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Boosted B20VTEC in 90 CRX SI

Old 01-08-2011, 05:31 AM
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Default Boosted B20VTEC in 90 CRX SI

I'm looking to make some changes to my current setup (read title).

Current setup includes an Egay cast iron log manifold, XS Power T3 4248E 50 trim (oh hey, little guy). A 2.5" turbo back exhaust. And some other bs. Makes 245 whp and 205 ft. lbs. at 14psi, which is fun, but I'm ready for a bit more power. Nothing crazy, 300 to the wheels will be fine... for now.

Later today, I'm trading my wheels for a Turbonetics 60-1 T4 Twin Scroll BB snail. My plan is to mate said turbo with a divided flange manifold of some sorts, possibly the OBX top mount?!? Any feedback on that mani? I also plan to run a full 3" turbo back exhaust. The 60-1 has a v-band dp flange.

I do not have A/C or power steering, but the engine bay is still lacking in the spaciousness department with the current setup. So, if you have something similar to my newly planned setup in your CRX, please, do tell me about it.

Thanks,

Tim
Old 01-09-2011, 06:48 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

Hmm, I know somebody's been down this road before. LoL

Any help or advice would be greatly appreciated!

Is it a must that I use a turbo manifold with a divided flange to get the most from my twin scroll? Will a regular T4 flanged manifold work as well?
Old 01-09-2011, 01:37 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

That's a good upgrade for you, but I would look at a company called "Forged Performance" on ebay for a fairly priced ramhorn or top mount manifold... I have their Ramhorn and I'm very happy with it!

Just make sure what ever route you go it get the car retuned before you go off having fun...
Old 01-09-2011, 02:04 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

you have room move the radiator support bar

i run a t4/67 on a topmount in my little ef

i did pull the drivers side headlight and cut some of it out to make room for the turbo inlet though
Old 01-09-2011, 06:15 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

Thanks for the input, guys!

@mugen, I'll def check them out. How long have you had their Ramhorn? And I'll have my tune dialed in for sure.

@sanman, were you able to run an air filter on your inlet? And which topmount are you using?
Old 01-09-2011, 11:00 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

What i seen in person with the obx top mount manifold (not sure which one you are looking at) is that i mocked it on a gsr motor in a 95 coupe ex and there was barely any room for the front frame. also the other problem was even with a ebay t3 turbo .50 trim mocked up. the hood and front frame will need a lot of cutting. Also tested this on my gsr turbo integra and same thing. So for the obx top mount manifold. i said and dont waste your money on that.
Old 01-10-2011, 02:50 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

Originally Posted by Hawjap1gsr
What i seen in person with the obx top mount manifold (not sure which one you are looking at) is that i mocked it on a gsr motor in a 95 coupe ex and there was barely any room for the front frame. also the other problem was even with a ebay t3 turbo .50 trim mocked up. the hood and front frame will need a lot of cutting. Also tested this on my gsr turbo integra and same thing. So for the obx top mount manifold. i said and dont waste your money on that.
Thanks for posting that! I have an ETD Traction Bar on the car, but I have no desire to hack up a lot of stuff in the bay, which is much tighter than EG's or Teg's. And I want to make all of this work with a cold air intake and good air filter on the 4" inlet of this turbo. It gets hot as ***** here in FL.!! Lol, looks like I may be going with a Ramhorn. Thanks again for your input.

Please, keep it coming H-T? The new snail is a beaut and is now in my possession, resting on my kitchen counter!! Woot Can't wait to see how she blows.
Old 01-10-2011, 04:00 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

i run a redline topmount, and no i do not run an airfilter I do how ever run a screen on the inlet
Old 01-10-2011, 04:31 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

Originally Posted by sanman000719
i run a redline topmount, and no i do not run an airfilter I do how ever run a screen on the inlet
Does that topmount only leave you with enough space for a screen? I did a quick search, but the only Redline topmounts I see are for 240's. :/
Old 01-10-2011, 07:46 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

nope i just dont run a filter its not my style lol i only cut the light housing out the way i did was to get a little more air into the inlet thats all
Old 01-10-2011, 07:56 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

its a coustom made topmount by redline out of Dallas Texas
Old 01-10-2011, 08:36 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

i assume your bottom end is stock,how is it holding up and how long have you had it turboed?? thinking of the same route but those sleeves worry me
Old 01-10-2011, 08:42 AM
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Default Re: Boosted B20VTEC in 90 CRX SI

nah the bottom end i had was built lol mit didnt hold up broke a rod bolt

now i did have a stock bottom end on a p*** log manifold that made 500 it was in an entire summer and never had any issues from it at all

i have that same bottom end in route to my house now to get put back in the crx, and we will see how it does this coming summer
Old 01-10-2011, 05:46 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

Originally Posted by crvtectim
Thanks for the input, guys!

@mugen, I'll def check them out. How long have you had their Ramhorn? And I'll have my tune dialed in for sure.

@sanman, were you able to run an air filter on your inlet? And which topmount are you using?
I've had my ramhorn turned on my set up for 6 months now, very nice quality stuff! Heavy duty sch. 40 SS, basically the same product you would get from full race, inlinepro, etc...
Old 01-11-2011, 06:19 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

Originally Posted by sanman000719
its a coustom made topmount by redline out of Dallas Texas
Ah, gotcha.

Originally Posted by sanman000719
nah the bottom end i had was built lol mit didnt hold up broke a rod bolt

now i did have a stock bottom end on a p*** log manifold that made 500 it was in an entire summer and never had any issues from it at all

i have that same bottom end in route to my house now to get put back in the crx, and we will see how it does this coming summer
That's impressive! What motor?

Originally Posted by Mugencrxsir1
I've had my ramhorn turned on my set up for 6 months now, very nice quality stuff! Heavy duty sch. 40 SS, basically the same product you would get from full race, inlinepro, etc...
Nice, did you have any clearance issues in the engine bay?
Old 01-15-2011, 12:39 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

Double post bump!

Anybody else, please feel free to contribute? I'm thinking about a good Ramhorn that's T4 flanged (not twin scroll) so that I can run a quick spool valve. Thoughts, ideas, and recommendations are highly appreciated! Thanks
Old 01-15-2011, 02:54 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

That's impressive! What motor?




bone stock gsr
Old 01-15-2011, 06:51 PM
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Default Re: Boosted B20VTEC in 90 CRX SI

Originally Posted by sanman000719
bone stock gsr
Jesus! ARP hardware at least?
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