y2k88 on 408w - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 18 Old 12-29-2015, 02:45 AM Thread Starter
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y2k88 on 408w

Hey guys I was wondering how a y2k88 turbonetics would do on a 408w ?? Exhaust is .96 I will be running a 2.08 215 cc rhs pro top line head Victor Jr intake and 90 degree elbow thanks!

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post #2 of 18 Old 12-29-2015, 09:18 AM Thread Starter
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I'd like to stay around 15 to 20 psi

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post #3 of 18 Old 12-29-2015, 07:46 PM
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T4 or t6? Should easily be 800rwhp is everything else is up to par.
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post #4 of 18 Old 12-31-2015, 02:41 AM Thread Starter
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T6 but I heard the exhaust housing is to small ?
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post #5 of 18 Old 12-31-2015, 10:29 AM
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It is a little small but you do have a 88mm. I have a s480 with a 1.32ar. Don't rev it to the moon and that should keep back pressure from getting out of hand.
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post #6 of 18 Old 12-31-2015, 12:11 PM Thread Starter
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Thanks for the info bro I've hear so many different opinions
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post #7 of 18 Old 12-31-2015, 11:00 PM
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We have that exact turbo on my friendís car. 408, Victor jr heads, TFS box manifold. We have been [email protected] at 3250# with just a few shake down runs and a super safe tune (21 degrees timing across the board and 11.2 A/F) We are swapping a Holley EFi system in it and I really think 8.50ís will be no issue. This also has the .96 exhaust housing. Lights up super-fast without much rpm.

Any questions feel free to askÖ.

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post #8 of 18 Old 01-02-2016, 08:22 PM
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There you go man. Run it and have fun
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post #9 of 18 Old 01-05-2016, 10:27 PM
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We have that exact turbo on my friendís car. 408, Victor jr heads, TFS box manifold. We have been [email protected] at 3250# with just a few shake down runs and a super safe tune (21 degrees timing across the board and 11.2 A/F) We are swapping a Holley EFi system in it and I really think 8.50ís will be no issue. This also has the .96 exhaust housing. Lights up super-fast without much rpm.



Any questions feel free to askÖ.

How much boost?

Twin turbo 94 cobra in the making.

New 2.0 build thread- http://www.yellowbullet.com/forum/sh....php?t=1066874
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post #10 of 18 Old 01-05-2016, 10:56 PM
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How much boost?
about 18


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post #11 of 18 Old 01-06-2016, 01:16 PM
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We have that exact turbo on my friendís car. 408, Victor jr heads, TFS box manifold. We have been [email protected] at 3250# with just a few shake down runs and a super safe tune (21 degrees timing across the board and 11.2 A/F) We are swapping a Holley EFi system in it and I really think 8.50ís will be no issue. This also has the .96 exhaust housing. Lights up super-fast without much rpm.

Any questions feel free to askÖ.
What fuel?

Makes me feel my 14 degrees in my mod engine is on the low side.
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'04 GT: Forged bottom end, MHS Stg 3 PI heads, Hi-Tech Custom Cams, MHS Vic Jr + elbow, custom turbo kit, Precision 7175, T-56 & 3.27's. 785rwhp/725rwtq @ 20 psi.
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post #12 of 18 Old 01-06-2016, 09:04 PM
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What fuel?

Makes me feel my 14 degrees in my mod engine is on the low side.
We were running C16 and a snow meth kit. We have run this on pump gas, But we are planning on leaning on it a bit so we figured we might as well run good gas now.

I have not tuned to many mod motors so I can't comment on the timing numbers, I know the 4 valve motors usually don't run a much as a pushrod would. That being said, I think 14 sounds a little low anyway depending on fuel.

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post #13 of 18 Old 01-08-2016, 01:58 PM
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We were running C16 and a snow meth kit. We have run this on pump gas, But we are planning on leaning on it a bit so we figured we might as well run good gas now.

I have not tuned to many mod motors so I can't comment on the timing numbers, I know the 4 valve motors usually don't run a much as a pushrod would. That being said, I think 14 sounds a little low anyway depending on fuel.
I think it is kind of a grey area, at least from what I have gathered. I have heard mod motors really like 13-14 degrees, but I have heard others running 17-18 with ridiculous results.

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'04 GT: Forged bottom end, MHS Stg 3 PI heads, Hi-Tech Custom Cams, MHS Vic Jr + elbow, custom turbo kit, Precision 7175, T-56 & 3.27's. 785rwhp/725rwtq @ 20 psi.
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post #14 of 18 Old 04-24-2016, 09:30 PM
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Just a quick update, Had this to the track. Just swapped out the Gen7 and AMS 500 for a Holley HP system. Made a couple quick shake down hits, nice slow ramp, only 21 degrees timing and 18# of boost. Went [email protected], 1.38 60' [email protected] to the 1/8. This turbo lights up FAST!!! On the foot brake from idle to 9.5#@3800 in 2 seconds.


Only legal to go 8.50 with the cage, but I may throw more power at it next time and see what happens...
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post #15 of 18 Old 10-30-2016, 05:45 AM
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Another quick update. Been a while as this car broke the trans a took a while to get it up and running again.

Last trip out [email protected] 3250#. Hopefully well have it out again before winter sets in, I'd like to throw a little more at it. Went 5.36 to the 1/8.

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post #16 of 18 Old 10-30-2016, 10:36 AM
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Another quick update. Been a while as this car broke the trans a took a while to get it up and running again.

Last trip out [email protected] 3250#. Hopefully well have it out again before winter sets in, I'd like to throw a little more at it. Went 5.36 to the 1/8.
that's getting with the program there Brian

whats the whole combo if its cool to ask? what block,etc

thanks
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post #17 of 18 Old 10-30-2016, 05:18 PM
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that's getting with the program there Brian

whats the whole combo if its cool to ask? what block,etc

thanks
No problem at all. Dart block (408" motor) Victor Jr. heads, TFS Box R manifold, solid roller cam. Motor is maybe 9.0 compression or so I believe. Holley EFI as well and Y2K 88 turbo. Way old school and outdated, but doing ok for now...

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post #18 of 18 Old 12-11-2016, 10:08 AM
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So last update on this for the year. A few weeks ago we went back out, ended up going
1.26
3.48
5.34 @ 133.3
6.94
8.32 @ 162 letting out 7.9 seconds into the run lifting early. Apparently this is something he has been doing for a while and I never caught it.

This car would MPH better (Iím guessing 165-166), but apparently my friend didnít know where exactly he should be letting off the gas lolÖIn his defense, car still has stock brakes front and rear so if he doesnít have the chute out early enough he has a rear hard time getting it stopped. I had told him to pull the chute about 11-1200 feet or so, he was also getting out of it at the same time. Thatís a story for another dayÖ.

We have been happy with how it has responded, and Iíve noticed some stuff in the data we can improve on, like certain things with the Co2 and a few other tweaks. Itís definitely not going to go 7.90ís, although on a smaller motor it may but this engine really wants something a little larger on the exhaust side of things. That being said, still makes very good power and it does spool stupid fast after a few tricks. Makes 9# in 1.8 seconds lolÖwish mine spooled that fastÖ

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