# 3.8 series 1 RX7...yes please

**URL:** <https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776>\
**Category:** Shift518 Automotive\
**Created:** [April 26, 2010, 7:00pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776 "2010-04-26T19:00:04Z")\
**Posts on this page:** 20\
**Page:** 1

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:00pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/1 "2010-04-26T19:00:04Z")

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Wish I had 24 grand to play with!

[http://cgi.ebay.com/ebaymotors/Mazda-RX-7-93-Mazda-RX-7-w-BUICK-GRAND-NATIONAL-TURBO-621HP-\_W0QQcmdZViewItemQQhashZitem414ee501e6QQitemZ280496505318QQptZUSQ5fCarsQ5fTrucks](http://cgi.ebay.com/ebaymotors/Mazda-RX-7-93-Mazda-RX-7-w-BUICK-GRAND-NATIONAL-TURBO-621HP-_W0QQcmdZViewItemQQhashZitem414ee501e6QQitemZ280496505318QQptZUSQ5fCarsQ5fTrucks)

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**Author:** ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)\
**Post date:** [April 26, 2010, 7:02pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/2 "2010-04-26T19:02:38Z")

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complete waste of $$. could’ve LS7’d that car for the same $$ and it wouldn’t be a time bomb.

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**Author:** ![PJB](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pjb/32/6389_2.png) [@PJB](https://forums.speedlife.net/u/PJB)\
**Post date:** [April 26, 2010, 7:04pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/3 "2010-04-26T19:04:27Z")

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Pretty sick but damn thats alot of money.

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:04pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/4 "2010-04-26T19:04:49Z")

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> [@FLR Autocross @ Seneca Army Depot 6/24](https://forums.speedlife.net/t/flr-autocross-seneca-army-depot-6-24/31215/21):
>
> complete waste of $$. could’ve LS7’d that car for the same $$ and it wouldn’t be a time bomb.

the grand national power plants are not time bombs! They can handle just as much if not more then a stock terminator motor with two less cylinders! Duh wayne!

I cant tell you how many stock turbo motor grand nationals I have seen at lebanon running 9’s and 10’s run after run after run.

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [April 26, 2010, 7:05pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/5 "2010-04-26T19:05:18Z")

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thats a decent build , like said before a ls7 in there would be better though

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**Author:** ![Mk4\_30R\_Ban](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mk4_30r_ban/32/6347_2.png) [@Mk4\_30R\_Ban](https://forums.speedlife.net/u/Mk4_30R_Ban)\
**Post date:** [April 26, 2010, 7:05pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/6 "2010-04-26T19:05:40Z")

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what makes it a time bomb?

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [April 26, 2010, 7:06pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/7 "2010-04-26T19:06:08Z")

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i have a cust that has a stock turbo g/n thats in the low 10,s with his

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**Author:** ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)\
**Post date:** [April 26, 2010, 7:08pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/8 "2010-04-26T19:08:28Z")

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sorry … wrong 3800. oops.

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**Author:** ![LS\_WS.6](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ls_ws.6/32/6563_2.png) [@LS\_WS.6](https://forums.speedlife.net/u/LS_WS.6)\
**Post date:** [April 26, 2010, 7:09pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/9 "2010-04-26T19:09:38Z")

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cool build, ls7 boosted would be better, newer and sound WAY BETTER id give him 14k, not a dollar more

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [April 26, 2010, 7:10pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/10 "2010-04-26T19:10:02Z")

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fords 3.8 was a t/b in any form gm 3.8 \> ford 3.8

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:12pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/11 "2010-04-26T19:12:41Z")

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> [@Need some advice V. Sandals All Inclusive Resorts](https://forums.speedlife.net/t/need-some-advice-v-sandals-all-inclusive-resorts/31401/6):
>
> cool build, ls7 boosted would be better, newer and sound WAY BETTER id give him 14k, not a dollar more

you realize that a stock internal boosted LS7 is only on borrowed time right? You will only gain 50 or less rwhp over that that GN setup is making for about 1/10th of the reliability that boosted 3.8 has.

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:13pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/12 "2010-04-26T19:13:50Z")

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although a H/C built LS7 Might be better then that setup, I love the fact is has a power plant and power train you would never expect. That to me is one badass, clean build.

