Fuel Flow

[guzz...@gmail.com]

As I noted before I put a Blueprint 302 in my car # 68 with a ( gross ) engine dyno of 390hp/370 Torque.

It started missing or breaking up over 5300 rpm so after changing plugs and wires I looked at Fuel Flow it was a static 35 gal an hr with 5.0  pressure with a small elect pump which is marginal for the engine. So I changed to a 80 GPH mech pump and increased line size from 5/16 to 3/8. It was very easy and about $60 for pump and $80 for line and fittings. I list some of the stuff below but that alum tubing is great, very easy to bend by hand to get it to go where you want. You need about 10 gal FF per hr for each 100hp but make sure you don't have a pressure dropoff at higher rpms ( 4.5 to 5.5 for a carb ).

1)  Summit parts = 1) Pump # BPP6588                                                     $60.0

                                  2) Fittings # M08099 X2                                               $24.00

    Amazon part=     

1) brass 45degree fittings       Item    07045-0606   X2                                  $24.00

2) Hose 3/8 fuel 10'                  Item    fuel Hose-3/8  ID                                $12

3)3/8 alum tube 10"                  item     PV222-3/8-10sl                                 $13.00

4)Clamps 10 hose                    item   fuel injection fuel line hose clamps     $10.00

Thats most of it , if you order different fittings be careful of fitting hole size some are sold as 5/16 or 3/8 . No sense haveing a choke point . you can change fitting on tank to 3/8 without removing it.

                                   4)

                                    3)                          

                                   

[Tom Wallerich]

Misfiring around 5,000 rpm sounds too familiar - don’t ignore the distributor. Upgrading mine made a huge difference.

Tom Wallerich

On Jan 18, 2025, at 11:51 AM, guzz...@gmail.com <guzz...@gmail.com> wrote:

As I noted before I put a Blueprint 302 in my car # 68 with a ( gross ) engine dyno of 390hp/370 Torque.

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