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WTBRotary's Drummond Build

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Old 11-19-2013, 10:08 PM
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Drummond Built
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TX WTBRotary's Drummond Build
Well, after much thought and deliberation I felt it was about time to make a build thread.

After going through 3 remans in my late 2005 RX-8 and finally after getting denied for a new reman, I decided it was time for a proper engine for my 8. My old reman only dyno'd 180whp with my mods & a MM tune which means compression was low.

Decided to go with Daryl Drummond as my builder. For the engine I used an 04 ORIGINAL engine, no reman, with 7K miles on the clock that had some autocross use on it.

The Car: Late 2005 Winning Blue Mazda RX-8 GT with 76K miles.

Old:

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Current:

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The Engine:

Daryl Drummond Rebuild (262hp @ FW, 181 ft-lbs tq.)
  • BHR Flywheel
  • Exedy "Mazdaspeed" clutch
  • Minor Port work (Cleanup)
  • All new OEM seals
  • Broken in/dyno'd & balanced
  • Upgraded Oil Pressure

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New Build Modifications:
Daryl Drummond Rebuild
Progress Tech Springs (Replaces old Tein S.Tech springs)
PowerGrid End-Links
Racing Beat Short Tube Headers
Racing Beat Oil Cooler Hose Set
Greddy Spectrum Elite Exhaust (Replaces Racing Beat Rev8 exhaust)
Mazmart Ron Davis Radiator
RX8 Performance Motor Mounts
Ingalls "Stiffy" Engine Damper
New Koyo HD Release Bearing (Replaces my old Koyo HD w/15K miles)
New OEM Radiator Hoses
New OEM Fuel Pump
New Gates Racing Performance Belts
Mazda FL-22 coolant
Flex Innovations Grounding Kit
New Winning Blue Custom Paint Job from Advantage Autoworks Classic Car Resoration (www.AdvantageAutoworks.com | Autobody Collision Repair | Dallas - Ft. Worth)

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These aren't all of my mods, only the new mods bought for this Drummond build

Current List of Modifications:

Engine & Exhaust:
Daryl Drummond Rebuild (262hp FW., 181 ft-lbs tq.)
Greddy Spectrum Elite Exhaust
Racing Beat Short Tube Headers
Racing Beat Oil Cooler Hose Set
BHR Midpipe w/o Davesport Cat
AEM CAI
BHR Ignition System
BHR 9lb Flywheel
Exedy "Mazdaspeed" Clutch
Koyo HD Release Bearing
RX8Performance Motor Mounts
Ingalls "Stiffy" Engine Damper
Gates Racing Performance Belts
Racing Beat AC/Oil Cooler screens

Cooling:
Mazmart Ron Davis Radiator
Mazmart Thermostat 76C
Mazmart Waterpump

Suspension, Wheels, Tires, and Brakes:
Enkei RPF1 18x9.5 +45mm
Michelin PSS 265/35-18
Progress Tech Springs
Koni Yellow Shocks
Progress Tech F/R Sways
Mazdaspeed F/R Strut Bars
Racing Brake Slotted Rotors F/R
Racing Brake SS brake lines
Agency Power SS clutch line
Hawk HP+ brake pads
PowerGrind F/R Endlinks

Engine Management:
Cobb AP

Exterior:
Fresh Winning Blue Paint
Appearance Package w/ Front Bumper Clear Bra (Totally worth it)
Seibon CF TS hood custom painted WB
Enkei RPF1's
Last edited by WTBRotary!; 11-19-2013 at 10:29 PM.
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Old 11-19-2013, 10:10 PM
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Old reman:

180whp w/ mods & tune = no bueno

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Then Boom went the dynamite! It still ran though somehow...

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Old 11-19-2013, 10:10 PM
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Current Progress:

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Old 11-19-2013, 10:13 PM
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Old 11-19-2013, 10:14 PM
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Aside from our builders it seems are builds are very similar.

