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supporting mods for 243 heads and xer281

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Old Nov 7, 2011 | 10:18 AM
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Default supporting mods for 243 heads and xer281

ok,what else do i need? Think im just going to get a valve job done,id love to cnc these but im looking for the best bank for the buck.Who is a reputable porter and or what valve job do i need?should i get bigger valves?

what are the best cheap pushrods? texas speed anygood?

what are the best cheap valvesprings i can get away with?

hate to keep saying cheap but im trying to do all this for as little coin as possible.

i know i need a timing chain,should i go ahead and get the gears too or do i need them?

oil pump-ls6 or ported ls6?
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Old Nov 7, 2011 | 10:50 AM
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Valve job
ls6 oil pump
ls2 chain only
pushrods
I am running the Patriot Gold springs ($250 new IIRC)

Don't forget head gaskets, water pump gaskets, head bolts (stock are torque to yield and cannot be reused), crank pulley bolt, oil, filter, and I'm sure I'm forgetting some odds and ends.

I would also have some new lifters on hand. Never know if one could be damaged and if the engine is high mileage they should be replaced anyway.
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Old Nov 7, 2011 | 07:07 PM
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i already have the gaskets and gm bolts,
Really want to know if beehives will be good enough for the touquer v2 equalivant cam.Also what stall do i need 3200-3400? 3:23 rear and its just a street car-weekend bruiser

wheres the best place to get the ls6 oil pump?
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Old Nov 7, 2011 | 07:20 PM
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Originally Posted by thunderstruck507
Valve job
ls6 oil pump
ls2 chain only
pushrods
I am running the Patriot Gold springs ($250 new IIRC)

Don't forget head gaskets, water pump gaskets, head bolts (stock are torque to yield and cannot be reused), crank pulley bolt, oil, filter, and I'm sure I'm forgetting some odds and ends.

I would also have some new lifters on hand. Never know if one could be damaged and if the engine is high mileage they should be replaced anyway.
Just about covers everything... although I would recommend our cam, spring, pushrod package for $599.99.

Originally Posted by 2manytoyz
i already have the gaskets and gm bolts,
Really want to know if beehives will be good enough for the touquer v2 equalivant cam.Also what stall do i need 3200-3400? 3:23 rear and its just a street car-weekend bruiser

wheres the best place to get the ls6 oil pump?
The Torquer v2 is right at the limits of the pac 1218/comp 918s, but the pac beehive 1518s would work.

We offer a ported and shimmed ls6 pump (approx. 10%better flow, and 10psi increase across the entire rpm range)

With the Torquer v2 we recommend at least a 3200 converter, in my car I would run a 3600...
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Old Nov 7, 2011 | 08:07 PM
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picked up a 3600 with 2.5 str, so need those supporting mods and should be done by the new year... now who to tune this thing!
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Old Nov 7, 2011 | 09:18 PM
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Originally Posted by Jake@Texas-Speed
Just about covers everything... although I would recommend our cam, spring, pushrod package for $599.99.



The Torquer v2 is right at the limits of the pac 1218/comp 918s, but the pac beehive 1518s would work.

We offer a ported and shimmed ls6 pump (approx. 10%better flow, and 10psi increase across the entire rpm range)

With the Torquer v2 we recommend at least a 3200 converter, in my car I would run a 3600...

Is there any real difference between a torquer v2 compared to a v3? I was looking into get on of these cams.
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Old Nov 7, 2011 | 10:44 PM
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i believe there ramp and specs are different,just like they make a ms 3 and 4,although from what ive read alot of guys like the ms3 and the v2 better because its more of a starter cam so to speak,i wanted to do it once,do it right,no baby 224 cam for me,no sir,lol
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Old Nov 8, 2011 | 12:20 AM
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Originally Posted by 2manytoyz
i believe there ramp and specs are different,just like they make a ms 3 and 4,although from what ive read alot of guys like the ms3 and the v2 better because its more of a starter cam so to speak,i wanted to do it once,do it right,no baby 224 cam for me,no sir,lol
I agree with doing it right and not cheap the first time. I have just be searching for a good DD cam before I do heads. Seems like people like torquer v2 cams, I just wanted to know if there is a big difference between the two, i.e. (more power)
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Old Nov 8, 2011 | 09:14 AM
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Originally Posted by MRMonster
Is there any real difference between a torquer v2 compared to a v3? I was looking into get on of these cams.
Shelf Stock Specs:
Torquer V2 232/234 .595"/.598" 112LSA
Torquer V3 231/234 .643"/.598" 111LSA

