54 replies to this topic

[TK383]

In Qld it'd be hard to go past Pete at Horsepower engineering.

[unclefestal34s]

my engine builder and personal friend Ned from Hercules competition engines in sydney will build and cater for your needs with realistic and affordable build,.he's constanly building 355's over 383's and recently designed a oil pump to counter the oil pressure problem encountered with 308's which he sells to the public and via precision engine parts,..also runs a very accurate engine dyno ..i'm sure he won't mind me putting his workshop number out there 02 9718 0189 or mobile 0425 343-393..very honest and knowledgeable,.

[Redslur]

My 355 is a big dollar Hercules engine Festa. Got all his good bits in it too. Am running it down the strip again on the 13th of this month.  Hoping to crack a 10 second pass this time. It went 382RWHP.  On his engine dyno was well over 550 FWHP.

[unclefestal34s]

your engine Gerry made close to 570 hp from memory with big torque figures it was originally built for a very good friend of mine then matty got it,..it will high tens with minimal fuss in full street trim with a good compound tyre on it if your not afraid to drive it,..unfortunately matty was afraid to drive to it which was greatly disappointing for him and for others who there to support him,..kept threating to race it and asked me a million times what numbers will it run well now you can show him...good luck with it 

[Redslur]

Run it once already and ran 11.3's but had massive wheel-spin all through the 60ft so am opting for full slicks this time. Should go a 10 now.

[unclefestal34s]

it needs a full slick tyre as its a extremely aggressive engine,..i organized some 4.11 gears for it are they still in the car..? what speed did you go through the traps at..

[Redslur]

it needs a full slick tyre as its a extremely aggressive engine,..i organized some 4.11 gears for it are they still in the car..? what speed did you go through the traps at..

Not that quick through the traps.  Only 119MPH, But it was a scolding hot day and I have since found out i was running it with 4 burnt out plugs and only pump fuel. So this time round it will have octane booster in it and full slicks and new plugs.  I think it will go much better this time...  Still got the 4"11 gears in the back too.

 

Once I have run the car again, I plan to detune the engine as it is not really a suitable street car engine. It is too cranky and bloody thirsty especially with a 5500 conveter and 4.11 gears.  So the top end will come off and I will sell it, change the cam to a mid range solid, fit a milder set of heads and a dual plane TQ manifold.  Will still go hard enough for me.  Probably still be good for a high 11 second pass just like the last 355 I had.,

[ozyozyozy]

The holden 355 is a great engine for down low, mid range torque, much better than an LS.
Seen A few stroker engines been built in a way to make too much down low torque, they just try to blow the tyres off.
If you dont have the chasis to handle that, it becomes not pleasnt to drive.
If jt helps, a few of us in the west have found the holden engine does noy like more than 30 degrees total timing, 32 max.
They may make more power on a dyno with more and they dont seem to be detonating BUT they dont survive in the real world, pop head gaskets, main bearing caps move(even 4 bolters).
Everytime we use more than 30 they dont hold together. Keep it at 30 and they go all day every day.

[Redslur]

Actually running 26 degress total.  Backed it off from 28 on the dyno.  Think a big part of my problem is it needs a better ocatane fuel as it is a high comp engine. .Anyway, will blaze the tyres again down the qaurter and then pull it down and tame it a bit more for street use. Don't need the biggest engine on the block LOL...

[IMORAL]

There are allot of HP figures thrown around here. What was the torque figures out of curiosity

Gerry
5500 convertor! What cam are you running and whats the comp if you dont mind me asking.


I got 3 cracked pistons to prove 308's dont like allot of timing lol

[rexy]

I think some are confusing a good strip engine with a good street engine.
For the street low and mid range torque are king. Allows more street friendly gearing, economy and engine preserving lower rpms.
With the ET streets on the back and a well practiced driving style grip is never a problem.
Keeping the 572 in the ute hooked up on the street isn't a problem so a lumpy plastic stroker shouldn't cause any fear!

Speaking of reliability problems as above, I think it would be extremely helpful for people to indicate what their combo is, how much power/ torque it makes at what rpm AND how long it has hung together. For the average guy with a street car the latter is pretty important.

[ozyozyozy]

5500 is a big stall.
Hahaha ouch nice work on 3 pistons.

Im not a big fan of going BIG comp, most people i see do it, run a cam with alot of overlap to bleed off the comp which then renders it kind of pointless.
I prefer a reasonable comp and less overlap which helps build cylinder pressure.
How fast a valve opens and shuts is more important than lift.
weight of the internal components is a big factor too.

[Redslur]

My engine was a race engine and not really suitable for street use IMHO. It goes like stink and sounds like a grumpy pig and is fun to drive for sure.  But not what I am after.

 

I am with Rexy and want a nice street combo so I can actually drive it to the track, drive it to Toranafest and still run a low 12 or high 11 second pass.  Just like the 355 engine I my last Torry. It would still blow Skap's skirt up when I pass him and fill his vagina with dust!....  He'd be too scared to go for a run in it the way it goes now :-)

 

Mine is 12:1 comp, a solid roller 260@50 and over 60" lift. It made a maximum of 573 hp and 480 ft pounds on the engine dyno. That was using 106 fuel. I didn't have the engine built.  I just bought the car with it in it as the car was what I was after.  Only ever wanted to run the car to get the 10 seconds pass it was built for then was going to detune it back to 450hp. All you need in a torry :-)

 

Anyone wanna buy a nice engine in two weeks time :-)

[Redslur]

As much as I would love an LS powered Torry, this car is too nice to go away from what Holden made them with...bar a few little touches like diff and gearbox :-)

[BIG KEV]

LS Powered Torana
I just finished building my ls2 motor it has been stroked to 408 and I cant wait to start it .....
if you want more inches stroke it ...lol

[Redslur]

Hey Gerry, did you say ur last street able 355 was a come race built engine, which you were very happy with?

Yep sure was.  COME Crank, alloy heads, and solid cam with a Harrop single plane manifold.  Made a very solid - reliable 450 hp in an injected set up and ran 11.9's all day without a problem.

[gtrboyy]

Mine is vh commo 355 stroker,built trimatic4500 stally & 4.56 gears...drives decent enough for slow speed driving & traffic,sounds angry neighbours hate it although it'd be a bitch for highways lol.

f280 cam,harrop single plane & crank,mild heads apparently,srp forgies roughly 10;7 comp.

Feels grunty getting faster more I play with it..old owner claims it's 10's capable...I dont think so tbh.

 

Eventually will have to come out for rear main seal or whatever oil leak is...thinking of upping comp to run e85 & leaving it pretty much same,maybe tighter convertor.

 

Got to find someone I like/trust to sort it properly..thinking Ned/solo hercules

[ozyozyozy]

Heads up the e85, everyone i know that has or is running e85 on a NA engine is having issues,
Mainly tuning them specially if driving on the street, they cant find a happy medium.
Efi setups have better luck but still takes more time.

It also Requires more regular oil changes and the fuel system needs to be flushed if the car is left sitting around, as it gums up and corodes engine parts.
a number of rally engines have been pulled down to find the entire engine requires replacing due to bad corosion.