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-   -   Ben's New Build Thread (https://www.miataturbo.net/general-miata-chat-9/bens-new-build-thread-16608/)

Ben 02-04-2008 07:44 PM

Ben's New Build Thread
 
This thread will document the progress of my new motor project from start to completion. Think of it as a blog posted to a forum, if you would. Separately I am going to keep a running tally of my build expenses, which I will post at the end.

Parts I've compiled so far:

2001 Longblock, 23k :)
ARP head & main bolts
JE Pistons, +.020, 9.0:1
CAT Rods
1999 Cylinder head
NA 1.8 cam cover, black texture w/ polished letters (to run full time)
NA 1.8 cam cover, black powder coat, exposed cam gears (for dyno days)
1999 Intake manifold
2001 Intake manifold
1999 Throttle body w/ TPS & IAC
1999 Fuel rail
1996 FPR
FMIII Manifold and DP for T25
Garrett T25
Tial 38mm EWG

Parts I still need:
Forged water pump
Bearings (all)
Upgraded oil pump
Engine gasket set
ARP intake mani bolts
Adjustable cam gears
NA 1.8 auto alternator
Coolant re-route kit
MazdaComp motor mounts (on order)

Mach929 02-04-2008 08:04 PM

i thought you were going big turbo, seems overkill for a t25

Ben 02-04-2008 08:07 PM

Naw, seems perfectly reasonable for a 200 whp turbo to me :confused:

J/K down road plans are either FMIII GT2871r or BEGi S5 w T3/T4

Mach929 02-04-2008 08:12 PM

i was pretty sure, what are your goals anyway?

MX5-4me 02-04-2008 08:20 PM

Have you thought about having the block drilled and tapped for water and oil lines?

Are you going to use a Knock Sensor? The block should have a spot for one.

What engine Management?

Stealth97 02-04-2008 08:24 PM

I hear he is using PC-Pro. 1 for every pound of boost.

Rafa 02-04-2008 08:26 PM

Ben, do you plan to just make it a blog about your engine build progress or do you welcome questions about your setup and explanations for the reasons behind your decisions?

MX5-4me 02-04-2008 08:27 PM


Originally Posted by Stealth97 (Post 209361)
I hear he is using PC-Pro. 1 for every pound of boost.


HA !

I just looked at his sig.. yeah i'm guessing i can answer my own question this time..

patsmx5 02-04-2008 08:31 PM

Yea you can scratch water pump off the list. With enough PC-Pros's intercooling there's really no need for a waterpump or cooling system to remove 'heat', since the powercard's already doing that....

y8s 02-04-2008 08:31 PM

nice ben. in your opinion do you feel the FM gasket set is worth the price? or is it one too many oil filters and spark plugs?

jayc72 02-04-2008 08:37 PM

So both the manifold and DP are for a 1.8? I thought they didn't fit together?

Ben 02-04-2008 08:41 PM


Originally Posted by Mach929 (Post 209353)
i was pretty sure, what are your goals anyway?

Going to start with 325/300 hp/tq and go from there.


Originally Posted by MX5-4me (Post 209356)
Have you thought about having the block drilled and tapped for water and oil lines?

Are you going to use a Knock Sensor? The block should have a spot for one.

What engine Management?

  1. You mean your standard turbo oil and water feeds? Yup. You mean like the HE-X? Nope.
  2. I have a knocksense. Will use it with the Bosch sensor or with the factory sensor. Hadn't really thought about it.

Originally Posted by Stealth97 (Post 209361)
I hear he is using PC-Pro. 1 for every pound of boost.

I'm planning on 2 PCPs per intake runner, 1 at the TB, plus one at the turbo for anti-lag.

Ben 02-04-2008 08:45 PM


Originally Posted by Rafa (Post 209362)
Ben...do you welcome questions about your setup and explanations for the reasons behind your decisions?

By all means. Discussion = good.


Originally Posted by y8s (Post 209367)
nice ben. in your opinion do you feel the FM gasket set is worth the price? or is it one too many oil filters and spark plugs?

Haven't looked, but knowing FM, no. I'll probably get the Mazda gasket set + Bill W's phenolic intake gasket (he sells ARP intake studs too)... n maybe one of Belfab's custom made head gaskets.


Originally Posted by jayc72 (Post 209368)
So both the manifold and DP are for a 1.8? I thought they didn't fit together?

The DP doesn't fit right as-is, but will with some work.
BEGi owes me a manifold still, so there's a high chance I'll sell the FMIII stuff for S5 stuff. Need to get pricing on the DP from Steph :eek5:

MX5-4me 02-04-2008 08:46 PM


Originally Posted by Ben (Post 209370)
Going to start with 325/300 hp/tq and go from there.

  1. You mean your standard turbo oil and water feeds? Yup. You mean like the HE-X? Nope.
  2. I have a knocksense. Will use it with the Bosch sensor or with the factory sensor. Hadn't really thought about it.

Yep to feed the Turbo..

Rafa 02-04-2008 09:12 PM


Originally Posted by Ben (Post 209340)

Parts I've compiled so far:

2001 Longblock, 23k :)
JE Pistons, +.020, 9.0:1

I'll start with these 2 if you don't mind:

why the 2001 longblock? what advantages do you expect to gain from using this one instead, say one from a 94-97 one?

And about the pistons, why the 0.20 overbore and 9.0:1 pistons?

magnamx-5 02-05-2008 12:21 AM

Lemme take a guess I think the NB's had a main girdle system implemented and i bet the pistons where on sale.

kotomile 02-05-2008 12:28 AM

Very, very nice Ben! Glad to see a Greddy owner upgrading!

Atlanta93LE 02-05-2008 07:45 AM

Sounds like a great project; hope you can do a lot of the build without touching the current car for a bit. Enjoy the weather this spring!

Ben 02-05-2008 08:38 AM


Originally Posted by Rafa (Post 209381)
why the 2001 longblock? what advantages do you expect to gain from using this one instead, say one from a 94-97 one?

And about the pistons, why the 0.20 overbore and 9.0:1 pistons?

  1. The 01+ block has the MBSP (main bearing support plate) that ties it together to make it stronger. Less flex = more powah. I had a 96 block that I sold last weekend that I was going to use, but I ended up finding a 01 block for a reasonable price.
  2. I went with JE because they have less thermal expansion than some of the other pistons out there and 9.0 because I like a car that's not a dog out of boost. Plus, I personally believe in more compression, less timing, and more tuning. And we have decent gas here (93). Unfortunately, they were not on sale. Quite the opposite actually; they were expensive. :mad:

Originally Posted by kotomile (Post 209492)
Very, very nice Ben! Glad to see a Greddy owner upgrading!

The greddy's really come together nicely. In many ways, it's a shame to touch it.


Originally Posted by Atlanta93LE (Post 209527)
Sounds like a great project; hope you can do a lot of the build without touching the current car for a bit. Enjoy the weather this spring!

I'm going to enjoy the car as long as possible before ripping the old stuff out. Besides, I still haven't put the webcam 505s in yet, and I plan to this weekend (or next).

Rafa 02-05-2008 08:59 AM


Originally Posted by Ben (Post 209340)
NA 1.8 cam cover, black texture w/ polished letters (to run full time)
NA 1.8 cam cover, black powder coat, exposed cam gears (for dyno days)

Ben, what's your reasoning for using two different cam covers? Why will you use the one with the exposed cam gears only for dyno days?

Thanks,

Rafa


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