RX7Club.com - Mazda RX7 Forum

 
Page 1 of 20
1
2
3
4
5
11
Last »
Search: Posts Made By: rx72c
Showing results 1 to 25 of 493
Search took 0.26 seconds.
Forum: Single Turbo RX-7's
Dec 23, 2025, 05:32 PM
Replies: 776
Views: 130,551
Posted By rx72c

we have a few World time attack cars running...

we have a few World time attack cars running 30-35psi for 15-20 minutes per session.

Tuning is everything when it comes to rotary reliability
Forum: Single Turbo RX-7's
Sep 9, 2025, 04:20 AM
Replies: 776
Views: 130,551
Posted By rx72c

PTFE is the way to go.

PTFE is the way to go.
Forum: Single Turbo RX-7's
Aug 7, 2025, 04:19 AM
Replies: 21
Views: 3,452
Posted By rx72c

It's not a pressure drop from front to rear....

It's not a pressure drop from front to rear. People SHOULD NOT be measuring oil pressure in the OEM location. We made a pedestal to rectify this issue, you SHOULD be measuring oil pressure POST oil...
Forum: Single Turbo RX-7's
Jul 29, 2025, 04:20 PM
Replies: 22
Views: 3,229
Posted By rx72c

Not yet, Still early days for me seeing as I...

Not yet, Still early days for me seeing as I definitely had a fair few fail and when we replaced them with Garretts with nothing else changed, the Garrett's didn't fail. Since then as I mentioned we...
Forum: Single Turbo RX-7's
Jul 28, 2025, 04:17 PM
Replies: 22
Views: 3,229
Posted By rx72c

ive done a g42-1200 pulsar vs Garrett spool...

ive done a g42-1200 pulsar vs Garrett

spool and power was identical as far as I could see, the pulsars seem more sensitive to oil return size and oil feed pressure, I had a few fail when I got...
Forum: Single Turbo RX-7's
Jun 20, 2025, 05:53 PM
Replies: 776
Views: 130,551
Posted By rx72c

If a g40 turbine 1.5:1 at 20psi of boost a...

If a g40 turbine 1.5:1 at 20psi of boost

a g35 turbine gona be close to 3:1 at 27psi lol

like I said, you dont want to see it

my 85mm turbine at 50psi of boost is 2:1 at 9000rpm
Forum: Single Turbo RX-7's
Jun 20, 2025, 05:51 PM
Replies: 776
Views: 130,551
Posted By rx72c

hahahahahaha

hahahahahaha
Forum: Single Turbo RX-7's
Jun 19, 2025, 06:27 PM
Replies: 776
Views: 130,551
Posted By rx72c

Probably don't want to see it

Probably don't want to see it
Forum: Single Turbo RX-7's
Jun 18, 2025, 03:49 AM
Replies: 776
Views: 130,551
Posted By rx72c

If you flat shift an OEM trans your gona hurt it....

If you flat shift an OEM trans your gona hurt it.
I would continue as you are and keep sprinkling that boost. You got her singing now
Forum: Single Turbo RX-7's
Jun 15, 2025, 02:53 PM
Replies: 776
Views: 130,551
Posted By rx72c

Looks awesome. Well done

Looks awesome. Well done
Forum: Single Turbo RX-7's
Jun 13, 2025, 01:29 PM
Replies: 776
Views: 130,551
Posted By rx72c

How do your intake air temps look on that log?

How do your intake air temps look on that log?
Forum: Single Turbo RX-7's
Jun 8, 2025, 11:41 PM
Replies: 9
Views: 1,933
Posted By rx72c

Ive yet to disassemble an engine at any boost...

Ive yet to disassemble an engine at any boost level, rpm etc that has had a snapped through bolt.
Forum: Single Turbo RX-7's
May 29, 2025, 02:40 AM
Replies: 776
Views: 130,551
Posted By rx72c

Top screenshot

Top screenshot
Forum: Single Turbo RX-7's
May 27, 2025, 03:18 PM
Replies: 776
Views: 130,551
Posted By rx72c

Looking at your wideband trace your Injector data...

