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  1. Cudapete

    Help with pre ignition ping

    I totally agree with you guys that the ping needs to be eliminate immediatly, and I agree it will defineatly destroy the motor we just wanted to try everything we could without a tear down first.The only info I got yesterday was what I posted but I do have an update... He set the timing to 35...
  2. Cudapete

    Help with pre ignition ping

    So a little update on my buddys issue. He talked with the engine builder and he told him that the pistons are custom made wiesco High compression pistons with valve reliefs. to get the compression "down" they used a .090 gasket and the X heads. to get it close to 10.5 :1 The motor ran better...
  3. Cudapete

    Help with pre ignition ping

    thanks guys, to answer a couple things the 32 advance is with the vacuum disconnected and plugged off. The car doesnt ping nearly as bad with the timing at like 25 degrees advance @ 2800 but the ping never fully went away.I beleive the cam is some where in the 545 lift/ 240 dur but I cant be too...
  4. Cudapete

    Help with pre ignition ping

    A friend of mine has a 372 (340 with 360 crank) for his 69 barracuda. He bought the motor from a guy who was going to put it in a rail or something. Any way they changed the heads,cam and intake to get to a street friendly 10.5:1 comp when he decided to sell it to my friend.The motor has a air...
  5. Cudapete

    proper rocker adjustment

    Thanks guys just wanted to be sure!
  6. Cudapete

    proper rocker adjustment

    I think i'm overthinking this so I thought I'd ask. My 408 has comp roller rockers with a comp hydraulic cam, When I go to set the rockers whats the proper adjustment. I think the last time I had them off I tightened the nut till the push rod stop being able to be rotated then went a 1/4 turn...
  7. Cudapete

    Port my own heads?

    So got a few old questions still unanswered and a new one 1) Anybody know where I can get a decent set of 1" 7/8 headers for maybe $500 or a little less? they dont have to be ceramic coated. 2) What is the proper torque for a small block oil pump and is a dab of blue loc tite on the threads...
  8. Cudapete

    Port my own heads?

    Yeah I am aware of the small tube header issue, several people told me to go 1 7/8 " which I probably am gonna do at some point just so far the a good set are like $700! The hookers and the TTI exhaust were new when I got the car so I reused them. Anybody know where I can get a decent set of 1...
  9. Cudapete

    Port my own heads?

    Brian, no sweat on the gasket I was just wondering the reason for it ,I've never used one cause i could never find a place to get a new one and they never come in a gasket kit yet always there when I've torn an small block down, however I am still curious what the actual torque spec of the pump...
  10. Cudapete

    Port my own heads?

    As it stands now I think I 'm gonna go with the M-1 with some mild porting and keep the 3.55's and take it back to the track with some good slicks and really hammer it and see how it goes. A little off the subject but this came up in a conversation not too long ago. Every small block I 've takin...
  11. Cudapete

    Port my own heads?

    Yeah it felt like the car was swaying back and forth a lot! I kept feeling like I was gonna lose it and smash the wall. The slicks we're m/t ET drags, that were 14" 28 x 9's I was running 15 lbs in them if I remember right. They were really whipped though I borrowed them from a friend just to...
  12. Cudapete

    Port my own heads?

    First off thanks to all for the advice and I'm certainly not trying to argue with any ones answer but am just asking some more questions because I have the motor out and would like to get the most out of it. I dont want to regret not doing as much as i can and having to pull it again to do these...
  13. Cudapete

    Port my own heads?

    Been thinking about setting up another center section with some 3.91's or 4.10's and planning on getting some brand new slicks eventually too. The reason I am interested in putting the single plane on with the porting and possibly changing the cam is this motor is done at 5800 and I'd like to...
  14. Cudapete

    Port my own heads?

    So I'm no where near ready to do this, However thought I'd research now while in the body work stage. I have a 408 stroker for my dart that is 10:1 KB forged pistons, scat rods edelbrock heads (right out of the box) with a set of comp roller rockers and a comp cam .545 int/.545 exh &241 int/ 247...
  15. Cudapete

    Told my Cuda has a Stroked 318?

