Stroking

[higgster5.7]

Been reading in to some stroking ideas and just wondered what views you guys n gals had on it, id like to keep my ls1 block, was looking in to going 383 with a nice cam and heads, 1st question wheres the best place to source gear, and 2nd what sort of power gains am i going to see, cheers

[Bonnie and Clyde]

Gareth, Richard

[tinker-27]

it wiil take a 5.7 to 382 if you dont bore it as well (and you dont want to bore a ls1 block really,i have built a few stroked ls motors and they work well giving good torque and with the right cam and heads rev well aswell,building a motor is about putting all the right bits together and not just lots of after market bits together.

[stevieturbo]

Ive a 4.0" Eagle crank and set of Callies rods here that I used on my previous 382/3 engines.

Also have a pair of ported 853 heads, dual springs etc.

All you'd need is a set of pistons and various rebuild parts. I have a couple of cams here too, but unlikely any of them would be ideal.

[anonymous-user]

I have a stroked 383 as you probably know. Standard LS1 can be improved massively simply by adding a cam and ported heads. Do it properly and add a blower too for a proper torque monster.

[higgster5.7]

wormus said:

I have a stroked 383 as you probably know. Standard LS1 can be improved massively simply by adding a cam and ported heads. Do it properly and add a blower too for a proper torque monster.

what setup did you end up with wormus, im going to build it myself at some point i just cant justfy a blower so wanting a nice torquey motor for dragging etc etc

[higgster5.7]

stevieturbo said:

Ive a 4.0" Eagle crank and set of Callies rods here that I used on my previous 382/3 engines.

Also have a pair of ported 853 heads, dual springs etc.

All you'd need is a set of pistons and various rebuild parts. I have a couple of cams here too, but unlikely any of them would be ideal.

hi stevie, anychance of a pm with how much to take off your hands, another question, coud you keep the original intake?

[Boosted LS1]

stevieturbo said:

Ive a 4.0" Eagle crank and set of Callies rods here that I used on my previous 382/3 engines.

Also have a pair of ported 853 heads, dual springs etc.

OP this would be a good place to start as I know how much Stevie wants for these bits.

Otherwise you can buy short blocks from the US but I don't have a huge amount of confidence in some of their builds especially at the cheaper end of the market. If you build here it really should be dynamically balanced and you'll probably find the build quite daunting if doing it by the book. (as you should).

[rocklandboy]

opssss i got confused by the thread name, o ye wrong site...

[higgster5.7]

rocklandboy said:

opssss i got confused by the thread name, o ye wrong site...

That took longer than expexted

[anonymous-user]

higgster5.7 said:

wormus said:

I have a stroked 383 as you probably know. Standard LS1 can be improved massively simply by adding a cam and ported heads. Do it properly and add a blower too for a proper torque monster.

what setup did you end up with wormus, im going to build it myself at some point i just cant justfy a blower so wanting a nice torquey motor for dragging etc etc

I'm running Callies/Compstar. Final spec in the link below, although running a couple of pounds of extra boost.

www.hsv.org.uk/topic.asp?p=9&f=69&t=558632&h=27

A hone is all the standard LS1 block needs and as Mike says, you should get the rotating assy balanced.

[ringram]

Choose your power requirement and then select components to suit
500rwhp is within grasp, but with a pretty leery cam. 450rwhp should be nice and comfortable from that displacement and supporting mods.
Heads in the 225cc cnc ported range, cam to suit with max lift and duration selected for RPM band. Exhaust, maybe underdrive, and fast90 intake, or look into the new Mast L92 aftermarket CNC heads and stock LS3 intake.

[TerryS]

Boosted LS1 said:

stevieturbo said:

Ive a 4.0" Eagle crank and set of Callies rods here that I used on my previous 382/3 engines.

Also have a pair of ported 853 heads, dual springs etc.

OP this would be a good place to start as I know how much Stevie wants for these bits.

Otherwise you can buy short blocks from the US but I don't have a huge amount of confidence in some of their builds especially at the cheaper end of the market. If you build here it really should be dynamically balanced and you'll probably find the build quite daunting if doing it by the book. (as you should).

Likewise, I would rip Stevie's hand off for these.

[stevieturbo]

email sent

[tinker-27]

didnt think ls3 heads fit a 5.7 bore ??

[ringram]

Always something new to learn dude
Made by Cary, ex ETP head designer, now of Performance Induction IIRC.

How about 350cfm on a 3.9" bore

"LS3 12Deg 3.900"-3.930" Small Bore
$1299.99 Each Unassembled

Perfect for LS1 and LS6 engines and short-blocks."

http://www.mastmotorsports.com/black-label-page.ph...

Edited by ringram on Tuesday 5th January 14:29

[anonymous-user]

ringram said:

Always something new to learn dude
Made by Cary, ex ETP head designer, now of Performance Induction IIRC.

How about 350cfm on a 3.9" bore

"LS3 12Deg 3.900"-3.930" Small Bore
$1299.99 Each Unassembled

Perfect for LS1 and LS6 engines and short-blocks."

www.mastmotorsports.com/black-label-page.php?Section=Black%20Label%20Cylinder%20Heads&id=102

Edited by ringram on Tuesday 5th January 14:29

That's a sweet find and a bargain. I'd be interested how they compare to something like my ported 243s, better no doubt but I wonder by how much?

[ringram]

I dont think that includes springs, valves, retainers, locks etc plus you need 2 of them etc. I think they come out over $3k once complete. But yeah, they are getting good results from what I see.

[tinker-27]

not std ls3 heads then,ls3 heads also need differet cam specs as well.

[raving]

have you got a contact number?