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  1. petr1

    Muffler Question...

    Autolounge.net | Calculators | Exhaust Resonance there is calculator how you can move your drone rpm. I have 91 GT with trickflow kit and pypes catted x-pipe, pypes pipes and thrush welded (flowmaster 40 series copy) mufflers. It had bad drone on pypes mufflers and 18" magnaflows on...
  2. petr1

    Good Sounding Quiet Exhaust

    I have 5.0 with Trick Flow street heat kit and I try to make my car litlle quietter on low rpm (1500-2000rpm). Now I have bbk shortys, mac pro chamber and 2.25" catback with flowtech afterburners. Drone is killing me. I'm will put pypes violator catback on next. I hope that it's beter or it...
  3. petr1

    TrickFlow Top-End Question

    How low rpm your engines can run on highway with trick flow kit without choking or runing rough. I have street heat kit and my 91 gtand it can't take under 1500 rpm on road without it starts to run rough. It might run litle rich. I put A/F meter on it and see how it is.
  4. petr1

    I Hate My Flowmasters (Dronemasters).

    Flowmaster has new line: Extreme Off-Road Muffler. From summit: "Flowmaster Extreme Off-Road series mufflers can handle just about anything you can serve up. These super-tough, off-road mufflers are constructed of 14-gauge diamond plate steel. Flowmaster Extreme Off-Road mufflers offer 10...
  5. petr1

    BRAKE KITS???

    What you guys think about this Baer kit: http://www.dndmotorsports.com/?page=shop/flypage&product_id=86&category_id=59ac4b6e557ac8d2e8ee07ffed6a74b1& according to picture there is all you need to have good 5 lug brakes. Brakes, axels, mc and so on for $ 1995.95 USD.
  6. petr1

    Stock 1991 HO cam + 1.7 Rocker vs. trick flow stage 1 cam + 1.6 Rocker

    I wasn't talking about rw hp meaby 270+ on wheels. And I was only vondering diference between two. I'm not goin to put trickflow cam to AFR heads but 1.7 rocers. Trickflow was only an example. Well if you look the prices trickflow headcombo is best. I have to think it over.
  7. petr1

    Stock 1991 HO cam + 1.7 Rocker vs. trick flow stage 1 cam + 1.6 Rocker

    So how big is difrence between mild cam + 1.6 rockers and stock cam with 1.7 rockers. I'm just wondering. I'm planing to change heads and intake meaby throtlebody plus supporting mods gaspump injectors etc. Trick flow set would be nice but I think it's too big job to me. So It's going to be...
  8. petr1

    rev limiter question

    how bad in general high revs for seconds is for engine or drive train. I had mayby 6500-7000 rpm. Or mayby worscase 7500 rpm. There is'nt any strange noiseses. Only rear end "klont" doring shift like normal. I checked side movement of the tailshaft and there is abaut 1mm of it. I don't mean...
  9. petr1

    rev limiter question

    I know that it can't limit revs if driver puts too low gear in. So there is nothing mecanical about it. It's been working arlier during some burnouts. Could ECU reset help. Batery line open. how bad in general high revs for seconds is for engine. It's all stock. valve float isn't good...
  10. petr1

    rev limiter question

    I was in track with my 91 gt otherday and when I was gona shift from 3rd to 4th I stupidass put 2nd in :mad: :bang: . I had ~4500-5000rpm in 3rd.:( Engine had over revs for seconds :mad: . Awerything else seems to work fine but it seems that rev limiter is dead. :bang: Where it...
  11. petr1

    Code 31 (EVP) = Roller Coaster Idle?

    I put new EGR valve and sensor and now it's working.:nice: :cheers:
  12. petr1

    Code 31 (EVP) = Roller Coaster Idle?

    I have 91 gt and my check engine light is blinking randomly during drive. There is nothing else wrong, car drives well and idle is good. I pulled codes and I get 31. what would it be. It feels like there is nothing wrong whit it but cel blinks. Engine is stock by the way.
  13. petr1

    Flo-Pro Twister muffler & Moroso Spiral muffler

    sorry about your stang. whitch ones your muffler were? what about the low rpm noise. does it muffle anything. I think when you writed that they scream its in high rpm right.
  14. petr1

    Flo-Pro Twister muffler & Moroso Spiral muffler

    if somebody has or had twister muffler here is some questions what was they like with stock h in drone rpm 1700-2000. I know they are loud but how loud. in what muffler would you combare their loudnes with. and whats they like in 1000-1500 rpm. I have listened you clip in mustangexhaust.com...
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