Why do people do wild swaps(RB, LS1), when u can just buy a Porsche, Ferrari, etc?

[ZDan]

Originally Posted by fooddude

- The LS3 is underrated using a new rating system while the LS376/480 is overrated using an older rating system...resulting in them being very similar and the 480 only making 20whp more than the standard LS3. (I'd probably just get the regular LS3 then if that's the case...then maybe getting my own better cams than those mild 480 "hot cams")

The 480 hot cam engine is only about $400 more than the LS3, and I know of one in an FD that made an honest 450rwhp with no mods. I.e., more like 50rwhp over the standard LS3. That's quite a lot of bang for the buck, really.

I'd definitely go the 480 hot cam route if I ever need to replace the engine in my FD. The engine in there now makes a little more (463rwhp on the same dyno), but I'd rather just buy a known bullet-proof GM-built engine and throw it in the car than build a modded one and have to worry about potential issues...

[Reaper]

This car becomes a handful on street tires over 400wtq.

[fooddude]

Originally Posted by ZDan

Loss between the crank and the dyno drum is really more like 12-15%, not 20-25%. 550whp is impressive, but is nowhere near 733 at the crank (25% loss). More like 633.

Dyno results can be all over the place anyway. My LS2 with LS3 heads with a cam dynoed 517rwhp at one dyno, 463rwhp at another. Dragstrip (129.2mph)and Texas Mile (184.8mph) results suggest the car has similar power/weight to a ZR1, which means it's making about 540hp at the crank scaling power/weight. Obviously, the 517rwhp measurement was a bit optimistic!

Ya..I agree. Idk where that 25% loss came from lol. I think he was exaggerating a bit. 12-15% loss is more realistic.

And yes, all dynos will have different age and calibration...and also different type/model. Dynojet is much different than a Mustang dyno

Also a little accidental typo/miscalc in ur post if u dont mind ...550whp would be more like 687hp at the crank if using that overexaggerated 25% gain/loss factor (not 733).

Ur car sounds very interestng tho. Mind posting vids/pics

[fooddude]

Originally Posted by ZDan

The 480 hot cam engine is only about $400 more than the LS3, and I know of one in an FD that made an honest 450rwhp with no mods. I.e., more like 50rwhp over the standard LS3. That's quite a lot of bang for the buck, really.

I'd definitely go the 480 hot cam route if I ever need to replace the engine in my FD. The engine in there now makes a little more (463rwhp on the same dyno), but I'd rather just buy a known bullet-proof GM-built engine and throw it in the car than build a modded one and have to worry about potential issues...

That does sound tasty...450whp stock... With oem reliability to boot. Mmmmm

I'm assuming the springs and valvetrain parts are upgraded as well in the 480 to support that hot cam, correct?

[fooddude]

It's funny how this thread straight up converted me and got me hooked now, lol. I wouldn't mind one bit having a supercar/porsche/ferrari/gtr/etc-killer on the cheap. Just listen to that monster

[ame="https://www.youtube.com/watch?v=ikbniJJppcQ"]Pure Auto's FRSS- The LS2 Swapped 2013 Scion FRS! - YouTube[/ame]

[Reaper]

that car has a stock frs radiator.......hmmmm

[White64Goat]

It also has a new beefier bottom end.....ultimate sleeper car. It just sounds so bad ass hearing that LS-2 and being stuck into the FR-S. And it fits amazingly well.

Why buy a Porsche when you can do this. Guys have been stuffing big engines in cars since the dawn of the automobile, what's the difference in this? None.

I mean, why would you yank a 427 out of a Camaro and stick in a 572? Same difference.

[Poodles]

Nice job...until I saw the flex radiator hose. Just screams "hack job" anytime I see one.

[fooddude]

Originally Posted by Reaper

that car has a stock frs radiator.......hmmmm

I am looking fwd to seeing Vorshlag's cooling solution/technique...I have a feeling they'll reuse the stock radiator and just make new hoses similar to that one. Idk tho..we'll see.

Also looking forward to the other Vorshlag bits and how they'll do it - fuel pump/lines/reg, battery placement, headers, driveshaft, if they'll use the stock diff/axles, etc.

[Sithspawn]

If I was going to do some kind of swap into the FR-S, I'd do something crazy and put in a Hyabusa V8 engine from RPE: http://www.radicalperformanceengines...Macroblock-v8/

I'd get the 3.2L motor that makes 500bhp, 320ft-lbs of torque (that's 100ft-lbs per litre, all motor!!!), revs to 10,500rpm and weighs 194lbs. Oh yeah, and flat plane crank with ITB's.

Also, if I'm not mistaken, this is basically the same motor used in the Ariel Atom V8.

[inertia]

Originally Posted by fooddude

It's funny how this thread straight up converted me and got me hooked now, lol. I wouldn't mind one bit having a supercar/porsche/ferrari/gtr/etc-killer on the cheap. Just listen to that monster

The unexpecting would not even guess that noise would come from a small 86 chassis. I would not classify NA LS2 86s as supercar/gtr killers though.

[fooddude]

Originally Posted by inertia

The unexpecting would not even guess that noise would come from a small 86 chassis. I would not classify NA LS2 86s as supercar/gtr killers though.

Haha..that would be funny. People would be looking around and in their mirrors at a stoplight probably, trying to pinpoint that loud noise and looking for some big domestic while looking past/over the little 86.

Ya maybe not LS2s...but maybe LS3? ...or even the HotCam LS3 480? ..I think theyd be quite different than a 350hp LS2 ...and I know the gtr is wicked fast, especially modded. But I meant against a bone stock gtr.

[fooddude]

Originally Posted by Sithspawn

If I was going to do some kind of swap into the FR-S, I'd do something crazy and put in a Hyabusa V8 engine from RPE: http://www.radicalperformanceengines...Macroblock-v8/

I'd get the 3.2L motor that makes 500bhp, 320ft-lbs of torque (that's 100ft-lbs per litre, all motor!!!), revs to 10,500rpm and weighs 194lbs. Oh yeah, and flat plane crank with ITB's.

Also, if I'm not mistaken, this is basically the same motor used in the Ariel Atom V8.

Really neat lookin engine. But I bet it costs grip loads of money. Not to mention it looks like a super modified(not in stock form like a crate LS3) and race only engine (ie: race does not equal reliable. Eg: certain race parts use materials that dissipate heat quickly and/or is lighter, over materials that last longer, but are heavier, such as SS). Idk if that is built for longevity and reliability, or if it's only built to win races and only last a few seasons/sessions. But, that 10k rpm, ITBs and its' feather weight def sounds super awesome tho

Isn't the Atom powered by a built Honda B16 engine? Or was that a different TG episode? Lol ...or, I guess they have a V8 version now that uses the engine you mentioned?

[cf6mech]

Originally Posted by fooddude

I am looking fwd to seeing Vorshlag's cooling solution/technique...I have a feeling they'll reuse the stock radiator and just make new hoses similar to that one. Idk tho..we'll see.

Also looking forward to the other Vorshlag bits and how they'll do it - fuel pump/lines/reg, battery placement, headers, driveshaft, if they'll use the stock diff/axles, etc.

The kit will include an appropriate radiator, so no, not the stock radiator , the kit will also include a aluminum one piece driveshaft, engineered long tube headers specifically for the 86 and a major header manufacturer making a lot run for Vorshlag. Do not compare this kit to shops or individuals wanting to be first to drop a LS engine into a 86 and post a static or dyno U-tube video. This shop has been doing LS conversions in all sorts of platforms for 12 years and have had great success mostly for track orientated cars.