fivepointseven

iTrader: (19)

Basically my car is stock aside from a 2800 stall and aftermarket ramair. Its a 99 A4

The cam im looking at is a Thunder Racing cam 224/224 and .561/.561 on a 112 LSA.

How much hp could I expect to see? Is this cam or should I go with something more aggressive?!

Thanks guys

jrp

iTrader: (16)

finish your bolt ons first and get a bigger stall.

TNormZ28

iTrader: (9)

Definitely what he said. A 2800 stall is pretty low. Atleast mid 3000's and all the bolt ons.

fivepointseven

iTrader: (19)

so as of now, the cam wouldnt show much gain?

$200 for cam and retainers is a pretty sweet deal, correct?

SS346Ls1

It is a sweel deal.. and as long as you add long tube headers to the mix you'd be fine. As far as a bigger stall, everyones not in this game for track times and power numbers... I think you'd be happy with the cam.. the only other NECCESSARY mod to go along with the cam would be long tube headers, you won't see half of the cams potential without them.

PREDATOR-Z

You'll need to add:
1- timing chain
2- gaskets
3- oil pump
4- tune
5- oil/filter
6- lubricants and sealers
7- coolant
8- push rods.
9- valve springs

So all together, it is way more than $200

A set of headers, ported TB, LS6 intake will get you more power before you think cam.
I had all the bolt ons before I ventured into the cam thing.
Still cost me over $800 in parts and 3 days part time install.

GTS346

iTrader: (1)

If you don't want to spend a fortune you dont need to do #1, 2, 3 & 8. The rest I wouldnt skimp on though, but gaskets are reusable, pushrods are fine to reuse on small cam, timing chain is fine even if it looks loose thats how the stock chains are, oil pump you dont need to change unless its not doing its good and you need a replacement.

Why spend unnecessary $$ for no HP improvement, there is other internal parts weaker in the engine so if your going to do things for added insurance rebuild the whole engine.

PREDATOR-Z

>Timing chain is necessary unless you have a 01/02 with less than 35 k. (with small cam) LS2 chain is only $35
>Gaskets are $35>40 /kit so why skimp and risk a leak.
>Oil pump on pre- 01 are prawn to failure; from 01/02 they put in LS6 pumps.
>Push rods are not fuses and will flex with any non stock cam. Also stock p-rods are 7.38 and aftermarket cam lobe centerlines are .030 smaller than stock. So you end up .05 short on valvetrain geometry and stock rockers are non adjustable so you mess your lifter preload.
But hey, what do i know.
Good luck with your decision.

ZR2877

You answered my question before I even asked it. I was going to ask is a timing chain and oil pump a must when doing a cam. I getting a F10 put in my 98 this weekend. Not doing chain or pump. My car has 100,000 miles on it. I hope nothing fails after I put all this money in it.

PREDATOR-Z

On a 98?? Good luck

No flame but I cannot understand guys like you.

SS346Ls1

Since when is a timing chain a must on a cam swap? Have we ever REALLY heard of a timing chain breaking on these cars?
For gods sake its the same one they put on the c5r's...

PREDATOR-Z

Nope, the one they put on a C5R is a J-WIS chain and cost $150.00.

LS2 is a cheap option $32>35 at dealership.

You simply do not put an agressive cam profile on a 100K stock chain. at least get a NEW stock chain (which BTW is an LS2> replacement chain as per GM) as of this year.

Why do you think most modders do the double roller swap if stock chains would handle it?? (high miles stock at that)

98A4LS1

iTrader: (1)

Just to make sure I understand correctly, are you saying an LS2 timing chain will work on a 1998 LS1?

jrp

iTrader: (16)

me neither, the half assed mentality runs rampant around here.

AFTICA

iTrader: (8)

I'd like to know this also. If so what is the part #

jrp

iTrader: (16)

yes. check the ls2 section for pt#

SS346Ls1

Hmm... sponsors making money wouldn't have anything to do with that huh?

Show me a thread where someones timing chain broke... please.

DD966

iTrader: (3)

Some guys find it difficult to give advise without flaming , but with 100,000 miles, don't skimp, do it right (as mentioned by Pred Z). You'll be happy that you did. BTW $200 for that cam and retainers (titanium?) is a good deal. There's nothing wrong with letting it sit in a box until you've managed to compile what else you need (perhaps at a good price as well)

AFTICA

iTrader: (8)

A friend of mine here locally broke his chain. Wiped out the motor.
https://ls1tech.com/forums/showthrea...70#post1639370

You don't hear about it much but it does happen.~$30 for a stronger chain is good insurance. BTW part # on the LS2 chain is 12586482

Blacker

iTrader: (3)

Have you seen the slop in the stock chain. You are just asking for trouble not to replace it. You are in there anyways, why not?