messing around with the carb ect. And seemed to fix it. Well today I flashed her up and the car was sooooo rich my eyes were burning. I...

Ok so I've already spoken to some of you guys about this problem in the race forum and still have no luck. So thought I would start a new thread over here. I've just had a new engine built and installed and here are my specs. Balanced 340 .40 over. ( just over 10:1 compression ) KB hypo Eddy...

Hey guys just curious what spark plug (part#) I should be running on my 340 with eddy heads and a 100 shot of nitrous. And what gap as well. Btw the engine is just above 10:1 compression. Hypo kb flat tops. Thanks a lot guys

Just curious what you guys think my e.t might be...here's my set up 1971 Plymouth duster 340 bored .40 over Balanced Comp 287th7 .497 lift cam J 2.02 heads port and polished Arp hardware Edelbrock air gap Tti headers Holley 750 Msd digital 6 with 2 step 100 shot of nitrous (super...

Hey guys, I know how nitrous works but I dont know what needs to be done to a engine before you should start using it. I'm talking about a plate system. Or how high of a shot can you go before you need certain work done. I've never used it before so just curious Thanks guys!!

71 340 block Bored .40 over with hypereutectic pistons (balanced) J heads 2.02/1.60 with port and polish Comp .497/.287 287th7 mother thumper Edelbrock Air Gap Holley 750...hvh s/s spacer MSD 6AL 2 TTI headers w/ x pipe Mildon pan Just seeing what I might be at