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GrimmSpeed Phenolic Thermal Spacer 8mm
Subaru Impreza 1.8L/2.2L 1993-1999
Features & Product Details
RallySport Direct proudly carries quality aftermarket performance enhancements and solutions brought to you by GrimmSpeed.
These are the GrimmSpeed Phenolic Thermal Spacers. These thermal spacers have been designed to absorb the heat that generates between the intake manifold and the engine block. When running the factory gaskets only, the intake manifold can get very hot to the touch, and that unnecessary internal heat gets cycled back through the engine leaving much room for improvement. GrimmSpeed has come up with a great solution by creating a set of phenolic spacers that are available in a variety of thicknesses to absorb that heat to drastically reduce the transfer of heat from the engine block to the intake manifold. The result is a 1% increase in horsepower for every 5 degrees of heat reduction.
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REVIEWS & CUSTOMER MEDIA
Figured I’d throw these on while I was resealing an engine I’m using, to get this car around for body work, before turbo swap! It wasn’t fun haha! If you know where everything goes and have a good memory of every piece, it’s worth the effort. The manifold is cold to the touch even after a longer run down the highway. I used to not be able to touch the manifold after a hard run. I gotta stress to you to be careful when installing the EGR tube back on. It needs to be cut in half (I used a small copper pipe cutter for a super clean cut) then use heater hose to extend. The tube does not thread back in easily. Be very careful not to cross thread. Mine did, even with going in hand tight first. Go slow and take your time. Very nice product. I would recommend. I did uses 2 sets of gaskets as recommended. No leaks.
Installed using no gaskets. Slight bump in low end power and helped smooth out the dead spot in the power curve. Works as advertised.
QUESTIONS & ANSWERS
Q: 1995 Impreza LX 2.2l mtisdeljr3311 year agoUnderstanding that for the early engine, you have to cut the EGR tube to create length, do you have heater hose you can recommend for this install? I.e. sizing, material? Hose clamps required? Thanks!
1 people found the
following answer helpful
A: Honestly I have never dealt with an EGR tube extension, but I would imagine it would be as simple as cutting the stock tube, grabbing some 1/2 heater hose(its .5inch if I remember correctly) and then securing the hose to the metal tube with some basic 1/2 inch clamps. Should be golden :)Rick C. @ RallySport Direct 1 year ago
- 1 of 1 people found the following answer helpful