epoxy throttle body mod

**nathanWS6** · 05-31-2012, 09:36 AM

does anyone have any experience with doing the epoxy mod on the throttle body? some say it's dangerous and not worth the benefit.
guys online are selling this option with the port and polish. any input would be great.
thanks

***SMWS6TA*** · 05-31-2012, 12:16 PM

Epoxy IMHO not worth it.

A good P&P TB will give you very minimal gains but not enough to say yeah that is what gave a 1/10th of my time.

P&P just removes extra material, giving it a slightly better flow over a stock TB.

I can see were using an epoxy could make it smoother but not so much that if the material comes off because of shitty application or the product that is use, is it worth a blown motor.

If more flow volume is needed/wanted step up to a NW or FAST 102 TB's.

**nathanWS6** · 05-31-2012, 12:47 PM

it actually is to fill in the notch where the vaccum lines are and is then re-drilled so there is just 2 holes instead of a big notch in the throttle body throat
here's the link and you can see it in the picks
Ported & Polished LS1 Throttle Body TB 5.3 6.0 | eBay

***SMWS6TA*** · 05-31-2012, 01:35 PM

I see, what I read up on was totally different then the link you posted.

I'm a little skeptic on the HP numbers claimed.

**nathanWS6** · 05-31-2012, 01:55 PM

you can see it though.. looks like a good idea but, like you said skeptical on the numbers or if in would hold and not come loose

**JacobLS1** · 05-31-2012, 05:57 PM

It might be better to just upgrade the tb like posted above. I have a P&P, epoxied TB. If you're not careful you could take too much material away, like the previous owner did, and run into idle/running problems. The epoxy wasn't an issue, it does make sort of a whistle, nothing high pitched but noticeable.

If you do it, just take your time and do it right. Throttle bodies aren't too cheap, let alone an engine rebuild.

**0rion** · 05-31-2012, 06:04 PM

more goes into a p&p than just the epoxy part of it. I would say if you're confident you can do it and use a good epoxy then go for it. Knife edge the blade and shave the back of the shaft while you're in there. Just make sure not to over port the blade area or you'll have idle issues.

**Smittro** · 05-31-2012, 07:17 PM

If you damage the ventury landing area the engine may not even run.

The ventury is the blade, or (butterfly) it depends on it's bore being precise.

Do not change the angle on the top and bottom of the blade,

as this should have a 0.0 tollerance when properly centered/closed in the ventury bore.

Personally I would mill it rather than P&P..

Just my .02

**Smittro** · 05-31-2012, 07:26 PM

Here's a TB I built a while back.

Only a touchup hone on the Ventury bore to true it up.

The rest was milled and polished.

**transamtom** · 06-01-2012, 07:52 AM

I got mine from Photz on ebay,he does good work.

**SuperSSguy** · 11-08-2013, 06:47 PM

Yeah this is an old thread BUT....... Has any members had any more to add?...Im thinking of getting a P&P TB job with or w/o,epoxying from that potz guy from e-bay Anyone have any other suggestions on where to get it done? There was another name of TB sellers or P&P`ers on this site but cant remember name?I dont think im into getting(paying for) a larger TB right now but im getting a proper tune done and want to stick with what i have (a stock TB) for now and i wanted to get the P&P done before the tune???? anyone..........