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [April 26, 2010, 7:14pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/13 "2010-04-26T19:14:28Z")

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> [@FLR Autocross @ Seneca Army Depot 6/24](https://forums.speedlife.net/t/flr-autocross-seneca-army-depot-6-24/31215/23):
>
> although a H/C built LS7 Might be better then that setup, I love the fact is has a power plant and power train you would never expect. That to me is one badass, clean build.

agreed

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**Author:** ![Wayne64SS](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/wayne64ss/32/6365_2.png) [@Wayne64SS](https://forums.speedlife.net/u/Wayne64SS)\
**Post date:** [April 26, 2010, 7:21pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/14 "2010-04-26T19:21:52Z")

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yea i didn’t actually read it, i glanced and saw 3.8 and was OMG grand prix FTL. LOL oops. GN motors are badass, but I think it’s a bit over priced!!

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**Author:** ![slwrthnu](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/slwrthnu/32/6296_2.png) [@slwrthnu](https://forums.speedlife.net/u/slwrthnu)\
**Post date:** [April 26, 2010, 7:23pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/15 "2010-04-26T19:23:18Z")

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he gets 30mpg

i get 14mpg

what the crap. fucking rotaries.

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**Author:** ![88slowmarro](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/88slowmarro/32/6339_2.png) [@88slowmarro](https://forums.speedlife.net/u/88slowmarro)\
**Post date:** [April 26, 2010, 7:24pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/16 "2010-04-26T19:24:07Z")

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> [@WTB: 38mm Weld On Wastagate Flange](https://forums.speedlife.net/t/wtb-38mm-weld-on-wastagate-flange/31384/4):
>
> yea i didn’t actually read it, i glanced and saw 3.8 and was OMG grand prix FTL. LOL oops. GN motors are badass, but I think it’s a bit over priced!!

the series 2-3 motors are just as reliable :crazy

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**Author:** ![slwrthnu](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/slwrthnu/32/6296_2.png) [@slwrthnu](https://forums.speedlife.net/u/slwrthnu)\
**Post date:** [April 26, 2010, 7:24pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/17 "2010-04-26T19:24:54Z")

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> [@WTB: 38mm Weld On Wastagate Flange](https://forums.speedlife.net/t/wtb-38mm-weld-on-wastagate-flange/31384/4):
>
> yea i didn’t actually read it, i glanced and saw 3.8 and was OMG grand prix FTL. LOL oops. GN motors are badass, but I think it’s a bit over priced!!

idk how much gn motors go for, but a clean ls1/2 swapped rx7 could be had for around the same price range as this car. just to give an idea of what other rx7 you could have if you didn’t want to do all the work yourself.

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**Author:** ![PJB](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/pjb/32/6389_2.png) [@PJB](https://forums.speedlife.net/u/PJB)\
**Post date:** [April 26, 2010, 7:25pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/18 "2010-04-26T19:25:23Z")

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> [@Official Duffs Meet Thread (monday's)](https://forums.speedlife.net/t/official-duffs-meet-thread-mondays/31050/93):
>
> the series 2-3 motors are just as reliable :crazy

just gotta watch the plenums on those- leaks

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:28pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/19 "2010-04-26T19:28:16Z")

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> [@Official Duffs Meet Thread (monday's)](https://forums.speedlife.net/t/official-duffs-meet-thread-mondays/31050/93):
>
> the series 2-3 motors are just as reliable :crazy

yup!

17psi on a Turbonetics BB T72 on a bone stock 3.8 for 2 years…ask how I know!

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**Author:** ![SSmokinn\_SS](https://avatars.discourse-cdn.com/v4/letter/s/ec9cab/32.png) [@SSmokinn\_SS](https://forums.speedlife.net/u/SSmokinn_SS)\
**Post date:** [April 26, 2010, 7:29pm UTC](https://forums.speedlife.net/t/3-8-series-1-rx7-yes-please/251776/20 "2010-04-26T19:29:01Z")

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> [@FS:92 Turbo Hatch \*S O L D\*](https://forums.speedlife.net/t/fs-92-turbo-hatch-s-o-l-d/31293/32):
>
> idk how much gn motors go for, but a clean ls1/2 swapped rx7 could be had for around the same price range as this car. just to give an idea of what other rx7 you could have if you didn’t want to do all the work yourself.

the GN motors go for twice the price of a LS1/ls6.

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