    I've known Brad for years we live in the same town and I can honestly say this car is nothing less than gorgeous! He most certainly got the better deal!I've been trying to borrow his horse shoe for a while!!
  16. Cudapete

    408 breaking up

    Yeah I guess I'm used to high reving 340's and I was so preoccupied with the breaking up that I didnt pay attention to the fact it was flattening out until I could get it to go to 6000. I'm just really glad I got it resolved thanks again to all who helped out. pete
  17. Cudapete

    408 breaking up

    The issue with the plug was with the boot it had a small burn mark in it and was arcing against the valve cover I was pulling the plug wires one by one to see i had a dead cylinder and that one bit me I was using wire pliers too and it still got me The wires checked out in a continuity test but...
  18. Cudapete

    408 breaking up

    SO I think I've got the issues resolved though there wasnt just ONE thing that caused it. Any way I talked to blueprints tech department and comp cams the other day and they both told me the xe285hlcam in a stroker is only gonna be good to around 5800ish and after looking at the dyno sheet and...
  19. Cudapete

    408 breaking up

    I've followed everyones advice and done them all one at a time and so far no dice.I was convinced I had an electrical problem too but after changing or replacing every electrical piece and following every wire end to end I confident its not that. The only thing I havent done so far is change the...
  20. Cudapete

    408 breaking up

    I completely changed the wires with new ones and still have the issue.As far as the carb i'm a little new to holley tuning and have tried to follow and try the advice I've gotten here I will check out the power valves next, my question is will the power valves cause the timing light to flash...
  21. Cudapete

    408 breaking up

    latest on the engine issue is I pulled the valve covers and checked the springs also reset the valves just to be sure and still ran rough from idle thru 2200 and broke up up high SO I pulled the carb apart and it had 75 jets in the front and 78 in the rear so i stepped up to 78 front and 82 rear...
  22. Cudapete

    408 breaking up

    So just an update on whats going on at this point, I now have a small annoying surge or miss at low rpms and speed and it breaks up at 6000 I went and checked all the ideas that everybody's had so far. I've checked the plugs ,changed the coil,turned up the fuel pressure to 7.5 psi, took out the...
  23. Cudapete

    408 breaking up

    I appreciate all the advice guys I guess its time to see what is in this carb for jets etc(maybe I do need a bigger one) but I've got a jet kit so I will try that first I'm definetly gonna check out that web site. BUT is it possible that I have an issue with that box(also) I do know of one other...
  24. Cudapete

    408 breaking up

    So good news kinda bypassed the box and the car pulled hard to 6500 now I've got a small hesitation (surging?) @ like 2200 around 30mph tomorrow gonna try a different coil and possibly a distributor if that doesnt cure it .
  25. Cudapete

    408 breaking up

    if thats not it i'm thinkin of tryin another distributor. Forgot to mention that plugs looked good no spark jump in the cap either.
  26. Cudapete

    408 breaking up

    I've heard of that before never gave it a thought thats anothe reasy one to try. I 'm leaning more towards a electrical issue for now as i've got a miss even cruising @ 30 40 mph @2000 rpms. The more I think about it problem was not there before I installed the box.Last year on my relatively...
  27. Cudapete

    408 breaking up

    That sounds easy enough, I'm gonna pull the plugs too just to see how they're lookin. If nothin else a good excuse to make a couple passes down the local back road!
  28. Cudapete

    408 breaking up

    I only plan on running this cam until the warranty runs out then I plan on some extensive port work, a victor or M-1 single plane manifold, and a much larger hughes solid cam, and some 3.91's. I know this thing isnt making power up there and I'm shifting it more like 5500 right now but even if I...
  29. Cudapete

    408 breaking up

    Thanks for all the advice guys. To answer all the questions here are the specs right from the blue print site. also my carb is a Holley 4150 series race carb #hly-0-9379 in the summit catalog , my fuel system consists of a 1/2 " fuel line from the tank to a holley electric fuel pump then 1/2"...
  30. Cudapete

    408 breaking up

    I have a blueprint engines 408 stroker in my 68 dart. Its has 10.1 comp, edelbrock aluminum heads, comp roller rockers, a comp hyd cam and a air gap intake, The trans is a coan and has a coan 3500 converter and 3.55 gears with a summit brand electronic box with rev limiter and a pro comp...
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