Best Subframe For 20b Conversion

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Old 05-02-07, 09:48 PM
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Best Subframe For 20b Conversion

Hello everyone, Recently proud new owner of 95 RX7. Car is great.. But I'am getting ready to start my project , Installing 20b...

My question guys is, Which is the best subframe out there ... I have searched this
forum and , But can't seem to find the best one , SO everyone please help... I did see somewhere here that one guy was making a kit without bump steer problems and it was,nt a subframe, seems good... So please help with your guys input..
Old 05-02-07, 11:37 PM
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Hard to say which is best however, I recently heard that the Rx7 Specialties subframe interfers with Stock fd wheels. The Pettit version doesn't have this problem. If you decide you want to use the stock twins on your set-up, I have a used Pettit 20b downpipe that you may be interested in.
Old 05-03-07, 01:28 AM
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Check out Autotech Motorsports and A-spec Tuning. They have been very successful with these projects.
Old 05-03-07, 08:03 PM
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Thanks, I did see somwhere in this forum a member talking about doing akit for himself and said he would make one for anyone... It was about just using your own subframe and sending it to him to modify.. And that everything was keep in it's original place... I'll keep searching to find that here , but if anyone knows where this thread is please inform me... And yes T-Von a maybe be interested shortly...
Old 05-04-07, 12:55 AM
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thats the best kit for the money, its by gtorx7 i believe
Old 05-04-07, 01:02 AM
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Originally Posted by rx7rich
Thanks, I did see somwhere in this forum a member talking about doing akit for himself and said he would make one for anyone... It was about just using your own subframe and sending it to him to modify.. And that everything was keep in it's original place... I'll keep searching to find that here , but if anyone knows where this thread is please inform me... And yes T-Von a maybe be interested shortly...
Yeah you might be speaking of my kit.

https://www.rx7club.com/defined-autoworks-176/defined-autoworks-20b-conversion-kit-644417/

There is the new link, some pictures of the new version 2 kit will be up VERY soon. So check back tomorrow evening.
Old 05-04-07, 01:04 AM
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GTO's kit seems to be very interesting.
Old 05-08-07, 08:49 PM
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Thanks for the link, GtoRx7, that's what I was looking for ... I will call you Wed...
Old 05-19-07, 11:55 AM
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Originally Posted by t-von
Hard to say which is best however, I recently heard that the Rx7 Specialties subframe interfers with Stock fd wheels. The Pettit version doesn't have this problem. If you decide you want to use the stock twins on your set-up, I have a used Pettit 20b downpipe that you may be interested in.

PM'd you!
Old 05-19-07, 01:20 PM
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Originally Posted by GtoRx7
Yeah you might be speaking of my kit.

https://www.rx7club.com/showthread.php?t=644417

There is the new link, some pictures of the new version 2 kit will be up VERY soon. So check back tomorrow evening.
I would go with GTORx7's (aka Logan) conversion. It seems very well thought out.
Old 05-20-07, 02:56 AM
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I have a Pettit 20B subframe and spindles that I am selling. PM if interested.




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