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  1. J

    11 second dart help

    I went 12.5s @ 105 in a 71 swinger, Junkyard 360 magnum, 4.10 gears, PTC 2800 stall shifting at 5000. Thats how mild it was. Juiced it with a 125 shot & went 7.4s @ 96 in the 1/8, I had to back off the throttle a bit on that pass, That 383 should run 11s with no issues. Now on my 75 Duster, Had...
  2. J

    how much nitrous will a stock magnum motor take

    Most were hyp. if not cast. What really takes a beating are the rod caps & bolts, especially if the pistons are heavy. I pulled apart a factory 440 that had a stock bottom end, it had several 175 shot passes on it, when i tore it done, the caps slipped right off the rods. Not saying the...
  3. J

    how much nitrous will a stock magnum motor take

    Thats why it still amazes me why some will still play Russian roulette with it.
  4. J

    how much nitrous will a stock magnum motor take

    No necessarily in a 1990 corvette if the engine was factory.
  5. J

    how much nitrous will a stock magnum motor take

    Have you ever seen what happens with a bottle explodes or...........Ain't pretty.
  6. J

    how much nitrous will a stock magnum motor take

    No set in stone rules, but there should be 2 in my book. No warming bottle with torch. No loose bottle in car.
  7. J

    Anyone try these distributors?

    Ok, he's talking about the "ready to run" that uses an external coil, not the HEI.
  8. J

    how much nitrous will a stock magnum motor take

    Nah, make it 300 & add 20* lol. Ok, seriously, I'd start with a 100 shot & pull about 4*, If you run a dedicated fuel cell up front with an elec. pump strictly for the plate, I'm sure you can get away with 150, but i wouldn't go passed that, run 110 in the cell & premium in the tank for the...
  9. J

    Anyone try these distributors?

    All you hook up are 2 external wires, 1 to the "BAT" 12v & the other is coil, it should say it on the cap, the other 3 are pre-wired from the dist. & it clips into the cap. DO NOT run a separate wire to the chassic & ground the distributor!!
  10. J

    Anyone try these distributors?

    I have used 2 of these HEIs in the past, my last one was from skip white because of all the good reviews, I will say it was the best 39.00 i'v spent lately & it was way better then the other 2 i had.
  11. J

    Distributor troubleshooting

    Theres no reason to get bitter, I'm not trying to piss you off, just stating facts, You did make some good valid points on how he should be checking for voltage.
  12. J

    Distributor troubleshooting

    That in no way looks like an MSD "brand" box & sorry i should have worded it that way, It is listed as an MSD box because MSD stands for "Multiple spark discharge" & thats what it does, Now Pro-comp sells a nicer MSD box then the one you listed, Everyone is jumping on the bandwagon, Is it...
  13. J

    Distributor troubleshooting

    Are they listing it as MSD? No there not, I'm sure most realize these distributors are knock-offs.. there are alot of vendors selling these knock off distributors, & most folks are actually having good luck with them, Can't be beat for the price, They are primarily from Pro-Comp. I deal with KMJ...
  14. J

    Distributor troubleshooting

    Are you hooking up the wires right, Something sounds goofy, Those dist. are very simple with there internal coil, its just 2 wires, the tach & 12v source, I have used about 5 of these E-Bay dizzys with no issues, 4 were HEIs, Did you bypass the ballast with a jumper wire? If its the 4 prong...
  15. J

    Done with Magnum Swap!

    Thanks, so was i, I got hooked about that same age with mopars, my 1st. mopar was a 70 Sport Satty with a 383 super commando, had all the options, even power windows, it was B5 blue, but it was rough, needed full resto but ran like a champ, only had 87000 miles on it. Its just time for a change...
  16. J

    Hp/tq estimate on 5.9 magnum?

    I would agree, right around 325ish at the flywheel, I'd think 335ish with a good tune.
  17. J

    comp 280 magnum or mp 280 cams can't decide!

    The comp 280 has a dur. of 230/230 @50 & its on a 110 LSA & 106 ICL, The MP 284/484 has a dur. of 238/238 @50 & is on a 108 LSA if i remember currectly, I'm thinking the ICL is 104. I think the cam Duster360 listed might work good.
  18. J

    Done with Magnum Swap!

    Nope, sold it 3 yrs. ago, just seems like yesterday i was driving it. I keep trying to tell myself i'm getting too old for these hotrods, so i sell & buy another lol, I'm looking to hold on to this one as long as possible, there getting just too expensive to build.
  19. J

    318 with n.o.s. ???

    I'd run an MSD 6AL so you have a rev. limiter, just make sure you'll pull timing accordingly & run better gas while on the bottle. What converter are you going to use?
  20. J

    Done with Magnum Swap!

    Heres my baby now, had it going on 2 yrs. Have to take some more recent photos with the 469 in it & the 9", This is when it had the 406.
  21. J

    Done with Magnum Swap!

    Air-Gap.
  22. J

    Done with Magnum Swap!

    Thanks, I was really surprised how well it responded to nitrous, did you check out the video in my sig., i ran up against a factory 69 Yenko 427 Camaro 4sp., i wasn't on the bottle in that pass, he ran a 12.4 to my 12.5, we were neck & neck.
  23. J

    Done with Magnum Swap!

    It should, i'd go for the 360 magnum & just carb it. You'll need to run an electric fuel pump, so its best to either sump the stock tank or run a cell, You could fuss with all the EFI wiring but i wouldn't.
  24. J

    Done with Magnum Swap!

    I'd say the car will run in the 11s at sea level no problem. Looks good.
  25. J

    Effect on Stroker - New Cam?

    Its a trade off, I'd try more int. timing 1st. as suggested, this will clean things up & make it easier to tune, you really don't want less then 1000 rpms on a stick car anyways, even with a mild cam, 11-1200 rpms wouldn't be out of the norm.
  26. J

    Done with Magnum Swap!

    Heres more. Home made sub-frame ties, As you can see in the one pic, i replaced the whole roof skin, the vinyl top took the original one out.
  27. J

    Done with Magnum Swap!

    Whats done to his 454? Its real easy to run low-mid 12s in a full bodied chevelle with a 454 if it has a few goodies, I'm running a very mild 469 BBC in my G bodied Cutlass & loving it. Those 71 Swingers are light, alot lighter then most think. Car looks great, mine looked very close to...
  28. J

    Effect on Stroker - New Cam?

    It'll lower the cylinder pressure on the 114, so you'll be fine for the DC #s, the idle quality will greatly improve, But there is a drawback, You will loose overall perf. & it won't pull nearly as good. I will say this, that cam your running is not much IMO to be considered too much to tame...
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