 fuel pump, switching to carbs finally |
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| nycchef |
 Aug 28 2008, 03:56 PM
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#1
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mechanical moron  Group: Members Posts: 952 Joined: 28-November 05 From: new york city n.y. Member No.: 5,202 Region Association: None  |
finally switching my tired old 1.7 with FI, to a 2.0 with dual weber 40's . what is the best fuel pump to install. my old one is up front so i assume the new guy will go there.also what should i do with the old return line (is the old bolt and clamp method safe?) and where should the filter go? thanks as always in advance (IMG:style_emoticons/default/biggrin.gif)
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| r_towle |
Aug 29 2008, 09:40 AM
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Custom Member Group: Members Posts: 24,599 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States 
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I would suggest that you get a high quality carb pump from holley or others (CBperformance) and an adjustable regulator to keep the pressure in the range of 2-3 psi.
I would prefer to mount my fuel pump under the passenger side engine shelf in the stock location because low pressure pumps dont like to pull fuel up hill. they can push uphill alot better. Put the regulator in the engine bay so you can adjust it easily along with a fuel pressure gauge inline. Its not required to close off the return line and some/many people actually use the return line. The idea is to allow the unspent fuel to return to the tank thus keeping a fresh supply of cooler fuel at the ready for the carbs... Cooler fuel means better combustion. Rich |
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| nycchef |
Aug 29 2008, 09:52 AM
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#3
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mechanical moron Group: Members Posts: 952 Joined: 28-November 05 From: new york city n.y. Member No.: 5,202 Region Association: None |
QUOTE(r_towle @ Aug 29 2008, 07:40 AM)  I would suggest that you get a high quality carb pump from holley or others (CBperformance) and an adjustable regulator to keep the pressure in the range of 2-3 psi. I would prefer to mount my fuel pump under the passenger side engine shelf in the stock location because low pressure pumps dont like to pull fuel up hill. they can push uphill alot better. Put the regulator in the engine bay so you can adjust it easily along with a fuel pressure gauge inline. Its not required to close off the return line and some/many people actually use the return line. The idea is to allow the unspent fuel to return to the tank thus keeping a fresh supply of cooler fuel at the ready for the carbs... Cooler fuel means better combustion. Rich which pump do you recommend. cb performance has a 2-3 psi and a 5+ psi if i remember correctly. both are rotary pumps. also is there a diagram of how to connect the return line from the carbs.? rich you still want the tub? spokes i have 2 working fuel pumps. i will be getting rid of the entire 1.7 system including the engine if i don't screw up the 2.0 install. |
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Posts in this topic
nycchef fuel pump Aug 28 2008, 03:56 PM
rhodyguy lower capacity pump from cbperformance. appropriat... Aug 29 2008, 09:19 AM i love porsche richie!
good to hear from you...no advice he... Aug 29 2008, 09:25 AM
rmital
richie!
but let me know when you need some h... Aug 29 2008, 09:27 AM i love porsche let me know when, and ill do my best =] Aug 29 2008, 09:31 AM Spoke If your old FI pump is on the market, let me be th... Aug 29 2008, 09:44 AM rhodyguy 2-3. while retaining the return line might be help... Aug 30 2008, 07:39 AM rhodyguy 2-3. while retaining the return line might be help... Aug 30 2008, 07:41 AM r_towle 2-3 PSI.
Carbs never need more than that. Any more... Aug 30 2008, 07:54 AM hot_shoe914
2-3 PSI.
Carbs never need more than that. Any mor... Aug 30 2008, 08:20 AM nycchef Thanks for the great responses guys. I'm also ... Aug 30 2008, 09:36 AM r_towle
Thanks for the great responses guys. I'm also... Aug 30 2008, 12:00 PM nycchef [
You need to buy two cheap items.
An elec fuel pu... Aug 30 2008, 02:08 PM hot_shoe914
[
You need to buy two cheap items.
An elec fuel p... Aug 30 2008, 02:14 PM nycchef You can buy a fuel pump cheaper. I priced one toda... Aug 30 2008, 02:21 PM rmital ...forget about fuel regulators...what's on th... Aug 30 2008, 11:36 AM nycchef [quote name='rmital' post='1073329' date='Aug 30 2... Aug 30 2008, 02:24 PM rmital ....see you for lunch...I'll let you enjoy you... Aug 30 2008, 09:21 PM nycchef so here is the setup i am thinking of going with
d... Sep 1 2008, 08:35 AM rhodyguy borrow a fuel pressure gage to verify the pressure... Sep 1 2008, 09:02 AM nycchef
borrow a fuel pressure gage to verify the pressur... Sep 1 2008, 09:16 AM |
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