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 Post subject: twin engine-yay or nay
PostPosted: Thu Jul 16, 2015 8:33 pm 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
twin engines seem like a good idea on paper that in reality just doesnt actually work, but it would still be the coolest thing i could ever build

we all know itd cost a fortune to make 600hp with one engine, and no tranny will last long at that power level
it costs nothing to make 300 with two engines tho
awd has 150 lbs of useless weight
twin engines has no useless weight
awd 1980 colt would weigh 2000 lbs
twin engine about 2400-2500

i believe that the 2000 lb colt with 400 hp is perfect and would be amazing
but twinengined would be legendary. that kind of thing would make me very talked about in my city. so i dont know
im thinking standard trannys front and rear, cables hooked together with quick release, so its switchable
i would think it would be very scary to drive in all conditions, but wet or rain would be really bad

im looking into if this would even be allowed to run at an nhra track


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PostPosted: Thu Jul 16, 2015 9:36 pm 
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The Silent Administrator
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Location: Ottawa, ON, Canada
Search the twin engine DSM.

Go from there ....


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PostPosted: Thu Jul 16, 2015 9:40 pm 
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Location: Tucson Az
I dont think they are allowed...

also both engines would have to be super precise and accurate and tuned to the max to get the same hp out of them.

a friend down here was thinking of doing this.. but he was gonna do the rear engine stock..about 200 hp for the rear wheels just to help get it going..and the front would be about 300-350.. but everyone he talked to said it was a waste of time and money.. that if he wanted to do 2 engines to figure out how to do a cheap honda and do a 150 hp and 200-250 hp motors for that.


Steve

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Steve 89 colt 2.3 stroker stock top end. evo3@20 psi 13.489@99.30mph 3/10 2012
On drag radials.auto trans.launching @ 5 psi and no traction thru 2nd.


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PostPosted: Fri Jul 17, 2015 1:13 am 
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CSM Junkie

Joined: Sat Dec 20, 2008 7:45 am
Posts: 505
Location: tampa
getting two transmissions to shift at exact same time would be the nightmare. dont do it.


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PostPosted: Fri Jul 17, 2015 6:39 am 
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CSM Junkie
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Joined: Sat Sep 22, 2012 6:40 pm
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Location: Indianapolis, IN
Clutch would be the biggest nightmare as they would have to be actuated by the same pedal and with possible the exact same line length to ensure throw is correct. Auto would be better, with a shift box so you can control the shifts

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Thom
1991 GVR4 1025/2000 (PTE 1200's, 16g, DSMLink v3, gm-maf, eagle/ross, .020 over, 272's, EVO VIII Wheels)
1992 GVR4 866/1000 (getting everything from above)


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PostPosted: Fri Jul 17, 2015 12:37 pm 
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Joined: Fri Dec 15, 2006 9:36 pm
Posts: 194
Location: connecticut
This idea makes me think I took the easy route doing AWD!!!


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PostPosted: Fri Jul 17, 2015 2:56 pm 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
i was also thinking auto but i found a vid of a twin engine mini and apparently it works well with standards hooked together. plus it would be awesome to be switchable
it wouldnt be the fastest, but the coolness is untouchable


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PostPosted: Fri Jul 17, 2015 4:37 pm 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
i really dont think it would matter if both engines were synched. for drag racing i dont think it would matter much. i think for taking corners it would be scary as hell


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PostPosted: Fri Jul 17, 2015 7:26 pm 
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Some call me a god
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Location: Eva, Alabama
Way too much work for less reward than a regular AWD swap.

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73 Dodge Colt (Project)
84 GMC K3500
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PostPosted: Fri Jul 17, 2015 10:37 pm 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
its not less reward, its high reward because its something you dont see often.
id be doing it for the coolness of it, and i would only run 250hpx2 it would just be stock junk which i have, whole project would cost nothing.
i realize it would be a lot easier to just run 450hp with one engine, and likely go faster, or just run 600 hp with one engine or more

but 1000000 guys have already done that haha
i guess ill probably still have the only 1980 awd colt either way
the deciding factor is nhra. i need to find out if this car would even be allowed to race


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PostPosted: Sat Jul 18, 2015 9:53 am 
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Some call me a god
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Location: Eva, Alabama
I just look at it as your going to spend 3 times the money trying to be different, to pull off a swap that if you ever get bored with or decide not to finish your market will be so limited odds are the car will be parted out and crushed. Two engines is twice the hassle, twice the electrical, twice the cooling, twice the exhaust, twice the cost, not to mention making them shift at the same time. Only "easy" (and i use that term very loosely) to do it is too use twin fwd auto transmissions. The weight from that isn't going to help in any racing. I like to go be the old saying "Simplify and add lightness", the plan of this is the exact opposite.

If your dead set on doing it, go ahead. I think you'd be more famous in your city if you rwd swap it than twin engine. In the end its your car, do what you want, but you will get a hand full of people that think its great, many more thinking you wasted a lot of time and money.

_________________
49 International KB-2
72 Dodge Colt
73 Dodge Colt (Project)
84 GMC K3500
85 Dodge D50 Diesel Swap
90 Mighty Max V6
89 Mirage Turbo
94 Mighty Max
99 Montero


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PostPosted: Sat Jul 18, 2015 2:37 pm 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
i like the opinion, really i do
nobody would care if it was rwd, theres akready a rwd 80s laser here with a v8 etc

twice the cost?
not true!
how do you figure?
i already have two engines, they cost nothing, stock engines and trans are dirt cheap!!!

it would cost nothing, just a ton of labor
ten second car for under 2 grand for sure!!!!
twin autos would work perfect, but would not be nearly as cool


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PostPosted: Mon Jul 20, 2015 7:05 am 
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Member

Joined: Fri Dec 15, 2006 9:36 pm
Posts: 194
Location: connecticut
Ton of work and like Natedog said" twice of everything"!!!

I also wonder if you are dreaming with the 10 second thing. It's not easy to get these cars in the 10's with one motor. Some have done it but many have not.

The coolness factor will be huge but I also see this being a 2/3 finished project that never gets finished. If you really have the ambition to do this then go for it!!

Good luck,
Mark


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PostPosted: Mon Jul 20, 2015 10:46 am 
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CSM Junkie

Joined: Wed Jan 30, 2008 7:55 pm
Posts: 447
Location: Saskatoon, Saskatchewan
theres a vid of a twinny grand prix type thing, two turbo 3.8 autos, guy claims low 9's with 600 hp each in a my guess 4500 lb car
if its true than 600 in a 2500 lb car would easily run 10s

i believe 100 percent in the concept and that it would work. there was also a awd quad engined car way back in the 60s, famous drag racer exhibitionist, the drivetrains not connected, it does work

but there are so many downsides it just like everyone knows isnt worth the effort
im not going to do this, im too concerned they wont even let me run at the track.

it would be legendary though

its something ive wanted to do forever now
but yeah i havent really had a lot of support
nobody thinks it would work

everybody who knows me knows i dont abandon projects


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PostPosted: Mon Jul 20, 2015 12:38 pm 
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Some call me a god

Joined: Mon Sep 24, 2007 5:50 pm
Posts: 1219
Location: Htown, TX
You say it's a high reward project. The only people you will be impressing are high schoolers. Anyone who knows anything about cars, knows two engines is highly stupid for many many reasons. If you want to do it, do it. But I don't think you'll get the response you want.


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