Thread: Which converter?

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  1. #1 Which converter? 
    GTX Level Member crbquist's Avatar
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    I am piecing together my trans build and recently acquired a used ZZP 2750 converter at a good price. The converter is used, but appears to be in great shape and only has 2000 miles on it. Now I am thinking that a 2750 stall might be too much for my street driven gtp. My mods are listed in my sig, and I have no plans of running a larger cam down the road. Should I just stick with the zzp converter or get a rebuilt stock one from TEP and sell the zzp? I also heard that running a used converter is a coin toss and that it would kill my top end a bit due to the higher stall. What should I do?


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  2. #2 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    I just had my trans done and went with a stock l36 converter.
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  3. #3 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by Iceman6669 View Post
    I just had my trans done and went with a stock l36 converter.
    Cool, but that doesn't really answer my question lol.


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  4. #4 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    Pretty sure the l36 stall is 2750. Could be wrong. I say use it.
    97 GTP Sold-prolly rusted away by now
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  5. #5 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by Iceman6669 View Post
    Pretty sure the l36 stall is 2750. Could be wrong. I say use it.
    There we go!


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  6. #6 Re: Which converter? 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    I think both the GTP and GT have stalls around 2000-2200, they are very close. I think 2750 is kinda high for a stock converter.

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  7. #7 Re: Which converter? 
    Killa Bee Scottydoggs's Avatar
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    some how i think my stock stall is more like 1800. thats if you hold the brake and give it gas till the rpm's wont go up any more standing still.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  8. #8 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    I could have swore that stock GTP was 2500 and GT was 2750.
    97 GTP Sold-prolly rusted away by now
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  9. #9 Re: Which converter? 
    Killa Bee Scottydoggs's Avatar
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    well being you dont have a tach, lol ill check mine tomorrow.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #10 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Pretty sure a stock gtp is 2000 and a gt is 3000. Back on subject, so I should be fine with the 2750 for street use?


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  11. #11 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    well being you dont have a tach, lol ill check mine tomorrow.
    Lol well played sir.
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  12. #12 Re: Which converter? 
    I live here. theaceofspades's Avatar
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    I can check for you guys on my l26 when I leave. Not sure if that would help out at all
    Quote Originally Posted by theaceofspades View Post
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  13. #13 Re: Which converter? 
    I live here. theaceofspades's Avatar
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    Quote Originally Posted by theaceofspades View Post
    I now own a stance car parts I just like them DICKS
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  14. #14 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    Ok looks like 2k is a stock GTP and 2500 is stock GT.

    The 2000 stall converter is a stock replacement L67 supercharged converter. it is great for a car that will never use drag radials or slicks. Not recommended for NA or turbo applications.
    The 2500 is a small step higher than a stock GTP converter. It's excellent for street use and track runs on street cars. We recommend it for all M90 applications. It is the most efficient converter we offer and produces the highest top end HP. You can achieve high 1.6 60's with it.


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  15. #15 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Well 2750 isn't much higher than 2500 so I'm assuming it will be fine, especially since I'm cammed


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  16. #16 Re: Which converter? 
    The Boss Iceman6669's Avatar
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    The 2750 is a step up from the 2500 and great for guys running slicks at the track, mid 1.6 60's with an M90, or users who want a converter they notice is higher than stock. This is only recommend for people running drag radials or slicks. Mild turbo builds can also use this.
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  17. #17 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by Iceman6669 View Post
    The 2750 is a step up from the 2500 and great for guys running slicks at the track, mid 1.6 60's with an M90, or users who want a converter they notice is higher than stock. This is only recommend for people running drag radials or slicks. Mild turbo builds can also use this.
    Yeah.. I've already read all that zzp bologna off their site. I was hoping to get some insight from a few members who have run this stall themselves.


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  18. #18 Re: Which converter? 
    Killa Bee Scottydoggs's Avatar
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    my regal turns out to be a 2000 stall.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  19. #19 Re: Which converter? 
    Donating Users GMR Badass's Avatar
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    Shocked I didn't see this tread earlier. Answer is to go with rebuilt stock converter by Precision and sold by TEP.

    ZZP converter has a high failure rate, some have great success, and some don't.

    Lower the stall the better IMO. Running higher stall is just plain annoying to me. Added heat, and decreases the feel of stock drive-ability.
    1999 GTP 2dr - Whipple 537whp.....for now
    1998 GTP 4dr - ST2, Cartuning PT61, IC - SOLD
    1999 GTP 2dr - SIX, GenV, Headers, TEP Trans, E85 - SOLD
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  20. #20 Re: Which converter? 
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by GMR Badass View Post
    Shocked I didn't see this tread earlier. Answer is to go with rebuilt stock converter by Precision and sold by TEP.

    ZZP converter has a high failure rate, some have great success, and some don't.

    Lower the stall the better IMO. Running higher stall is just plain annoying to me. Added heat, and decreases the feel of stock drive-ability.
    This is the exact answer I was looking for, especially from a reputable member. Thank you.



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