What engine would you put in it?

"CB" (jrcb) 01/29/2018 at 23:44 • Filed to: Questions

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I saw some guys a few years ago building a Caterham and said they were putting an SR20 in it. What would you put up in front? Personally, either a 2.3 EcoBoost from a Mustang/FoRS, or the inline-5 from the new RS3/TT RS.

HammerheadFistpunch > CB 01/29/2018 at 23:53

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Scary__goongala! > CB 01/29/2018 at 23:53

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The correct answer is Cosworth crate engine.

TheJWT > CB 01/29/2018 at 23:54

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The R500 had an N/A 2 Liter with 265hp. I’d keep that.

CB > HammerheadFistpunch 01/29/2018 at 23:54

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Sweet anchor.

Daily Drives a Dragon - One Last Lap > CB 01/29/2018 at 23:55

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13B-REW

AestheticsInMotion > CB 01/29/2018 at 23:55

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FD rotary, mild build, swap the twin turbos for a Borg-warner 6758. Shoot for 250-300hp with an insanely fast spool, and 10k rev limit. Banshee wail all but gaurenteed. Done

I like the inline-5 idea as well.

wafflesnfalafel > CB 01/29/2018 at 23:55

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https://performanceparts.ford.com/part/M-6007-23T

HammerheadFistpunch > CB 01/29/2018 at 23:56

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Neil drives a beetle and a fancy beetle > CB 01/29/2018 at 23:58

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Hayabusa V8!

https://thekneeslider.com/hayabusa-v8-grows-up-28-liter-455bhp/  

Maxima Speed > HammerheadFistpunch 01/29/2018 at 23:58

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ALL THE TORQUE!!!!!!

The Crazy Kanuck; RIP Oppositelock > CB 01/29/2018 at 23:59

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MR16DDT.

CB > The Crazy Kanuck; RIP Oppositelock 01/30/2018 at 00:01

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Powered by JUKE.

The Crazy Kanuck; RIP Oppositelock > CB 01/30/2018 at 00:02

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You know it ranger.

AestheticsInMotion > Scary__goongala! 01/30/2018 at 00:05

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When are you putting one in the yata? Dibs on first ride-along!

sony1492 > CB 01/30/2018 at 00:06

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1st gen 1uz-fe, or in extra extra dreamland a 1gz-fe. Both backed by a 350z 6 speed (because im biased, also the uz may have the same transmission bolt points as a gz)

Scary__goongala! > AestheticsInMotion 01/30/2018 at 00:11

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OH GOD do I want one of these engines in my car. Yes you may have the first ride.

Dogsatemypants > CB 01/30/2018 at 00:27

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Volvo r turbo inline 5, or m midified tesla drivetrainwith a high output turbodiesel generator for rapid recharge.

TheD0k_2many toys 2little time > CB 01/30/2018 at 00:52

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4G63

Grindintosecond > CB 01/30/2018 at 01:01

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That bmw motorcycle i6....

Or a bmw v12 (theyre suprisingly light)

Or for the sound, a KLDE mazda with two triumph 955i itb setups. Rip snorts

gmctavish needs more space > CB 01/30/2018 at 01:02

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The Voodoo. Seems like a fun way to die

G_Body_Man: Sponsored by the number 3 > CB 01/30/2018 at 01:09

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Probably a 4A-GE blacktop.

winterlegacy, here 'till the end > CB 01/30/2018 at 01:14

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Probably won’t fit an EJ, but I don’t care, boxer engine!

Out, but with a W - has found the answer > CB 01/30/2018 at 01:15

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Street-ported 13B (non-turbo).

Bman76 (hates WS6 hoods, is on his phone and has 4 burners now) > CB 01/30/2018 at 01:23

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Atlas LLR (I’m actually planning to do this)

BvdV - The Dutch Engineer > CB 01/30/2018 at 01:27

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The Audi 5 cylinder has been done and is amazing:

(well, it’s been sort of done, as Donkervoort started out building Caterham replica’s and evolved them into this)

Personally, I would go for a naturally aspirated 13b or 20b, as they are light, and give a low centre of gravity.

promoted by the color red > CB 01/30/2018 at 01:41

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Civic Type-R crate engine

OR

Toyota 4AGE 20V or 2ZZ-GE.

Powershiftmedia-ResidentDSMGuru > CB 01/30/2018 at 03:07

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The only logical answer. 4G63, specifically 6 bolt. Rock solid reliability, unlimited power potential, massively good sound, painfully simple. This is a no brainer.

InFierority Complex > CB 01/30/2018 at 03:34

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Iron Duke all the things.

