I was very interested in having a list at my disposal - does anyone have one of these? Perhaps the price and possible rwhp gain too would be great!

 

I started a list for myself. Click "Mods Chart" in signature. Although, as big as it is, it's very incomplete. No hp gain for most items, and you can't necessarily go by the hp gains that are shown. The prices are (for the most part) complete and accurate.

 

There are such things, but be WARNED, they are for the most part useless.

1. Prices are always changing, different vendors charge different amounts. Plus something like a catback can vary between $200 and $1000 and still show the same gain.

2. There's thing called diminishing returns. Essentially ALL advertised HP gains claimed by manufacturers are compared to stock (and still often highly inflated or unlikely).

There simply is only so much HP available from an LS1 before the internals (heads, cam, etc.) become the restriction.

In reality a full bolt on LS1 will usually see somewhere from 340-360rwhp. This variance is due to dyno types and corrections factors. This can easily account for 20rwhp difference even from the same car.

Auto's tend to make less rwhp, although the engine will be just as powerful.

Sure if you are after a dyno queen then lightweight drive & propshaft combined with skinny lightweight alloys and tyres and low friction lubricants can net you a few more rwhp, but in this case the engine won't actually be producing any more HP.

Now as far as diminishing gains goes just look at all the claimed HP gains from all the bolt on's and add them together.

Example: 2000 LS1 manual 6 speed, ~345bhp SAE Net and ~300rwhp SAE Mustang Dyno.

-Ls6 intake = 15rwhp
-ported TB = 8rwhp
-lid = 15rwhp
-air filter = 2rwhp
-smooth bellows = 2rwhp ( )
-TB-bypass = 5rwhp (again )
-Pulley = 10rwhp
-Caback = 10rwhp
-!cats or high flow cats & mid pipe = 10rwhp
-Lt headers = 25rwhp
-electric waterpump = 10rwhp

These are all figures I seen claimed for these mods. And I'm sure there are still more mods I've missed. But we are already up to 112rwhp extra

So with bolt on's you can get 412rwhp SAE on a Mustang Dyno or 440rwhp SAE on a Dynojet. And claim to have a 470-500bhp motor.

But saldy this is total BOLLOX!

To see that kind of HP you'll need either a wild cam as well, or for most a decent cam and heads.

So remember the claims are only ever over stock.

 

Ported tb, lid, paper filter, LTs, ORY, and magnaflow catback.

Put down a solid 350rhwp/tq

Just installed ls6 intake so now I'm looking for a solid 360rwhp/tq after tune.

 

Good numbers. What Dyno was it on and what correction? Also what level graph smoothing? Cheers?

 

Cheers? hahaha. Is that like saying "Cool!!??!"

 

More like ta, or thanks. Unless it's drink then it just means bottoms up!!!!

 

I don't think most Americans are familiar with this term either.

 

Does that mean you don't know what they are or that you don't have them?????










j/k

 

https://ls1tech.com/forums/showthrea...full+bolt+list

https://ls1tech.com/forums/showthrea...full+bolt+list

 

Dynojet.......the link is in my sig.

 

not to mention some people consider different things bolt ons..like I consider heads bolt on because its not hard to do them. I also think nitrous is a bolt on too because its easily installed.


author of this thread, dom a lot of research. These cars don't have "stages" like other cars get. That **** always annoyed me, I have a stage 3 audi a4, wtf would that mean?

 

Stage 3 means there's so much useless **** that you would probably fall asleep listing it...

 

6rwhp from the TB Bypass... yeah right, maybe 0.25rwhp on a good day

 

No no no.... I meant why did you say Cheers with the question mark following it. Is that like Sike? haha

 

I dunno about that. But I'm pretty sure he's smoked a *** or too before.

 

As stated at the bottom of the list: "HP gains are approximate figures based on claims often made by those who sell these products" (take it with a grain of salt). In this case the claim comes from here: http://www.bmrfabrication.com/tb-dyno.htm

 

Bear in mind that in UK it's quite normal to bum a *** (translation = to borrow a cigarette )

 

Thats why I said it.

Burn a *** omg........you would get arrested for that stuff over here!

 

I agree people have different views.

But a cam is just as easy??? In fact if you have the tools and ability no mod is really that hard to do, just time consuming. I think it's pretty accepted that anything that touches oil or internal engine components isn't a bolt on.

Arguable items come in the form of non engine components such as gears, stalls and suspension.

Again I think you'd be with the minority here. Nitrous is a power adder and isn't normally considered a bolt on. I mean a Procharger kit isn't that hard to install either. But if someone was claiming a bolt on only setup and was making 480rwhp with the blower and a 200 shot with the nitrous it's a whole different ball game compared to your regular 350rwhp bolt on Ls1's.