Looking forward to final WHP numbers
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Old 11-19-2013, 10:32 PM
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Taking into consideration drivetrain loss of 15-20% should give me a realistic ~220whp
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Old 11-19-2013, 10:36 PM
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Not reading until you put a turbo on.
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Old 11-19-2013, 10:38 PM
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Thats where I was hopping to be, suffered high RPM misfires and only managed 190WHP at 7K RPM. Have not been able to resolve the issue yet, so waiting until summer to try it again.
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Old 11-19-2013, 10:39 PM
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Originally Posted by shadycrew31
Not reading until you put a turbo on.
^^^ Hey now! I read the rules for this section and it has porting done to it!!!
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Old 11-19-2013, 10:46 PM
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Originally Posted by Carbon8
Thats where I was hopping to be, suffered high RPM misfires and only managed 190WHP at 7K RPM. Have not been able to resolve the issue yet, so waiting until summer to try it again.
Hmm... Im sorry to hear that. Im sure you've checked the ignition and compression right?
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Old 11-19-2013, 10:48 PM
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Originally Posted by WTBRotary!
^^^ Hey now! I read the rules for this section and it has porting done to it!!!
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Old 11-19-2013, 10:49 PM
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WTB, don't dyno your 8. If you are happy after getting it tuned just drive it man.
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Old 11-19-2013, 10:52 PM
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Yeah, I mean I already know roughly what its gonna make. I really don't want to dyno it because of the discrepancies in different dynos etc. I feel I am gonna be happy considering I haven't been able to redline my 8 in over a year... I can't wait for the first WOT run to hear that rotary roar!!!

Lets just say a dyno is not on my list of priorities...
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Old 11-19-2013, 10:54 PM
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Myself, Charles, and Kane are still not sure what's causing my misfire all components are brand new. I will worry about it in the spring when I can drive it again. In sure it will get sorted out.
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Old 11-19-2013, 10:55 PM
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^^^ Carbon, who was your engine builder?
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Old 11-19-2013, 11:07 PM
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how much is one of these engines? Mine has low compression and I'd rather not buy one from mazda since it will likely fail again.
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Old 11-19-2013, 11:15 PM
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^^^ Its not cheap. Drummond doesn't build his engines to street specifications, He builds race engines. Therefore, I paid a pretty penny for this gem... I would not recommend Daryl Drummond for any average rebuild.

If you would like pricing I suggest you email him at daryl@drummondengines.com
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Old 11-19-2013, 11:21 PM
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Originally Posted by SPHINX144
how much is one of these engines? Mine has low compression and I'd rather not buy one from mazda since it will likely fail again.
Just take the price of a ported engine from Pettit or Pineapple Racing and more than double it.
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Old 11-19-2013, 11:27 PM
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Originally Posted by 9krpmrx8
Just take the price of a ported engine from Pettit or Pineapple Racing and more than double it.
Not quite that high... but when you include all new OEM seals and shipping its close to double...
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Old 11-19-2013, 11:39 PM
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Originally Posted by WTBRotary!
Not quite that high... but when you include all new OEM seals and shipping its close to double...
A new petit build with new everything is around $5500 no shipping.
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Old 11-19-2013, 11:44 PM
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Originally Posted by shadycrew31
A new petit build with new everything is around $5500 no shipping.
Add $1900 and that was the total including shipping... So more like 1.5X a Pettit
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Old 11-19-2013, 11:47 PM
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My pettit build was under 4K with shipping

Of course my core had 29K on it and was not damaged nor suffered low compression so I was able to reuse housings, irons, and rotors. Just needed bearings, seals, and portwork
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Old 11-19-2013, 11:49 PM
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The engine I used only had 7K miles with some autocross use, and was an original engine. So I reused the housings, irons and rotors as well...
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Old 11-19-2013, 11:53 PM
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Originally Posted by Carbon8
My pettit build was under 4K with shipping

Of course my core had 29K on it and was not damaged nor suffered low compression so I was able to reuse housings, irons, and rotors. Just needed bearings, seals, and portwork
But you also have to remember I had mine broken in and dyno'd so that cost some extra as well. It would of cost less If I didn't want him to break it in and Dyno it for me but I figured it would be neat to have it broken in and to have a engine dyno sheet.
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Old 11-20-2013, 12:00 AM
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What was his break in procedure?
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