dj theoretic

Let me know if this is needed. I heard so many things. just want to know the straight up answer??? help anyone Please !!

BlueIntegraBoy

iTrader: (5)

I ran without a 4040 prop valve with just my rear disk conversion without any problems. Braked fine and didn't lock up at all.

94EG8

Same here, i never changed mine, actually i went to honda and compared part numbers between my Sedan Canadian LX (US DX i believe) and the part number for my my prop valve is the same as a '92 Si hatch with rear discs, so i'm really not convinced there even is a difference.

pepsiDX20

I have full gsr brakes on my DX coupe. I did NOT switch the prop valve or m/c, booster and it works fine. just make sure that you bleed everything properly.

CIVICTUNER04

i did the rear disk conversion on my del sol and now my breaks are all kinds of mushy and doesn't wanna stop. i have bleed them prob. 2 dozen times. they have new rotors(cross drilled and slotted) , new pads and m.c going on tom or tues. does any one think that because i have my vaccum manifold coming off that line that its messing up my breaks???? it is before the check valve any oppinion greatly appreciated

riceburnerryan

when i did my rear discs i didnt switch my prop valve, but i did get the GSR master cylinder and brake booster... it worked fine, like the guy above me said, just make sure you bleed

OMGWTFBBQ!

The proper way to do things is to buy a new prop valve. So you dont have to, but you should.

vannak_5415

just make sure when you do the conversion, make sure you bleed it or it will lock up in like a week, it happed to my brother 2 days ago. and he just used a 2000 si proportional valve and its work fine

BlueIntegraBoy

iTrader: (5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by OMGWTFBBQ! &raquo;</TD></TR><TR><TD CLASS="quote">The proper way to do things is to buy a new prop valve. So you dont have to, but you should. </TD></TR></TABLE>

Not really, as mentioned, the Si hatch (non-ABS) has the smaller 9.5" front brakes with rear 9.4" disks and a 3035 prop valve. This is the same as the Civics without the rear disks.

94EG8

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BlueIntegraBoy &raquo;</TD></TR><TR><TD CLASS="quote">Not really, as mentioned, the Si hatch (non-ABS) has the smaller 9.5" front brakes with rear 9.4" disks and a 3035 prop valve. This is the same as the Civics without the rear disks.</TD></TR></TABLE>

'94 - '95 Si's i believe got larger front brakes, can anyone confirm, also i've seen engine bay pics of Si hatches with the larger 15/16 master cylinder. what i guess i want to know is, is the larger master cylinder due to larger front rotors or ABS?

BlueIntegraBoy

iTrader: (5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94EG8 &raquo;</TD></TR><TR><TD CLASS="quote">

'94 - '95 Si's i believe got larger front brakes, can anyone confirm, also i've seen engine bay pics of Si hatches with the larger 15/16 master cylinder. what i guess i want to know is, is the larger master cylinder due to larger front rotors or ABS?</TD></TR></TABLE>

Only the 94 Si ABS had the 10.25" front brakes. Larger MC for larger front brakes (larger front calipers). Basically the 94 Si ABS has Integra brakes on.

94EG8

Thanks, that definately answered my question.

roycivic92

i have the 40/40 prop valve,drums need less presure so im going to change it . i had to many close calls. when u brake hard the front tend to lock up quicker. my set up is gsr all around.

BlueIntegraBoy

iTrader: (5)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by roycivic92 &raquo;</TD></TR><TR><TD CLASS="quote"> i have the 40/40 prop valve,drums need less presure so im going to change it . i had to many close calls. when u brake hard the front tend to lock up quicker. my set up is gsr all around.</TD></TR></TABLE>

When you go to a larger front setup, it is recommended you change the prop valve. When you just have the rear disk conversion with the 9.5" front, you don't need to.

dj theoretic

damn thanks guys for all your answers. It will help a lot when I do my rear disk breaks!!!