L 35 head, help

slpcamaross97

slpcamaross97

New member
Ok well found an leakdown past exhaust valve. so head now have to come off......

So since head are off i have some L35 heads. which i think are a direct swap?

Do i have to use a custom PCM tune since the heads flow better?

What are the best RR to use with the head?

Should i have the rocker studs changed?

Can i use all the stock intake gaskets, head gaskets? etc?

Should i use a ARP head bolts/studs? what part#?

Is their anything im missing?
 
Osmosis

Osmosis

New member
Re: L 35 head, help

Anytime you do a preformance upgrade, you need to tune the car for the modifications. Your current tune may work, but to see max preformance a tune is needed.
 
dgoodhue

dgoodhue

BuSTeD 4.3
Re: L 35 head, help

If L35' head are your only mod, it's probably OK to use the stock chip. L35 flow about 10% more than the stock heads. Anything that changes air flow is going to change the tune.
 
slpcamaross97

slpcamaross97

New member
Re: L 35 head, help

Where can i get a tune? truck has intake and exhuast and no cat.

I guess if i run L35s i would be running some kind of RR. is their like a mail order tune?
 
midnightbluS10

midnightbluS10

Banned
Re: L 35 head, help

RPM does mail order tunes, IIRC. Check with Mike Hood at Hood Tuned Performance and Nolan at Campbell Automotive, too.
 
wildphil

wildphil

I Love My Ty's
Re: L 35 head, help

If your L35 heads already have metric screw in studs you can buy metric to standard screw in studs. I don't remember the part number. But a search should find it. If they have press in studs then you will need to have them tapped. Then you use the same studs as the small block chevy.
 
mildtowild

mildtowild

Custom Upholsterer
Re: L 35 head, help

wildphil said:
If your L35 heads already have metric screw in studs you can buy metric to standard screw in studs. I don't remember the part number. But a search should find it. If they have press in studs then you will need to have them tapped. Then you use the same studs as the small block chevy.
Click to expand...

i looked to to long ago and had trouble finding them. if anyone knows where to get them let me know.
 
wildphil

wildphil

I Love My Ty's
Re: L 35 head, help

I think these are the correct ones verify b4 buying.

http://www.summitracing.com/parts/ARP-100-7201/


Here is a thread about screw in studs


http://www.syty.net/forums/showthread.php?t=41201&highlight=m10+stud

I think these are the ones I used. On the roller rockers I used. The studs needed to be longer. Some people buy hardened washers for under the studs to raise them enough to be able to thread the nut on enough.

I used guide plates. Since I had self alighning rockers. I trimmed them so they would not touch the pushrods. Your machinist may have a old set of guide plates you can pick up cheap.
 
syclone rider

syclone rider

New member
Re: L 35 head, help

slpcamaross97 said:
So did anyone have problems with the rocker stud being to short? should i just go with 1.5 RR?
Click to expand...
Id use 1.6 rockers and the machine shop should be able to get the studs you and definitly change to standard the price defference between new arp studs was crazy.
 
slpcamaross97

slpcamaross97

New member
Re: L 35 head, help

syclone rider said:
Id use 1.6 rockers and the machine shop should be able to get the studs you and definitly change to standard the price defference between new arp studs was crazy.
Click to expand...

Ok so what should i tell the machine shop? im doing this through a phone and having my brother drop off the heads.

So i need 3/8 studs install
Do i need to have them install some kind of special longer studs or was that only a few guys problem running that brand of RR?

IF i do 1.6 RR they will be from Hood pef.

Just need to get all the info so i have no problems i only get half a weekend each week to work on the truck so i have limited time and need stuff to go smooth.
 
It's just a six

It's just a six

Super Member
Re: L 35 head, help

Are you going to do @ least some pocket porting on the heads?

Just need to port the short & long turn radius' & just the throat area under the valves to gain the most CFM & minimun amount of $$$,,,,polishing is just for the awe factor.:2cents:
 
slpcamaross97

slpcamaross97

New member
Re: L 35 head, help

Any more info on RR studs and the problem with being to short.

do i need to machine anything on the had to run 1.6 RR?

Needs help quick need to place order and tell the machine shop what i want.
 
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