The difference is we used a more aggressive intake lobe with a tighter lobe separation with the V3 to allow for better midrange over the V2.
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Old Nov 8, 2011 | 09:48 AM
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Most people go v2 over v3 because they're afraid of the lift on the V3. Thats why when I did my 1st cam I chose the torquer 2, I didn't want to have to swap my springs every 15k, but shortly after I realized I'm never gonna ride this thing so I stuck a MS4 in it.
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Old Nov 8, 2011 | 04:02 PM
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Originally Posted by Jake@Texas-Speed
Shelf Stock Specs:
Torquer V2 232/234 .595"/.598" 112LSA
Torquer V3 231/234 .643"/.598" 111LSA

The difference is we used a more aggressive intake lobe with a tighter lobe separation with the V3 to allow for better midrange over the V2.
Thanks for answering my question. When I get closer to having all the cash for the supporting mods I'll be giving you guys a call for sure.
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Old Nov 8, 2011 | 04:26 PM
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so pac 1518 springs fir the bill?
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Old Nov 9, 2011 | 11:16 AM
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Originally Posted by 2manytoyz
so pac 1518 springs fir the bill?
They will work, they are good up to .650" lift!

Personally, on my car, I would run the PRC .650" Dual Springs with either of those cams just for my own peace of mind.
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Old Nov 9, 2011 | 11:50 AM
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I think the Torquer package would work well with your combo. It was one of my top 3 choices recently actually.

A friend used to have the v2 in his Trans Am and it was pretty wicked. TSP could probably make you a killer deal on everything you need.
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Old Nov 11, 2011 | 01:35 PM
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so i can have the valves grinded on both heads for 90 bux,also they can do a 5 angle valve job,is this what i want?
Should i mill the heads any?
So far parts aquired are pac 1518 springs and 243 heads(gto)
tourker v2 or xer281 however you wanna look at it.

still need opinions on timing chain and oil pump.
Ive seen the ls2 slack,that cant be good,and there is the irws chain,i dont wanna spend over 50 bones so whats the best chain?
also oil pump,should i get a stock replacment or just rebuild mine?160k but oil pressure is great 40 idle -60 running
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Old Nov 11, 2011 | 02:19 PM
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If the shop doing the valve job knows ls heads then a 5 angle would be good.

Definitely shave the heads, even a little bit helps. Mine were cut .010". If you have cam clearance, I would consider .020".

I am using the ls2 chain. I got a Lingenfelter ported ls6 pump pretty cheap, but like I said I bet TSP would make you a package deal for everything you need that can't be picked up locally.
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Old Nov 14, 2011 | 03:33 PM
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what type of power can be made with a TSP v3 and stock 243 heads
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Old Nov 14, 2011 | 04:46 PM
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^ holy trader rating batman!

thats gotta be a forum record!
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Old Nov 14, 2011 | 11:56 PM
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i have a dumb question cause im just getting into my ls1 camaro wats the difference between 799 heads and 243 heads
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Old Nov 15, 2011 | 08:27 AM
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Originally Posted by ddevt
i have a dumb question cause im just getting into my ls1 camaro wats the difference between 799 heads and 243 heads
The plant location and the 799s are often slightly rougher cast. Other than that they are virtually identical. ls6 243 heads have sodium filled valves but I've heard on corvette forums some guy even had a 243 on one side and a 799 on the other.


I would expect a v3 car with full bolt ons, good tune, manual trans, and stock drivetrain with stock 243s to make ~415rwhp. Might squeeze a little more out of its all setup perfect.
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