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Old 11-04-2018, 07:31 PM   #2676
T-37
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It would be great if they filled the gaps between
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Old 11-05-2018, 08:41 AM   #2677
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Quote:
Originally Posted by Fierysun View Post
What kind of built 4EAT issues is he having and was the tranny done by IPT?
He's down in Australia. I think it was Rigoli or whoever did their tans.
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Old 11-05-2018, 08:42 AM   #2678
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Quote:
Originally Posted by T-37 View Post
It would be great if they filled the gaps between
They're not close enough already? 6758 and 7163...
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Old 11-05-2018, 12:27 PM   #2679
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I think they're close enough, but still wish they did a .64 hotside 7163. We're really a niche for BW though with our relatively unique turbo location. On my inline 4's with very short runners there's very little difference in spool time between the two. When you've got 3 feet of piping it is more pronounced though.
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Old 11-05-2018, 12:27 PM   #2680
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Quote:
Originally Posted by subydude View Post
I think they're close enough, but still wish they did a .64 hotside 7163. We're really a niche for BW though with our relatively unique turbo location. On my inline 4's with very short runners there's very little difference in spool time between the two. When you've got 3 feet of piping it is more pronounced though.
They have a 7064
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Old 11-05-2018, 04:05 PM   #2681
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Quote:
Originally Posted by subaru_gc8 View Post
They have a 7064
Not really comparable since it's the B2 frame vs the B1 so the hotsides and wheel aero are different. The data I saw on the 7064 put it slower spooling than the 7163 with roughly the same output. The steps are really 6758, 7163, 7670.
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Old 11-05-2018, 04:12 PM   #2682
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I know the 7163 came out after the 7064, but I have no reason why anyone would want it over the 7163. Personally
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Old 11-05-2018, 04:13 PM   #2683
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In my case, the 7064 is a better match over the 7163 for my S2000.
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Old 11-07-2018, 08:37 PM   #2684
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To the guys running 7163s at high boost: are you using the stiffer spring in the EFR bpv?
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Old 11-07-2018, 09:13 PM   #2685
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Quote:
Originally Posted by Waddlz View Post
I know the 7163 came out after the 7064, but I have no reason why anyone would want it over the 7163. Personally
honestly it has a bigger inlet so you dont need as big of an ar to compensate for the lack of exhaust flow
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Old 11-07-2018, 09:35 PM   #2686
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To the guys running 7163s at high boost: are you using the stiffer spring in the EFR bpv?
I didn't, ran the oem one with no issues up to 27 psi. I swapped to a Forge unit later
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Old 11-26-2018, 11:58 AM   #2687
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Last edited by yamahaSHO; Today at 11:05 AM.
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Old 12-05-2018, 01:41 AM   #2688
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Those of you running 7163's on e85- what are your idc's at?

I was running id1000's and an AEM 320 with my dom1.5 and never went past 95%. Once I switched over to the 7163 I was hitting 130% which just doesnt seem right. I upped my injectors to 1300's and swapped in a walbro 450 pump. I am now at 103 idc on a 3rd gear pull. Is this normal or could there be something else causing these high idc's?
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Old 12-05-2018, 02:11 AM   #2689
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Quote:
Originally Posted by pearson222 View Post
Those of you running 7163's on e85- what are your idc's at?

I was running id1000's and an AEM 320 with my dom1.5 and never went past 95%. Once I switched over to the 7163 I was hitting 130% which just doesnt seem right. I upped my injectors to 1300's and swapped in a walbro 450 pump. I am now at 103 idc on a 3rd gear pull. Is this normal or could there be something else causing these high idc's?
Did you change boost levels?
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Old 12-05-2018, 02:23 AM   #2690
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Quote:
Originally Posted by brecks View Post
To the guys running 7163s at high boost: are you using the stiffer spring in the EFR bpv?
I am. What do you want to know?
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Old 12-05-2018, 04:48 AM   #2691
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I'm still waiting for the 58xx they were talking about. I would be down with a smaller compressor but higher PSI map, would be great for tight courses or TT setups on the EZ motors.
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Old 12-05-2018, 07:39 AM   #2692
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Quote:
Originally Posted by pearson222 View Post
Those of you running 7163's on e85- what are your idc's at?

I was running id1000's and an AEM 320 with my dom1.5 and never went past 95%. Once I switched over to the 7163 I was hitting 130% which just doesnt seem right. I upped my injectors to 1300's and swapped in a walbro 450 pump. I am now at 103 idc on a 3rd gear pull. Is this normal or could there be something else causing these high idc's?
I'm on 1300cc injectors and a 450 pump, my IDCs are around 95% at 28psi. I also went from 1100cc injectors on a dom 1.5, to the 7163. My tuner and I didn't realize how well this turbo flows (.85 EWG hotside), he said there's more left in it. I'll need to step up to 1700cc injectors to max the turbo out. My base fuel pressure is set at a modest 42psi with the vacuum line off.
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Old 12-06-2018, 02:44 PM   #2693
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mine are mid 70s at 27 psi on E85. stock lines, ID1300s and walbro 450. however I am at altitude. My base pressure is 50 psi though.

edit* Actually just looked at my last datalog for 27 psi on E85. IDC was 77%.

Last edited by Waddlz; 12-06-2018 at 02:50 PM.
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Old 12-06-2018, 02:47 PM   #2694
subydude
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On ID2000's I see roughly 65% IDC on a 6758 using E85 and 33 psi.
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Old 12-06-2018, 04:19 PM   #2695
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I am running 1300's with a hardwired 450 on e85. On a 3rd gear wot pull idc is 68 @ peak boost 23psi/4600rpm. From 4650-6500rpm idc climbs to 97 as boost tapers to 20psi. My idc's were topping out at 103 on the 450 pump when it was still running off the oem fpc. Seems like I should have seen a more substantial drop in idc after hardwiring the pump.

Anyone have any thoughts?
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Old 12-06-2018, 04:25 PM   #2696
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Forgot to add that I am running the prototype 7163 (2013 pre-release) if it makes any difference.
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Old 12-06-2018, 04:30 PM   #2697
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you on stock rails?

whats your AFR? is it smooth through the pull?
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Old 12-06-2018, 04:34 PM   #2698
pearson222
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Quote:
Originally Posted by Waddlz View Post
you on stock rails?

whats your AFR? is it smooth through the pull?
IAG V3 rails
Redhorse Performance 6AN PTFE lines
Fuelab FPR @ 50psi
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Old 12-06-2018, 04:40 PM   #2699
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you positive you hardwired your FP right? The GD's are different than my GR but I believe my tuner had to set it to be 100% in the tune all the time.
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Old 12-06-2018, 04:41 PM   #2700
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Do you use the factory bulkhead fitting to send the power to the pump?
I saw a large jump in amperage when I added a separate bulkhead fitting to run 10G wiring directly to the pump.
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