Anyone Running Gillett Fuel Spring? - Ford Powerstroke Diesel Forum

6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 21 Old 10-30-2012, 07:22 PM Thread Starter
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Anyone Running Gillett Fuel Spring?

Any one run a gillett fuel spring? $20 ain't a bad price. It runs higher PSI than the blue spring kit.
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post #2 of 21 Old 10-30-2012, 08:00 PM
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I ran it for six months then gave it to a buddy that has had it in his truck for over five years with no issues. I noticed that the idle was quieter and on my stock truck at WOT it never dropped below 90 psi. Anyone Running Gillett Fuel Spring?-imageuploadedbyautoguide1351655827.813043.jpg
My fuel gauge with the Gillette spring is the second from the bottom.

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post #3 of 21 Old 10-30-2012, 08:02 PM
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Do a quick search for Gillette in the 6.0 section and you will soon read about the spring being detrimental to our trucks. Your best bet would be get the "blue spring" upgrade direct from Tousley Ford. You could use your local dealership, but Tousley is typically the cheapest around even with shipping.
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post #4 of 21 Old 10-31-2012, 06:39 AM Thread Starter
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I did search. I did not find one post with some one using the gillett spring caused the o-ring in the injectors blow out or any problems. The few people that have actually used them had no problems.

Every body that said that the PSI is too high has no experience using the gillett spring.

I'm looking for some one that has ran one in their truck and not some one that says they run too high of PSI but never used them
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post #5 of 21 Old 10-31-2012, 06:46 AM
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I ran one with No issues. Switched to the blue spring because I read all the warnings on too high of pressure, and then switched to an AD2. I have a Gillette spring in the garage I ordered for a buddy and then he totaled his truck. Pm me your address and I'll send it to you.

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post #6 of 21 Old 10-31-2012, 07:07 AM
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Quote:
Originally Posted by c dog View Post
I did search. I did not find one post with some one using the gillett spring caused the o-ring in the injectors blow out or any problems. The few people that have actually used them had no problems.

Every body that said that the PSI is too high has no experience using the gillett spring.

I'm looking for some one that has ran one in their truck and not some one that says they run too high of PSI but never used them
I've never used one and you make an excellent point about your query but I'll say this and take it for what it's worth; my brand new casted cylinder heads straight from Clearwater Cylinder Heads (Odessa) are only tested to 85psi. That means they could fail above that. Will they? IDK. People say the fuel pressures are too high and rarely give an example other than injector o-ring failure but you have to consider what your fuel pressure capabilities are with your cylinder heads. A $20 spring could wind up causing $1,700 in cylinder heads. Not to mention an extra $30 for tried and tested Blue Spring from Tousley isn't unreasonable. Just some food for thought and my $0.02.

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post #7 of 21 Old 10-31-2012, 07:34 AM
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Quote:
Originally Posted by c dog View Post
I did search. I did not find one post with some one using the gillett spring caused the o-ring in the injectors blow out or any problems. The few people that have actually used them had no problems.

Every body that said that the PSI is too high has no experience using the gillett spring.

I'm looking for some one that has ran one in their truck and not some one that says they run too high of PSI but never used them
Apparently you didn't search hard enough. However, since you want to act like a jack a$$ then by all means run the spring.

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post #8 of 21 Old 10-31-2012, 07:40 AM
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I run on on my truck with no issues so for. I actually make this spring for Gillette diesel.

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post #9 of 21 Old 10-31-2012, 07:58 AM
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Quote:
Originally Posted by c dog View Post
I did search. I did not find one post with some one using the gillett spring caused the o-ring in the injectors blow out or any problems. The few people that have actually used them had no problems.

Every body that said that the PSI is too high has no experience using the gillett spring.

I'm looking for some one that has ran one in their truck and not some one that says they run too high of PSI but never used them
I ran one for a few years. In fact, it was so cheap, I bought two and put one in my friend's 6.0 (still in his truck, too). The ONLY reason that I took mine out was to see what the buzz was about the blue spring. If I wasn't so tired of wrenching on that lifted beast, I'd put the Gillette spring back in.

Aside from the 95+ at idle, I didn't see any difference. Unlike Term3, mine would drop to low 60s~mid 50s at WFO. Not saying he's wrong, but mine had been in for a couple of years before putting a PSI gauge in.

Further, I agree that there are plenty out there only parroting what they have heard about the Gillette spring (as well as other "out of the ordinary" parts/processes) without actually having used/tried it. Your obligation is to do your own research and make a decision from there. Trust me, in most forums, different is wrong. As you have seen, calling out for experience not theory gets you hate mail.

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post #10 of 21 Old 10-31-2012, 08:47 AM
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Higher pressure will do nothing for you, you will loose performance from it.

Read this thread

Regulated return turn fuel psi down::

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