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  1. mark23svt

    Another spark plug question..:(

    Hey guys so I know there is a million spark plug questions and trust me I haves searched a million times. Just wanted a more recent answer since things have changed. All my previous cobra I’ve only used Tr6. My current cobra has a Tr6 came gapped at 0.023. Now I don’t know how it sounded or...
  2. mark23svt

    Coolant cross over delete and fuel filter?

    So might be weird question but my hose (the thermostat housing to the crossover delete) has a slash in it. Not leaking but just don’t feel safe to run like that for a while. I’m guessing it got the slash from trying to push the tensioner to remove belt or what not. So looking for this hose I...
  3. mark23svt

    Aeroforce Gauges!

    Finally looking to install these gauges into my car, I did some research but could not find a direct answer to some questions I have. Sorry if they are dumb questions just not very good when it comes to electrical. First question is if I’m running them to my obd2 port do I still need to find a...
  4. mark23svt

    A/C woes with killer chiller

    Hey guys my 03 cobra I got recently doesn’t have cold air coming out of the a/c so I decided to take it to a repair shop. It has a killer chiller but that’s all I know since I bought it. I also could tell the lines were moved a bit since it has a fluidyne radiator. Well the shop called me and...
  5. mark23svt

    FOR SALE: 2.3 VMP and Oem blower

    Oem blower not ported also blower only. About 56k miles on this one with a 2.76 pulley. 600 shipped more pics available if needed just text me. Thanks. Car i got came with a 2.3 whipple so no need to upgrade for my goal to this tvs. Always seems I get one because it’s the one I want to run but...
  6. mark23svt

    WANTED: WTB: 04 cobra coupe near future.

    Hello I’m looking to buy a 04 cobra coupe soon. Reason I say near future because I’m looking to get into one around 30 days or so. I’ve had several 03 cobra and I truly am looking for a 04 cobra with the dark charcoal either 04 orange (I know, worth a shot), 04 screaming yellow or a 04 black...
  7. mark23svt

    Whipple adjustable idler?

    Hey guys just got a whipple adjustable idler just wanted to ask if you install directly with the pulley behind the bridge? Sorry just want to make sure I didn’t receive any instructions. And just have had bad luck also messed with some gaskets in the gas tank and now car won’t turn on and got...
  8. mark23svt

    Metco lower idler top position.

    Hey guys I’ve been running my car with a 4lb lower and metco double bearing pulleys. So after a couple is small pulls for data-logging for tuner my belt shred a rib. But It was working fine for a little maybe couple of miles here and there no noise. So I decided maybe just crap belt so I got...
  9. mark23svt

    Thump tensioner.

    I wanted to ask if anyone knows where the shims go for the thump tensioner. I took it off to tighten the pulley but my dumbass dropped the shims and I’m not too sure where each goes. I have a thump tensioner with a ribbed pulley. I have 8 shims total that came off I know two had 3 but not sure...
  10. mark23svt

    Nations alternator

    Hey guys just wanted to ask just installed new nations alternator and new battery. My old set up would start at 13.9 but drop after 10 min with only radio and lights on to 12ish. Right now first start with new parts it idled at 13.6 start held at that but with ac and lights or went to 13.2. I...
  11. mark23svt

    03 cobra bad numbers (stumped)

    So guys trying to make this short. Broke a crank ended up buying a new built engine. Engine has cams and runs at 9:8:1 compression. The shop closest to me doing the swap kept up with pics and what not so all was good. Before engine swap my only issue that I kept fighting was belt shred after an...
  12. mark23svt

    WANTED: Wtb: long tube headers asap

    Looking for 1 3/4 or 1 7/8 long tubes as soon as possible switching motors. Thanks
  13. mark23svt

    Short block purchase?

    Hey guys my car is on the higher mileage side and I need to start saving money to rebuild mine or start building a side motor slowly. I came across this short block but just really need advice if you guys think it’s good and worth it or just rebuild mine later. Any help would be appreciated thanks.
  14. mark23svt

    Ported blower doesn’t sound the same!

    Hey guys I had sold my car to my cousin few years back but he decided to sell it so I got it back. I got it back fairly cheap BUT it needs a lot of TLC, he did not take care of it. Anyways I’ve been fixing issues and one thing I remember it used to scream pretty loud when you would get on it...
  15. mark23svt

    WANTED: Wtb:2.3 tvs or 2.9 whipple

    Looking for a 2.9 whipple or 2.3 tvs in good condition and for a reasonable price. Pay pal ready thanks.
  16. mark23svt

    WANTED: WTB:2.3 Tvs

    Looking for a 2.3 TVS with Gt500 throttle body in good condition. Or gen 3 2.9 whipple. Pay pal ready. Thanks
  17. mark23svt

    WANTED: WTB: posi ported eaton

    Hey guys looking for a posi ported eaton only. I know it will be tough but hopefully I find one. Thanks.
  18. mark23svt

    03 Mach 1 issues plz help

    Hey guys I’m new to the Mach 1 world came from terminators and sn cobras. I recently purchased a 03 azure blue Mach 1 with 43k on the clock. The car has been sitting for over three years so paint is peeling but everything else seems real clean on the car. So to the point car has had an issue...
  19. mark23svt

    04 cobra weird acceleration issue!

    Hey guys maybe it’s been talked about a lot but I haven’t ran into a related post in a while or that I can remember. My car seems to feel weird when I punch the throttle. If I slowly pick up speed it goes but if I’m in any gear and I punch the throttle it feels like a delay on tires to react. It...
  20. mark23svt

    New suspension/ brakes now issues!!

    Hey guys just got new MM street/track irs package the level 2 kit installed as well as ford Racing cover, lowering springs (race springs) new Bilstein struts and shocks, front bushings, bumpsteer kit, new perf rotors, hawk pads, stainless brake lines and painted calipers. Well first the rear is...
  21. mark23svt

    04 cobra Mac muffler in magnaflow exhaust

    I have a 04 cobra that came with bbk headers, bbk x pipe and magnaflow cat back. I wasn’t to happy with sound so I bought a pair of Mac flow path mufflers so swap out. Well the inlet side fit fine BUT the outlet part that connects with tail pipe doesn’t fit it seems to be same size as tail pipe...
  22. mark23svt

    Cant win with this issue.

    Hey guys I’ve been chasing this overheating issue for a long time. I’ll start off by saying I checked the thermostat and it works. I replaced fan just in case, I burped the system properly(reason I know is because car sometimes drives normal and doesn’t pass 190/200 while being out). Some days I...
  23. mark23svt

    Steeda shifter help

    Hey guys just installed a new steeda short throw. After installation I drove the car a couple of miles and right away noticed shifter feels really loose. While in gear you can move it left and right. The bolt are all tightened up. Can figure out why that would happen. Only thing I thought about...
  24. mark23svt

    WTB: off road x pipe/ h pipe muffler

    Guys looking for off road x I have a bbk and hate it I want a true x or a off road h pipe. And I’m looking for a pair of mufflers either Mac or bassani. Thanks. And not sure if it matters but mid pipe that fits bbk long tubes.
  25. mark23svt

    BBK X pipe

    Hey guys, I just purchased a 04 cobra with bbk longtubes, bbk off road x pipe and Magnaflow mufflers(owner told me it had flows ). I took the car to the muffler shop since initially it sounded like a exhaust leak. Muffler shop guy told me everything is fine and patted up no exhaust leak. So a...

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