Otherwise, 2.0l Lampredi twin cam?

pip bip - choose Corrour > CB 01/30/2018 at 03:50

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Toyota 4AGE

Opel/Vauxhall C20XE (red top)

Ford Falcon straight 6 turbo

Echo51 > CB 01/30/2018 at 04:36

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How dare you mention Inline-5 and not pick the volvo Modular out of a T5. pfffft! Maybe a 1.0 ecoboost for that lightweight but 140hp?

SilentButNotReallyDeadly...killed by G/O Media > CB 01/30/2018 at 06:03

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Whatever Caterham thinks appropriate for the Gentleman’s sized version of this car as that is the only version that I could fit my tallish frame into...

for Michigan > CB 01/30/2018 at 06:09

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2JZ.

DarkCreamyBeer > CB 01/30/2018 at 06:34

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Honda L15B7 from the Civic SI. Anything mor powerful in one of those things and I’d scare myself. But can you even put an engine designed for transverse applications in a Caterham 7? You would need a bunch of custom machining to mate engine and transmission, right?

chaozbandit > CB 01/30/2018 at 07:38

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20B

Smallbear wants a modern Syclone, local Maple Leafs spammer > CB 01/30/2018 at 08:11

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One of the high performance Atlas engines (as originally intended for either the TrailBlazer SS or a planned Colorado SS), either a turbo 4.2I6 or turbo 3.5I5.

Smallbear wants a modern Syclone, local Maple Leafs spammer > Bman76 (hates WS6 hoods, is on his phone and has 4 burners now) 01/30/2018 at 08:14

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Just suggested a relative of this. The engines they FIRST were going to use for the TBSS and Colorado SS—or whatever it was going to be called—the turbo versions of the 4.2I6 and 3.5I5.

Supreme Chancellor and Glorious Leader SaveTheIntegras > CB 01/30/2018 at 08:22

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K24/20

Sampsonite24-Earth's Least Likeliest Hero > CB 01/30/2018 at 08:46

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how about the 1L 3 cylinder Ecoboost motor thats in the new euro FIST

CB > DarkCreamyBeer 01/30/2018 at 08:56

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I don’t know, I’m just a dreamer on the internet.

HPoz - I like Honda Fits and I cannot lie > CB 01/30/2018 at 09:10

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Um, LS obviously.

CobraJoe > CB 01/30/2018 at 10:12

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GM 3800 from a 4th gen F body.

Decent torque, plenty of rev range, stout as all hell. Plus it can be supercharged if I get tired of the stock 200hp.

Milky > CobraJoe 01/30/2018 at 10:20

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Would be a nice boat anchor.

Bman76 (hates WS6 hoods, is on his phone and has 4 burners now) > Smallbear wants a modern Syclone, local Maple Leafs spammer 01/30/2018 at 10:21

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I plan to use an NA 3.7 with some headers and head work, I don’t see why 300hp is out of reach.

Smallbear wants a modern Syclone, local Maple Leafs spammer > Bman76 (hates WS6 hoods, is on his phone and has 4 burners now) 01/30/2018 at 10:28

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300 should be doable. Between headers and some tuning I know they can hit ~285ish.

CobraJoe > Milky 01/30/2018 at 10:38

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Under 400 pounds... I wouldn’t want to yank that out of the water without a winch. It’s not all that much heavier than a SVO turbo 2.3L Ford, and it makes about the same power without any boost lag.

I know it’s not the best power to weight you can find, but I like displacement over boost.

Bman76 (hates WS6 hoods, is on his phone and has 4 burners now) > Smallbear wants a modern Syclone, local Maple Leafs spammer 01/30/2018 at 11:18

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Yeah from the research I’ve done the exhaust ports are pretty restrictive and the stock exhaust manifold is terrible. The forums seem to be gaining 30-45hp pretty easily with some porting and long tubes. I also plan on designing an ITB setup which should help as well. A good set of cams would help, but they’d have to be a complete custom blank and grind.

Nonster > CB 01/30/2018 at 12:41

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Ducati 1100 cc V4. 225 hp and weighs about 145 lbs.

Then slap a turbo on it just for funzies

bryan40oop > CB 01/30/2018 at 16:30

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BaconSandwich is tasty. > CB 01/30/2018 at 16:57

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1.0 L ecoboost. Enough motor to get it moving,and still be exciting without breaking the speed limit.

Or a YASA electric motor.

CaptDale - is secretly British > CB 01/30/2018 at 18:40

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S54

or TVR Speed Six

MM54 > CB 01/30/2018 at 18:55

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Either a 13B or a 5-valve 4AGE with ITBs.

I really want to build one of these, by the way...

Rusty Vandura - www.tinyurl.com/keepoppo > CB 01/31/2018 at 20:50

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292, of course.

Rusty Vandura - www.tinyurl.com/keepoppo > CB 01/31/2018 at 20:57

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Or maybe this Ford 337 CID big block: