pulsation damper
04-23-06, 08:59 PM
#3
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ok thanx for the info Syncro, so has anyone done the banjo bolt conversion for the pulsation damper and is it possible to use a damper/primary fuel rail for a N/A off a 89-91 model? supposely the better one.
04-23-06, 09:26 PM
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Pinfield do you have any pics of this on your engine, trying to picture how its installed. Kinda smell a faint gas odor when running but its seems to go away after the cars been running for like 5 minutes or so. Does it affect the performance with this mod?
04-23-06, 09:51 PM
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This afternoon I replaced my leaky PD with a banjo bolt.
Pics of Pulsation Damper on engine (intake manifolds removed)
Pics of Banjo Bolt replacing PD
Pics of Pulsation Damper on engine (intake manifolds removed)
Pics of Banjo Bolt replacing PD
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04-23-06, 11:00 PM
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oh i went to buy a new pd the other day, thinking that it would be a good idea to play it safe while i'm putting my car back together... so it turns out theyre like 175 dollars new at the dealer. **** that, i'm getting a banjo bolt. where's the best place to find a banjo bolt for this?
04-23-06, 11:04 PM
#9
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I got mine from Summitt Racing
From https://www.rx7club.com/2nd-gen-archive-72/master-list-thread-sizes-2nd-gen-nuts-bolts-367392/
I think this one is the right one: http://store.summitracing.com/partde...5&autoview=sku
From https://www.rx7club.com/2nd-gen-archive-72/master-list-thread-sizes-2nd-gen-nuts-bolts-367392/
Pulsation Dampener Banjo Bolt: M12 x 1.25
Last edited by DerangedHermit; 04-23-06 at 11:06 PM.
04-24-06, 06:06 AM
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thanx guys, Deranged where does the fuel hose connect to, this is what you posted for size on 11/11/04(Pulsation Dampener Banjo Bolt: M12 x 1.25) which one is it. Syncro not to be a pain what fitting did you use for the fuel line? can you put a pic of the banjo bolt installed on the car and do you know actaully which one you bought for your car?. Thanx again!! Sorry guys I just dont want my car to burst out in flames one day, wanna fix this ASAP.
chris
chris
Last edited by jgrts20; 04-24-06 at 06:14 AM.
04-24-06, 06:20 AM
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Originally Posted by t-too
oh i went to buy a new pd the other day, thinking that it would be a good idea to play it safe while i'm putting my car back together... so it turns out theyre like 175 dollars new at the dealer. **** that, i'm getting a banjo bolt. where's the best place to find a banjo bolt for this?
If you had a second primary fuel rail couldn't you just use the front banjo bolt to replace the pd on the installed fuel rail? I suppose it's cheaper to buy the bolt ($10 vs. $30 for fuel rail) but if you've got one laying around, go for it.
04-24-06, 06:49 AM
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The first two pics show the fuel pressure regulator (I believe). The pd is on the opposite end of that rail.
The second picture, not sure what you are showing us there. I can't really make out anything of significance.
The second picture, not sure what you are showing us there. I can't really make out anything of significance.
04-24-06, 06:58 AM
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Originally Posted by riverzendz
The first two pics show the fuel pressure regulator (I believe). The pd is on the opposite end of that rail.
The second picture, not sure what you are showing us there. I can't really make out anything of significance.
The second picture, not sure what you are showing us there. I can't really make out anything of significance.
Am I even looking at the right thing here, augh.
Last edited by jgrts20; 04-24-06 at 07:02 AM.
04-24-06, 07:37 AM
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ok with further studying on my spare motor I found out that those pics posted earlier are the secondary fuel rail, I found the primary rail. The pulsator damper on my spare one is plastic. I havent checked to see what I have on my car yet. Is it a project to take off the dynamic chamber and everything else that needs to come off to get to the primary? Im looking at the Haynes manual and looks like it gonna be a project. BTW that is a banjo bolt on my secondaries right as pictured above.
04-24-06, 07:55 AM
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The pulsation dampener is covered by a plastic cap (yellow). Or at least it's supposed to be.
You don't have to take apart the UIM (upper intake manifold) completely or anything. It just comes off, somewhat, in one piece.
You don't have to take apart the UIM (upper intake manifold) completely or anything. It just comes off, somewhat, in one piece.
04-28-06, 11:06 AM
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jgrts20- yours is an NA so just find the fron of the primary fuel rail and it will be there. it looks just like the fpr you posted in your second pic except with no nipples on it.
edit: sorry i didnt finish reading the thread before i posted...
edit: sorry i didnt finish reading the thread before i posted...
Last edited by t-too; 04-28-06 at 11:08 AM.
04-28-06, 12:55 PM
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S5 (& S6's) Pulsation Dampers are a different design than S4 designs. On S5's, the PD is welded onto the primary fuel rail. It's far less likely to fail than S4 PDs... but it happens.
05-02-06, 09:11 AM
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