[Ken -Ace- Brewer]

We made 462 hp at 6000 rpm and 436 ft lbs of tq at 4300 rpm. The tq was above 390 ft lbs the whole pass!! We used a Tomahawk. I think it would have made more tq with a RPM. But the motor was going in my 69 Firebird. It made all this power with NO SPACER. Although the 770 Street Avenger carb got rich above 5400 rpm. I believe the 462 hp is the tip of the iceberg if we had a better carb.

Overall I am very pleased with the power it made. Not bad for a cast iron headed pump gas motor. Almost 1.25 per cubic inch! ALMOST! LOL

What will a race 383 do??? We will find out!

Dave Anderson will be posting pics AND graphs.

Be Cool,
Ace

[Brian Baker]

When I saw this, I thought maybe this was the engine that was going into the project Tempest on that show on Spike-TV (the one that Lou hosts).

[GOAT490]

COOL!

[Johnny406]

ACE,

Congratulations, that is AWSOME!!

[Ken -Ace- Brewer]

Thanx guys! It is a very interesting build up. Right down to the 1979.6 bobweight!! LOL!!!

Here is the specs if anyone is interested <no links please, copy and paste only>

Be Cool,
Ace

[Z Code 400]

Ken,

Very impressive figures....and yet, I am curious as to why you selected a camshaft with 8° additional exhaust duration when your heads have a 83.18% flow differential??? Were you monitoring EGT's during your dyno pulls???

Those heads Makes me feel good about my own headwork. My hand ported 6X-4's with a 1.660" exhaust valve (and 5 angle valve job) flowed 210 cfm @ .600" lift @ 28 in/H20 with an 87.5% flow differential...Robert

[Robert Williams]

Nice job Ace, i knew you could do it, i guess there will be a lot of those stroked 350's out there now.

I wonder what it would do with one of Dude's blowers on it? Thanks for the info on this one.

[wheelspin]

Nice build, Kenny .

Les

[Skip Fix]

Ken neat build. I like the scraper with the holes.

Awesome flow numbers for little valves.I dare you to try a single pattern cam to compare or even a reverse split that worked well in my RAIV motor.

[grandville455]

wow thats impressive!!! Nice Job Ken ..... Curious to see track times...

[b-man]

.....because as you can see they are definitely a great base for building some big power.

Nice work Ken, as always.

Please keep us updated on how it runs in your '69 Firebird.

Bart

[69LeManster]

Originally Posted by Brian Baker

When I saw this, I thought maybe this was the engine that was going into the project Tempest on that show on Spike-TV (the one that Lou hosts).

yeah I saw that too, he's promising a 326 stroker motor, that'd be interesting, judging from the progress with the 350 stroker, it's definitely possible.

[Ken -Ace- Brewer]

Originally Posted by Z Code 400

Ken,

Very impressive figures....and yet, I am curious as to why you selected a camshaft with 8° additional exhaust duration when your heads have a 83.18% flow differential??? Were you monitoring EGT's during your dyno pulls???

Z Code I did not design the cam. David Crower did. I kinda wondered why the cam was so big. But I ain't sayin no to a free billet cam!! LOL!!!


And to the rest of ya all thanx. I knew this would make for a decent combo. I even have the cam in a reg hydraulic flat tappet version on a 108 lobe center! Once again thanx guys. It should be in the Sept or Oct issue of HPP.

Be Cool,
Ace

[DiamondJim]

Congratulations Dude!!! I guess you passed my 425 guess(and by quite a bit), you should be proud. I knew there was a reason I didn't trash that old 350 block. Is Dave at SD going to offer these heads? -Jim

[BruceWilkie]

Much better than you could do with FACTORY iron head SBC. Who says the 350P cant compete against the 350C!

[Ken -Ace- Brewer]

Originally Posted by DiamondJim

Congratulations Dude!!! I guess you passed my 425 guess(and by quite a bit), you should be proud. I knew there was a reason I didn't trash that old 350 block. Is Dave at SD going to offer these heads? -Jim

Jim it was Daves idea for the cast iron heads. We were gonna use Aluminum D-Ports. But the manufactureres were unreasonable(and it would have gotten them good press). So Dave said he can make a cast iron head work just as good. He has this program already in the CNC. And is ready to do more!

As I said there is more potential there! I have complete rotating assemblies in stock! Many different versions. And will have many of the short blocks ready to go in STOCK!

Maybe I should call myself the King of small inch Pontiacs!! LOL!!!

Be Cool,
Ace

[PONTIAC DUDE]

Originally Posted by Ken -Ace- Brewer

Jim it was Daves idea for the cast iron heads. We were gonna use Aluminum D-Ports. But the manufactureres were unreasonable(and it would have gotten them good press).

Be Cool,
Ace

bwahahahahahahahahahahahahaha.

And how many companies are producing D-ports.

[PONTIAC DUDE]

With a small bore and kinda long stroke. I would like to see how it would perform (Dyno versa track testing) with a stock length Pontiac rod.


Ok let the scientific reasoning begin.

[BruceWilkie]

FWIW Dyno sims dont show any advantage of rod change on this one as far as the 2 rod sizes mentioned. Possibly real short rod or extra long might show but have my doubts. Maybe I'll play some with the "dyno game" later.

[Will]

Way to go Ace! those are some very nice numbers.

My dyno program thinks the stock stroke 350 I'm planning will make around 375-380 horses with a conservative cam. I'm still quite skeptical of this, but seeing your results gives me hope that it'll be close.