Author Topic: advice for suitible motor for vw drag car  (Read 1131 times)

Offline dannyboy

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advice for suitible motor for vw drag car
« on: April 12, 2017, 11:33:36 AM »
hi all
ive just started reserching the pros and cons of fitting a rotary motor in my vw bug .ive been rcing it with vw motor for years and this is now a secondary cr due to buildign a chassis car.so id like to have some fun fitting a rotary motor .ideally id like to end up with 400rwhp tops but the reserch ive done so far has been based on rx8 motors and from the sounds of it they dont like to be messed with to much.i dont claim to know a lot about the ins and outs of any motor, but i have been racing cars for years so im aware i need to pay money for experience.so go easy on me
any dvice on what type of motor that would be a good bse to start from would be greatly rcieved. the adapter plate /flywheel kit is easy to get hold of for all motor options so im all ears
look forward to hearing your replys
danny :)
 

Offline clive

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Re: advice for suitible motor for vw drag car
« Reply #1 on: April 12, 2017, 01:22:43 PM »
 :welcome: to MRC Danny,

I'm sure you have done a google search on Rotary VW Beetle and seen it brings up loads.

Because RX-7 FD engine prices are going up and up you will maybe be better trying to find a Turbo II engine or a donor car as this will give you a route to a 400bhp motor.     

All the best Clive

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Re: advice for suitible motor for vw drag car
« Reply #2 on: April 12, 2017, 03:09:50 PM »
Grant on here has a motor turbo ecu that was destined for a drag  project ....you too should speak...
Keep us posted with the project.

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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline dannyboy

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Re: advice for suitible motor for vw drag car
« Reply #3 on: April 12, 2017, 07:38:12 PM »
thanks guys for welcome .what model motor do i look for when searching a turbo II motor ? as i say I'm new to the motors so 13b.20b ......  :-[
hers a few pics of car last year rung the vw motor

Offline clive

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Re: advice for suitible motor for vw drag car
« Reply #4 on: April 12, 2017, 09:15:07 PM »
RX-7 Turbo 11 years are 1988-1991 (pictured)

There  was also a non Turbo version but this is easily identified by the lack of a bonnet scoop
« Last Edit: April 12, 2017, 09:17:25 PM by clive »
All the best Clive

Offline dannyboy

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Re: advice for suitible motor for vw drag car
« Reply #5 on: April 12, 2017, 10:25:00 PM »
Grant on here has a motor turbo ecu that was destined for a drag  project ....you too should speak...
Keep us posted with the project.

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there area couple of grants  when i searched the members list  :) but the motor turbo ecu setup could be a good plan if its available

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Re: advice for suitible motor for vw drag car
« Reply #6 on: April 13, 2017, 07:23:28 AM »
Grant Monkhouse on members list....was expecting him to be a long soon...lol he are resident drag guy. He had an rx3 and was building a drag car but family priorites came along and project stalled...i know he has an alladins cave of rotor parts...ill pm him. 

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92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

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Re: advice for suitible motor for vw drag car
« Reply #7 on: April 13, 2017, 07:28:05 AM »
Ive pmd him...hopefully hell be along and introduce himself soon.

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94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

Offline Grant Monkhouse

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Re: advice for suitible motor for vw drag car
« Reply #8 on: April 13, 2017, 07:39:04 AM »
Hey welcome. Iv got an array of parts. Just at work. I will throw a list of stuff together as soon as I get chance.

Motor I have got has been rebuilt and bridge ported. Never been run.


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Offline dannyboy

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Re: advice for suitible motor for vw drag car
« Reply #9 on: April 13, 2017, 01:00:13 PM »
cool look forward to hearing from you, thanks for warm welcome guys   :great:
as i say im not looking for a massive power plant just some good fun. in the bug 400 rwhp should see mid  9s all day  :13: but ill be happy to build the motor up to this  as funds allow

Offline Grant Monkhouse

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Re: advice for suitible motor for vw drag car
« Reply #10 on: April 15, 2017, 05:38:36 PM »
Right Iv got
60mm Tial wastegate
Full bridge ported turbo 2 motor (ideal for you imo, the engine mounts come from the centre of the engine i.e. The centre plate)
Inlet manifold which has 2 x 55mm throttle bodies
Manifold has 2 x 450cc injectors and 2 x 1680cc, more than enough fuel for 400 hp
I have a twin plate clutch HKS GD pro I think.
Haltech E11v2 ecu,
Electric water pumps and bolt on manifolds etc. Plus some other stuff I can't think of right now.

Oh a borgwarner S366 turbo


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Offline re japi

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Re: advice for suitible motor for vw drag car
« Reply #11 on: April 15, 2017, 06:01:21 PM »
What gearbox you are using? Cause best option is Finish SSF wheel built dogbox. Many US Beetle racers use it. It is the best :)
Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

Offline re japi

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Re: advice for suitible motor for vw drag car
« Reply #12 on: April 15, 2017, 06:06:09 PM »
BTW, what happened that dude who was building +400whp Fiat 600 dragcar several years ago?
Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

Offline dannyboy

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Re: advice for suitible motor for vw drag car
« Reply #13 on: April 15, 2017, 07:47:47 PM »
gearbox is a 4 speed 091 bus box with weddle gears and  pro rings  :)

Offline re japi

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Re: advice for suitible motor for vw drag car
« Reply #14 on: April 18, 2017, 05:51:56 AM »
Ok, good. Cause with that power, stock boxes are like handgranades :D

One dude here has done lots of testing with stock boxes. He says that it will give up somewhere around 250horses, but turbos torque will blew it up earlier...

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Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1