Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   BGTV8 VQ40HRGA Race engine build (http://www.the370z.com/engine-drivetrain/104574-bgtv8-vq40hrga-race-engine-build.html)

Elmo370z 01-18-2019 02:45 PM

Yes updates

Rusty 01-18-2019 02:51 PM

Quote:

Originally Posted by Elmo370z (Post 3816772)
Yes updates

His wife might have shot him by now. :rofl2:

AlWakRa 01-18-2019 05:40 PM

I want to hear some engine noise :yum:

BGTV8 01-20-2019 01:54 PM

Nope ... M150 has been running the car for a while (OEM engine but no sequential box yet though).

Car is being stripped for a cage and new engine and sequential box should be in during March.

Lots of other sh1t happening as well .... my old race car suffered a small detonation moment at Winton Festival of Sports Cars in August and broke a ring land/ring so that engine had to be re-linered and a couple of new pistons ..... and then we took the opportunity to grind a new cam and those who understand will get the rest - more lift equals more head-work and piston fly-cuts to make it all work.

I really should baseline the old race car and stop spending money on it and finish the Zed.

Rusty 01-20-2019 02:40 PM

Thought maybe the wifey got tired of it all. And thrown you off a bridge with the motor as a weight.

Rusty 03-21-2019 06:33 PM

Hey BG, is this the motor you're using?

http://www.youtube.com/watch?v=AvKjgo4TUa4

Spooler 03-21-2019 08:14 PM

I want an M150 too. Would love to hear your feedback.

BGTV8 03-22-2019 01:27 AM

Quote:

Originally Posted by Rusty (Post 3836086)
Hey BG, is this the motor you're using?

http://www.youtube.com/watch?v=AvKjgo4TUa4

94mm stroke rather than 96 and I will be running E85 but same heads, cams but slightly lower CR and everything else similar apart from 1.75" primaries on the exhaust. We have the mandrels for 2" primaries though.

Cage is prety much done, needs inspection from Scrutineer and final engineering signoff before was can fix the cage certification they blow paint over the internals and it all start to come together.

1slow370 03-23-2019 10:44 PM

Like the same heads? I know jwt did quite a bit to those heads beyond a port and polish. I have begun the process of working with them on a special engine for my s30.

BGTV8 03-27-2019 04:23 AM

We all started with HR heads from a late model 350Z.

Sasha's new engine had significantly more machining for valve buckets that mine and Clark's airflow figures are a tad higher than mine, so I don't expect to get to >500.

We should get close to 500 and I'll be well pleased with 480-490 and over the moon is we do see 500 or 501, but we give away 2mm of stroke and 1.5 points of compression (but we are using E85).

Knowing what is known now, Clark has done done an outstanding job of work with this engine.

1slow370 03-30-2019 07:38 PM

Thats what i was wondering, i didnt know if you bought the jwt big lifter race heads that they do? But arent on their website.

1slow370 03-30-2019 07:42 PM

What cam are you running, c12's? Kelford?

BGTV8 06-15-2019 02:57 AM

Quote:

Originally Posted by 1slow370 (Post 3838677)
What cam are you running, c12's? Kelford?

I am running the C12/RZ1 combo and our own CNC porting on HR heads - remember this project actually started 4 years ago ........

I have a Quaife 69G sequential (ratios are 2.759, 2.05, 1.565, 1.268, 1.116 and 1.000 to 1) to go behind the engine with an OS Giken clutch. I have 3.9 and 4.08 FD ratio's. The MOTEC manages flat-shift on the up-change (strain gauge in the shifter) and when we get the ITB's controlled by the Jenvey DBW motors, I'll put paddles on the steering wheel and we'll go auto-blip on down-shift and rev-match on up-shift.

BGTV8 06-15-2019 03:00 AM

1 Attachment(s)
And this just arrived yesterday .....

Rusty 06-15-2019 01:39 PM

Someone just bought the SPL catalog. :rofl2:


All times are GMT -5. The time now is 02:13 PM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2