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by KnightEngines
Tue Feb 25, 2020 9:49 pm
Forum: Engine Tech
Topic: Nothing like a good head...
Replies: 17
Views: 1019

Re: Nothing like a good head...

rebelyell wrote:
Tue Feb 25, 2020 8:40 pm
KnightEngines wrote:
Tue Feb 25, 2020 4:55 pm
You done good, that is a damn fine street engine!

There is a mob in enzed working on billet alloy blocks that'll go 250+ cubes.
Is it enzed that built a 600 inch SBC motor for sprintboats?
Sorry, oz slang, enzed = NZ = New Zealand.
by KnightEngines
Tue Feb 25, 2020 5:07 pm
Forum: Engine Tech
Topic: Piston ring modifications
Replies: 17
Views: 593

Re: Piston ring modifications

There was a post on here a while back talking about them.
They are not gas ported!
They have slots cut into the inside of the ring to reduce tension & improve conformability.
Short life span & potentially fragile.
by KnightEngines
Tue Feb 25, 2020 4:55 pm
Forum: Engine Tech
Topic: Nothing like a good head...
Replies: 17
Views: 1019

Re: Nothing like a good head...

You done good, that is a damn fine street engine!

There is a mob in enzed working on billet alloy blocks that'll go 250+ cubes.
by KnightEngines
Tue Feb 25, 2020 4:51 pm
Forum: Engine Tech
Topic: Necessity for inconel ex. vales in mild turbo ap?
Replies: 4
Views: 248

Re: Necessity for inconel ex. vales in mild turbo ap?

Correct.
My old twin turbo 308 holden ran cheap ass black steel valves, turbos were small (old T3) & the exhaust manifolds would glow red through the heat wrap after a hard run.
Made somewhere around 600-630hp.
Never missed a beat.
Use .060" wide seats on the exhaust.
by KnightEngines
Sun Feb 16, 2020 9:06 pm
Forum: Engine Tech
Topic: Exotic Piston/Rod Upgrade
Replies: 11
Views: 577

Re: Exotic Piston/Rod Upgrade

I got a set of pistons for a lotus 907 from Ross years ago.

Stock rods are fine, fit ARP bolts, beam polish, shot peen & resize, good to go.
by KnightEngines
Fri Feb 14, 2020 12:17 am
Forum: Engine Tech
Topic: 8.2 mexican block 338ci turbo piston ring land question
Replies: 11
Views: 378

Re: 8.2 mexican block 338ci turbo piston ring land question

Another point - your crank won't go into a 351w block.
by KnightEngines
Thu Feb 13, 2020 9:52 pm
Forum: Engine Tech
Topic: 8.2 mexican block 338ci turbo piston ring land question
Replies: 11
Views: 378

Re: 8.2 mexican block 338ci turbo piston ring land question

351w block will take it.

Ring lands will live on e85 if the tune is good.
But you don't have much margin for error in the tune, if it pings it'll break the lands.
Probably best to get some boost specific pistons - spend more up front & it'll be cheaper in the long run.
by KnightEngines
Thu Feb 13, 2020 8:45 pm
Forum: Engine Tech
Topic: 8.2 mexican block 338ci turbo piston ring land question
Replies: 11
Views: 378

Re: 8.2 mexican block 338ci turbo piston ring land question

Grout won't help, the torque of a turbo motor will tear the mains out.

You NEED an aftermarket block.
by KnightEngines
Thu Feb 13, 2020 7:27 pm
Forum: Engine Tech
Topic: 8.2 mexican block 338ci turbo piston ring land question
Replies: 11
Views: 378

Re: 8.2 mexican block 338ci turbo piston ring land question

That block will bust open like a rotted tomato.
Don't even think about it!

Get an SHP block, then worry about pistons.
by KnightEngines
Thu Feb 13, 2020 6:59 pm
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Re: Intake weld & grind project

JoePorting wrote:
Thu Feb 13, 2020 3:49 pm
Cool project!!! Have you done the before and after Dyno test yet?
No, manifold is on freight now!
by KnightEngines
Thu Feb 13, 2020 7:00 am
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Re: Intake weld & grind project

greenhj wrote:
Thu Feb 13, 2020 4:26 am
Nice work Tony!
Greeny! How you been?

I'll shoot you a msg tomorrow.
by KnightEngines
Wed Feb 12, 2020 4:53 am
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Re: Intake weld & grind project

Rob V wrote:
Wed Feb 12, 2020 4:29 am
Very interested in this project
You're longer stroke aren't you?
Wearing a domi paw now?
by KnightEngines
Wed Feb 12, 2020 1:49 am
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Re: Intake weld & grind project

No, this one is 312ci.

Lots of rpm......
by KnightEngines
Tue Feb 11, 2020 10:43 pm
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Re: Intake weld & grind project

Many!
Somewhere between 16-22, not sure, lost count.
My tig torch quit 3/4 the way through the welding & it took a week to get it sorted.
by KnightEngines
Tue Feb 11, 2020 7:41 pm
Forum: Engine Tech
Topic: Intake weld & grind project
Replies: 16
Views: 1104

Intake weld & grind project

Updating a manifold, after testing with the 4150 flange & moderate porting to determine if we were in the ballpark it was time to break out the TIG & fix some deficiencies for the application. There is a manifold available for the motor (holden v8) in a dominator style, but the runner entires & runn...