white_cross Posted April 12, 2018 Share Posted April 12, 2018 Hey guys, for the ecoboost swap celica we are looking at either using my friends mustang solid rear axle and transferring the celica brackets onto the mustang rear end. Or Transferring a independent rear suspension into the car. Any one have any thoughts on which IRS will take 320 or so hp on a budget? We potentially will buy something to part out from the mpi auctions and steal the rear end out of. How much hp can a mid 2000's model year Wrx and STI rear end safely hold up? My rear axle in the celica is good for about half of what the eco boost makes. Link to comment Share on other sites More sharing options...
nopistons Posted April 12, 2018 Share Posted April 12, 2018 A solid axle will be your best bet on a budget...both in dollars and time. A first gen RX7 rear axle would also be a Good swap with LSD and 4:10's out of the box. Correct bolt pattern too! (GSL-SE) For IRS, I'd suggest a MK2 supra rear setup. It's a simple mount and should be close in width. 4:30's and LSD standard equip on P-Type manuals. Not to mention I know where you can find both of those! 1 Link to comment Share on other sites More sharing options...
white_cross Posted April 12, 2018 Author Share Posted April 12, 2018 cool 10 minutes ago, nopistons said: A solid axle will be your best bet on a budget...both in dollars and time. A first gen RX7 rear axle would also be a Good swap with LSD and 4:10's out of the box. Correct bolt pattern too! (GSL-SE) For IRS, I'd suggest a MK2 supra rear setup. It's a simple mount and should be close in width. 4:30's and LSD standard equip on P-Type manuals. Not to mention I know where you can find both of those! Cool what is your price on either of those? and the 4:30s would be awesome. What kind of hp can both of those rear ends handle? The car is going to see pretty much only race duty. Link to comment Share on other sites More sharing options...
white_cross Posted April 12, 2018 Author Share Posted April 12, 2018 The rx7 rear end is probably similar width to our 1st gen celica? We will probably go wider in the front as I just got a miata front clip for its suspension. Link to comment Share on other sites More sharing options...
nopistons Posted April 12, 2018 Share Posted April 12, 2018 8 hours ago, white_cross said: The rx7 rear end is probably similar width to our 1st gen celica? We will probably go wider in the front as I just got a miata front clip for its suspension. Should be close. If you get real energetic, you can swap out the 4.10 pumpkin for a 97-ish Kia Sportage front third member and upgrade to 4.71's I have a complete rear IRS from the supra already out of the car, and two others still in cars. The one you took the shocks/trans out of has the adjustable spring perches in it. Shoot me a text and we can discuss further. It won't be much. 1 Link to comment Share on other sites More sharing options...
Mopar11 Posted May 2, 2018 Share Posted May 2, 2018 On 4/12/2018 at 7:16 AM, nopistons said: Should be close. If you get real energetic, you can swap out the 4.10 pumpkin for a 97-ish Kia Sportage front third member and upgrade to 4.71's I have a complete rear IRS from the supra already out of the car, and two others still in cars. The one you took the shocks/trans out of has the adjustable spring perches in it. Shoot me a text and we can discuss further. It won't be much. Did someone mention MK2 Supra parts? PM sent...sorry for the hijack Devon lol! Link to comment Share on other sites More sharing options...
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