HARROP TVS, What You Need To Know & FAQ
05-27-2010, 11:18 PM
#201
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Aight man, well good luck. The 2.8 and smaller feels pretty good. The 2.7 and 2.6 are even better than a 2.8
I'll have to see how the TVS feels when I get it Tues and go from there. I have a feeling I'll be buying 80#'s and a pulley after awhile.
I'll have to see how the TVS feels when I get it Tues and go from there. I have a feeling I'll be buying 80#'s and a pulley after awhile.
06-07-2010, 04:56 PM
#202
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Anyone know what the 'safest' TVS pulley is on a 'stock' longblock. Still running stock springs, head bolts, head gasket, etc, and I'd like to pulley down without popping it.
06-07-2010, 06:07 PM
#204
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Great to know thanks. I am mainly concerned with boost and cylinder pressure on the stock engine however, but I presume that is too highly variable to really know a 'safe' limit
06-08-2010, 06:21 PM
#206
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A lot of it really has to do with KR. What people fail to realize on pump gas is that conditions change daily. Temps change, cyl temps change, etc. Just because one day you don't have any KR, doesn't mean the next you won't. When you start to run high high boost applications this really starts to come into effect. You could probably get away with running a 2.6 tvs with lower amounts of timing. If you planned on doing this though I would highly recommend e85. I have personally ran a 2.7 tvs and e85 and the car was absolutely amazing. My injectors, 80lbers, were maxed at 6grand though. I plan on running 98lb injectors shortly and a 2.6 pulley on the tvs to put down some great hp/tq numbers. The difference between pulley drops and gas to e85 is absolutely amazing =D.
06-08-2010, 06:54 PM
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06-08-2010, 10:30 PM
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06-08-2010, 10:57 PM
#213
06-09-2010, 01:13 AM
#214
since ls4 TB is out of the question, would a ported stocker help?
so which fitting to i weld on the PCV? -10an or -12an?
oh and anybody think itd be worth it to mount like 1-2 of these http://www.jegs.com/i/Derale/259/16307/10002/-1 to this http://zzperformance.com/cobalt_ion/...=895&catid=178 to help keep iat2's down/more constant wether at idle, cruising, or wot?
Last edited by RooTBeeR; 06-09-2010 at 03:32 AM.
06-09-2010, 12:03 PM
#215
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Did you buy a fuel pump rewire or did you make one? I'd like to try and make one since a relay and a few wires doesn't seem worth $35. I'm not sure if I actually need one, but I guess it couldn't hurt...
06-09-2010, 04:58 PM
#216
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exactly...just like boost from one car to another will be diff
since ls4 TB is out of the question, would a ported stocker help?
so which fitting to i weld on the PCV? -10an or -12an?
oh and anybody think itd be worth it to mount like 1-2 of these http://www.jegs.com/i/Derale/259/16307/10002/-1 to this http://zzperformance.com/cobalt_ion/...=895&catid=178 to help keep iat2's down/more constant wether at idle, cruising, or wot?
since ls4 TB is out of the question, would a ported stocker help?
so which fitting to i weld on the PCV? -10an or -12an?
oh and anybody think itd be worth it to mount like 1-2 of these http://www.jegs.com/i/Derale/259/16307/10002/-1 to this http://zzperformance.com/cobalt_ion/...=895&catid=178 to help keep iat2's down/more constant wether at idle, cruising, or wot?
Onlt cost of shipping, $5. I tested for OTTP and took the pics for install directions
Last edited by WickedSS2005; 06-09-2010 at 04:59 PM. Reason: Automerged Doublepost
06-09-2010, 11:25 PM
#217
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^ Good deal. I put together a pump rewire tonight and hopefully I can install it this weekend. Might help at high RPMs to keep a steady flow to the rail. What size fuse are you running on the inline fuse? 20? 25? 30?
06-10-2010, 08:36 AM
#218
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Let me know how that works. I am out of fuel in my car 4th gear at 6300 rpm.
06-10-2010, 09:13 AM
#220
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I didn't say it was 'too much', I said it was 'not worth it', I should have worded it as 'not worth it to me'. I had the parts essentially laying around and the know how to make it, so free > any money. That wasn't a rude comment towards OTTP (especially since other vendors sell the harness for the same amount, and I've been super happy with the stuff I've bought from you). You're also basically the only vendor who ever answers questions. Sean is impeccable with answering PM's, and I believe I've talked to you on the phone before. So don't act like I've insulted you, it's all good. =)
Last edited by csementuh; 06-10-2010 at 09:16 AM. Reason: Automerged Doublepost
06-10-2010, 09:21 AM
#221
I'm not insulted. New price is $29.99 http://www.ottperformance.com/store/...-Kit-9p918.htm
zzp used to sell their kit for $50 before we made one. FYI
zzp used to sell their kit for $50 before we made one. FYI
06-10-2010, 09:39 AM
#222
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I'm not insulted. New price is $29.99 http://www.ottperformance.com/store/...-Kit-9p918.htm
zzp used to sell their kit for $50 before we made one. FYI
zzp used to sell their kit for $50 before we made one. FYI
Those 'other guys' have always given me a problem, and I've bought tons of stuff from them. They hassled me like crazy after a $10 Interceptor 'SS' face I bought got lost in the mail, and it took then a couple of months to send me a new one.
06-10-2010, 09:49 AM
#223
I'm not insulted. New price is $29.99 http://www.ottperformance.com/store/...-Kit-9p918.htm
zzp used to sell their kit for $50 before we made one. FYI
zzp used to sell their kit for $50 before we made one. FYI
06-23-2010, 10:28 AM
#224
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Soo.. How 'safe' is it to run a 2.8" on a TVS on an other wise stock engine? All cooling mods except meth, don't want to run meth... OK with a conservative tune, or is that insta piston & head gasket death? Think I'll be OK so long as I keep an eye on IAT2's and KR?
