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2005-2010 Mustang Talk Forum

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Unread 03-14-2014   #1 (permalink)
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Default Jasper reman engine review

I just picked up my 2005 GT yesterday after having a Jasper reman engine installed. I have to say that I'm really impressed with it so far. The engine arrived with steak seasoning in the crate as swag as well as fishing lures. The engine came with a nice light gray paint. It certainly looks better than the rusty metal that the stock Ford engine tends to look like after a while.

I've only put 60 miles on it but I can tell there are a lot of differences from stock. The first thing is that the engine is quiet. I don't mean like quiet quiet, but none of the usual engine knocks, rattles and ticks like they usually have. Since I bought the car at 40,000 miles, it always rattled at startup. It doesn't now. It's just smooth all the way. The throttle response is more smooth as well.

The car does pull a lot harder at takeoff than it ever did. I now wonder if my car ever ran correctly. Some of that is probably the new Exedy Mach 350 clutch, but I do notice a huge improvement in low end torque. It's really hard not to chirp in 1st gear. I am on an 87 tune right now during the 500 mile break-in period, so I don't know about high end power yet. I also lost my FRPP cams because I would have voided the warranty having them installed. I am only allowed to mod everything except for the long-block itself, which includes cams. So, I did lose the high end power the cams provided. I traded them for an FRPP manifold that hasn't arrived yet, so hopefully that may make up some of the difference in the high end.

So far, I am impressed with the quality of this reman and if you want a close to OEM engine that has improvements, I would recommend the Jasper reman.

I will write back as soon as the break-in period is over and I can go back to my 92 octane tunes and get the break-in oil out of the system.
 
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Unread 03-14-2014   #2 (permalink)
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sounds good so far, thanks for the update
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| 2010 GT coupe | Red Candy / charcoal | 5MT | Premium pkg | Daily Commuter
| whiney FRPP 3.73 gears | Roush CAI | 35% tint | custom STB | FRPP KR's | Bama 93R for the summer | Steeda UDP's | Shaftmasters alum d/s | 19x9.5 GT500 wheels with Goodyear F1's | Steeda Sport springs on GT500 struts/shocks and Steeda HD mounts | Brembo brakes | GT500 sway bars | JLT oil sep | TVS2300 still on the wish list
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Unread 03-14-2014   #3 (permalink)
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Originally Posted by JBert View Post
sounds good so far, thanks for the update
I've never driven a car that wasn't broken in before, but I can tell things are starting to loosen up. I thought I would have to relearn to drive my car, but it is starting to drive like it's old self again, only without the annoying squeaks, rattles and ticks from the engine bay. For whatever reason, the new engine seems to have cured the infamous center stack rattle problem.
 
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Unread 03-15-2014   #4 (permalink)
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Good to see you kept us posted. Like I said they have a pretty good reputation around here for fleet vehicles. It is good to know a option, besides a $5000.00 short block is available for us working stiffs.

T Wayne
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Unread 03-16-2014   #5 (permalink)
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Thanks T. Wayne. The more I drive the new engine the more I like it. It's a little torqueier (new word!) I think because of the higher flow oil pump. Since the VCT system is driven by oil pressure, it seems the car is more responsive because of it. It's like how you might fantasize your 4.6 as being in a perfect world, where there is no noise except the noise of a powerful motor. No ticks, clatters, no rattles, no waiting for the car to warm up to get rid of the noises, the transmission is even quieter (I thank Exedy for that) and the acceleration is MUCH smoother. I can't wait to get it on a dyno. I will post again once that happens. I don't anticipate that happening for a couple of months though.
 
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Unread 03-16-2014   #6 (permalink)
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please keep us posted.
I was looking at a reman 5.4 to swap into my 96.

If the engines are good, I'll jump.
Beats the gamble of an ebay or junkyard motor.
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Unread 03-17-2014   #7 (permalink)
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Quote:
Originally Posted by OneMoreMod View Post
Thanks T. Wayne. The more I drive the new engine the more I like it. It's a little torqueier (new word!) I think because of the higher flow oil pump. Since the VCT system is driven by oil pressure, it seems the car is more responsive because of it. It's like how you might fantasize your 4.6 as being in a perfect world, where there is no noise except the noise of a powerful motor. No ticks, clatters, no rattles, no waiting for the car to warm up to get rid of the noises, the transmission is even quieter (I thank Exedy for that) and the acceleration is MUCH smoother. I can't wait to get it on a dyno. I will post again once that happens. I don't anticipate that happening for a couple of months though.
Yes keep us posted. That is how we all gain good fixes and solid MODS.

T Wayne.
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Unread 03-20-2014   #8 (permalink)
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Jasper reman engine review-0320141942d.jpg

Here's pics of the engine bay after my manifold install.
 
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Unread 03-24-2014   #9 (permalink)
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Just went in for my 500 mile service. No issues, still running strong. I drove it out to Forks (yes, home of the insipid Twilight series) and it was a lot of fun. No issues to report at all.
 
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Unread 03-24-2014   #10 (permalink)
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Using the stock cams over the FRPP cams is probably why you feel better low end torque. Cams with more overlap usually sacrifice bottom end torque in favor of more power in the higher RPM ranges.

Glad everything is going great.
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Unread 03-24-2014   #11 (permalink)
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Using the stock cams over the FRPP cams is probably why you feel better low end torque. Cams with more overlap usually sacrifice bottom end torque in favor of more power in the higher RPM ranges.

Glad everything is going great.
I think that is definitely part of it. I didn't have the cams on for long, maybe 3 weeks to a month at most. I think it still has more torque than even before I installed them. That being said, I probably wouldn't get those cams again. Maybe something like Comp NSR 127100 - 127200's or something less lopey that is less of a pain to live with.

I just think the car never really ran correctly because of oil system issues that were present when I bought it that also affected torque.
 
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