Looking at your wideband trace your Injector data doesn't look right.

It goes lean on the transition and rich once your over 37-40% injector duty cycle. Your minimum pulse width also looks high...
Forum: Single Turbo RX-7's
May 23, 2025, 12:48 AM
Replies: 11
Views: 1,851
Posted By rx72c

Ive done a EFR8374 on a 12AT in divided form and...

Ive done a EFR8374 on a 12AT in divided form and it was an excellent turbo for spool and HP
Forum: Single Turbo RX-7's
May 11, 2025, 06:35 PM
Replies: 59
Views: 7,603
Posted By rx72c

I make over 900HP with a 2 rotor OEM through...

I make over 900HP with a 2 rotor
OEM through bolts
4 additional mazda dowels

over 50psi of boost(35-45psi of boost over the last 2 years)

Studs are designed to clamp, not to reduce torsional...
Forum: Single Turbo RX-7's
May 9, 2025, 05:26 PM
Replies: 776
Views: 130,551
Posted By rx72c

While anything is possible, transient events are...

While anything is possible, transient events are not long enough to damage porcelain. If the porcelain is missing on the front rotor that rotor is lean. Doesn't matter what the numbers say, plugs...
Forum: Single Turbo RX-7's
May 8, 2025, 11:33 PM
Replies: 776
Views: 130,551
Posted By rx72c

His shared his timing numbers with me in...

His shared his timing numbers with me in discussion.

Ive also experimented with timing a lot and its never resulted in a missing porcelain, anytime I have had it happen its been as a result of...
Forum: Single Turbo RX-7's
May 8, 2025, 07:43 PM
Replies: 776
Views: 130,551
Posted By rx72c

In my experience your missing porcelain won't be...

In my experience your missing porcelain won't be ignition related based on your timing map. It will be fuel mixture related. It also indicates you have one rotor running hotter than the other
Forum: Single Turbo RX-7's
Mar 7, 2025, 03:50 AM
Replies: 10
Views: 2,195
Posted By rx72c

I have done that exact setup with that exact...

I have done that exact setup with that exact intake. Made 820HP @ 18PSI (mailing hub dyno on literally the same setup(projay, semipro 20b, g45-1350 , 1.44 vband)
Forum: Rotary Car Performance
Mar 1, 2025, 05:50 PM
Replies: 52
Views: 14,819
Posted By rx72c

Enough said really. lol

Enough said really. lol
Forum: Rotary Car Performance
Feb 27, 2025, 12:20 PM
Replies: 52
Views: 14,819
Posted By rx72c

Which Genius was pumping Peters tyres?

Which Genius was pumping Peters tyres?
Forum: Single Turbo RX-7's
Feb 23, 2025, 09:50 PM
Replies: 171
Views: 24,263
Posted By rx72c

Elite will struggle since half bridges don't have...

Elite will struggle since half bridges don't have enough juice to properly drive an e-gate from my experience. Even the 8amp outputs on the Nexus are slow for an e-gate. the 25s on the hand drive...
Forum: Single Turbo RX-7's
Feb 19, 2025, 12:52 AM
Replies: 776
Views: 130,551
Posted By rx72c

Whatever RPM issues you think may exist, I have...

Whatever RPM issues you think may exist, I have yet to see them at 10.5-11k
One of the WTAC cars I look after sees 10-10.5 on some corners as he prefers to stretch its legs vs having to shift ...
Forum: Single Turbo RX-7's
Feb 18, 2025, 12:57 PM
Replies: 776
Views: 130,551
Posted By rx72c

Not sure why you need all that for 10,500? I...

Not sure why you need all that for 10,500?
I did 15000 on the oem assembly multiple times(It wasn't intentional but it went there a couple of times)

I have a few turbo combos that go...
Showing results 1 to 25 of 493
 
Page 1 of 20
1
2
3
4
5
11
Last »


 
Forum Jump


All times are GMT -5. The time now is 10:17 AM.