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Author Topic: tips for turbo engine spec  (Read 3386 times)
Rocket Ron
Hero Member
*****
Posts: 2861


It's old school for a reason


« on: January 06, 2009, 09:52:14 am »

Hi all

Just picked up a CB  turbo / efi cb set up and I'm looking for some help with the engine spec..

I would like to use a pair of the JPM heads as I've been impressed with the cars running these and they seem to have more cooling area than most performance heads,  but I'm looking for some help with rods, timing gears, compression ratio, cam, turbo size etc .

I have a 2276 with IDA's which was built for me in my bug and I'm real happy with. I'm told that this size of engine go together fairly easy, so I'm thinking of this sort of size engine again

It will be going into the ghia I've got and this will be fulll street weight plus cage. The ghia got irs out back so I'm looking to run a uprated bus box.

My goal would be to run a 11.99. What sort of hp and set up do I need for this.

I think the problem is going to be lack of grip as I'm limited to the size of wheel I can get out back.

Any tips or pointers for a turbo virgin  Grin
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13.12 @ 101.84

Grooving out on life

You can't polish a turd but you can roll it in glitter
yvre
Sr. Member
****
Posts: 412


Der Autobahn Scrapers


« Reply #1 on: January 06, 2009, 10:08:25 am »

There you go:

http://www.turbobobefi.com/

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richie
Hero Member
*****
Posts: 5629



« Reply #2 on: January 06, 2009, 20:00:27 pm »

Hi all

Just picked up a CB  turbo / efi cb set up and I'm looking for some help with the engine spec..

I would like to use a pair of the JPM heads as I've been impressed with the cars running these and they seem to have more cooling area than most performance heads,  but I'm looking for some help with rods, timing gears, compression ratio, cam, turbo size etc .

I have a 2276 with IDA's which was built for me in my bug and I'm real happy with. I'm told that this size of engine go together fairly easy, so I'm thinking of this sort of size engine again

It will be going into the ghia I've got and this will be fulll street weight plus cage. The ghia got irs out back so I'm looking to run a uprated bus box.

My goal would be to run a 11.99. What sort of hp and set up do I need for this.

I think the problem is going to be lack of grip as I'm limited to the size of wheel I can get out back.

Any tips or pointers for a turbo virgin  Grin


Ron ,look at what Mike lawless has done to his ghia regards fitting the slicks and a bus box  here:

http://home.comcast.net/~mlawless29/wkr.htm

You would need to be looking at about 300hp to guarantee 11s,given the way turbo cars launch and you have to shift the thing.I have PM you some more Wink

cheers richie
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Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
Roman
Hero Member
*****
Posts: 656



« Reply #3 on: January 06, 2009, 21:23:37 pm »

You don't need any turbo to run 11.99 with JPM heads!
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richie
Hero Member
*****
Posts: 5629



« Reply #4 on: January 06, 2009, 22:19:21 pm »

You don't need any turbo to run 11.99 with JPM heads!

With a full weight ghia with cage,bus box,IRS and driver weighing about 2400lbs? you think? Wink

 it should end up really drivable with sensible compression for english fuel and still run that with ease Smiley

cheers richie   
Logged

Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
Rocket Ron
Hero Member
*****
Posts: 2861


It's old school for a reason


« Reply #5 on: January 06, 2009, 22:56:42 pm »

Hi all

Just picked up a CB  turbo / efi cb set up and I'm looking for some help with the engine spec..

I would like to use a pair of the JPM heads as I've been impressed with the cars running these and they seem to have more cooling area than most performance heads,  but I'm looking for some help with rods, timing gears, compression ratio, cam, turbo size etc .

I have a 2276 with IDA's which was built for me in my bug and I'm real happy with. I'm told that this size of engine go together fairly easy, so I'm thinking of this sort of size engine again

It will be going into the ghia I've got and this will be fulll street weight plus cage. The ghia got irs out back so I'm looking to run a uprated bus box.

My goal would be to run a 11.99. What sort of hp and set up do I need for this.

I think the problem is going to be lack of grip as I'm limited to the size of wheel I can get out back.

Any tips or pointers for a turbo virgin  Grin


Ron ,look at what Mike lawless has done to his ghia regards fitting the slicks and a bus box  here:

http://home.comcast.net/~mlawless29/wkr.htm

You would need to be looking at about 300hp to guarantee 11s,given the way turbo cars launch and you have to shift the thing.I have PM you some more Wink

cheers richie

Good read I've pm'd you back

i saw something like this where they took 1.5/8" from each side and fabed up some new shock mounts off the frame horns and then tied it together through the floor etc they go a 235 radial under a stock low light body using irs 

Ps just put a bid on a fk45  Wink
Logged

13.12 @ 101.84

Grooving out on life

You can't polish a turd but you can roll it in glitter
Roman
Hero Member
*****
Posts: 656



« Reply #6 on: January 07, 2009, 11:05:19 am »

You don't need any turbo to run 11.99 with JPM heads!

With a full weight ghia with cage,bus box,IRS and driver weighing about 2400lbs? you think? Wink

 it should end up really drivable with sensible compression for english fuel and still run that with ease Smiley

cheers richie   

2400 lbs, that's heavy! If it is 2400 lbs I agree, you would need around 300 hp to get into the 11's with some margin.
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Neil Davies
Hero Member
*****
Posts: 3437



« Reply #7 on: January 07, 2009, 11:14:53 am »

You don't need any turbo to run 11.99 with JPM heads!

With a full weight ghia with cage,bus box,IRS and driver weighing about 2400lbs? you think? Wink

 it should end up really drivable with sensible compression for english fuel and still run that with ease Smiley

cheers richie   

At 2400lbs is Ron going to fit in a Ghia? Shocked Cheesy

Sounds like a nice project though Ron, and Mike Lawless' site is a vey interesting read. I've got it bookmarked at home... Wink
Logged

2007cc, 48IDFs, street car. 14.45@93 on pump fuel, treads, muffler and fanbelt. October 2017!
Rocket Ron
Hero Member
*****
Posts: 2861


It's old school for a reason


« Reply #8 on: January 07, 2009, 19:32:05 pm »

You don't need any turbo to run 11.99 with JPM heads!

With a full weight ghia with cage,bus box,IRS and driver weighing about 2400lbs? you think? Wink

 it should end up really drivable with sensible compression for english fuel and still run that with ease Smiley

cheers richie   

At 2400lbs is Ron going to fit in a Ghia? Shocked Cheesy

Sounds like a nice project though Ron, and Mike Lawless' site is a vey interesting read. I've got it bookmarked at home... Wink

Its alright Neil I'll have to start weight watchers, should be able to get the pounds off by the time the cars ready Cheesy

The lawless site is boked marked here as well  Cool
Logged

13.12 @ 101.84

Grooving out on life

You can't polish a turd but you can roll it in glitter
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